Burkholderia
Burkholderia pseudomallei
Burkholderia cepacia
Burkholderia cepacia complex
Burkholderia cenocepacia
Melioidosis
Burkholderia gladioli
Comparison of isolation media for recovery of Burkholderia cepacia complex from respiratory secretions of patients with cystic fibrosis. (1/346)
Burkholderia cepacia selective agar (BCSA) has previously been devised for isolation of B. cepacia from respiratory secretions of patients with cystic fibrosis and tested under research laboratory conditions. Here we describe a study in which BCSA, oxidation-fermentation polymyxin bacitracin lactose agar (OFPBL), and Pseudomonas cepacia agar (PCA) were compared in routine culture procedures for the ability to grow B. cepacia and inhibit other organisms. Three hundred twenty-eight specimens from 209 patients at two pediatric centers and 328 specimens from 109 adults were tested. Plates were inoculated, incubated, and read for quality and quantity of growth at 24, 48, and 72 h. Five (1.5%) specimens from 4 (1.9%) children and 75 (22.9%) specimens from 16 (14.7%) adults grew B. cepacia complex. At 24, 48, and 72 h, BCSA achieved 43, 93, and 100% detection, respectively; OFPBL achieved 26, 84, and 96%, respectively; and PCA achieved 33, 74, and 84% detection, respectively. Quality was assessed as pinpoint or good growth. At 24 h, most cultures growing B. cepacia complex had pinpoint colonies. By 48 and 72 h, 48 and 69% of B. cepacia complex cultures, respectively, had good growth on BCSA, while on OFPBL 19 and 30%, respectively, had good growth and on PCA 11 and 18%, respectively, had good growth. BCSA was superior to OFPBL and PCA in suppressing organisms other than B. cepacia complex; 40 non-B. cepacia complex organisms were isolated from BCSA, 263 were isolated from OFPBL, and 116 were isolated from PCA. We conclude that BCSA is superior to OFPBL and PCA in its ability to support the growth of B. cepacia complex and to suppress other respiratory organisms. (+info)Structural elucidation of a novel exopolysaccharide produced by a mucoid clinical isolate of Burkholderia cepacia. Characterization of a trisubstituted glucuronic acid residue in a heptasaccharide repeating unit. (2/346)
The structure of the exopolysaccharide (EPS) produced by a clinical isolate of Burkholderia cepacia isolated from a patient with fibrocystic lung disease has been investigated. By means of methylation analyses, carboxyl reduction, partial depolymerization by fuming HCl and chemical degradations such as Smith degradation, lithiumethylenediamine degradation and beta-elimination, supported by GC/MS and NMR spectroscopic analyses, the repeat unit of the EPS has been identified and was shown to correspond to the acidic branched heptasaccharide with the following structure: [formula: see text]. This partially acetylated acidic polymer, distinguished by the presence of the less usual D-isomer of rhamnose and of a trisubstituted glucuronic acid residue, could represent the main EPS produced by this bacterial species. (+info)An epidemic of burkholderia cepacia transmitted between patients with and without cystic fibrosis. (3/346)
Burkholderia cepacia is an important pathogen in cystic fibrosis (CF) and an infrequent cause of nosocomial infection in non-CF patients. This report describes a large hospital outbreak that appeared to involve both patient groups, a previously unrecognized phenomenon. Ribotype restriction fragment length polymorphism (RFLP) profiles and pulsed-field gel electrophoresis-resolved macrochromosomal RFLPs were analyzed, a ribotype-based phylogenic tree was constructed, and case-control and cohort studies were performed. A single dominant clone was found in both CF and non-CF groups. Phylogenic analysis suggests that it has evolved independently and that such highly transmissible strains can emerge rapidly and randomly. Acquisition risk in the CF patients was linked to hospitalization (odds ratio=5.47, P=.0158, confidence interval=1. 28-26.86) and was associated with significantly increased mortality rates. Infection control policies must now consider this threat of transmission between non-CF and CF patients. (+info)Identification of Burkholderia spp. in the clinical microbiology laboratory: comparison of conventional and molecular methods. (4/346)
Cystic fibrosis (CF) predisposes patients to bacterial colonization and infection of the lower airways. Several species belonging to the genus Burkholderia are potential CF-related pathogens, but microbiological identification may be complicated. This situation is not in the least due to the poorly defined taxonomic status of these bacteria, and further validation of the available diagnostic assays is required. A total of 114 geographically diverse bacterial isolates, previously identified in reference laboratories as Burkholderia cepacia (n = 51), B. gladioli (n = 14), Ralstonia pickettii (n = 6), B. multivorans (n = 2), Stenotrophomonas maltophilia (n = 3), and Pseudomonas aeruginosa (n = 11), were collected from environmental, clinical, and reference sources. In addition, 27 clinical isolates putatively identified as Burkholderia spp. were recovered from the sputum of Dutch CF patients. All isolates were used to evaluate the accuracy of two selective growth media, four systems for biochemical identification (API 20NE, Vitek GNI, Vitek NFC, and MicroScan), and three different PCR-based assays. The PCR assays amplify different parts of the ribosomal DNA operon, either alone or in combination with cleavage by various restriction enzymes (PCR-restriction fragment length polymorphism [RFLP] analysis). The best system for the biochemical identification of B. cepacia appeared to be the API 20NE test. None of the biochemical assays successfully grouped the B. gladioli strains. The PCR-RFLP method appeared to be the optimal method for accurate nucleic acid-mediated identification of the different Burkholderia spp. With this method, B. gladioli was also reliably classified in a separate group. For the laboratory diagnosis of B. cepacia, we recommend parallel cultures on blood agar medium and selective agar plates. Further identification of colonies with a Burkholderia phenotype should be performed with the API 20NE test. For final confirmation of species identities, PCR amplification of the small-subunit rRNA gene followed by RFLP analysis with various enzymes is recommended. (+info)Differentiation of Burkholderia species by PCR-restriction fragment length polymorphism analysis of the 16S rRNA gene and application to cystic fibrosis isolates. (5/346)
Burkholderia cepacia, which is an important pathogen in cystic fibrosis (CF) owing to the potential severity of the infections and the high transmissibility of some clones, has been recently shown to be a complex of five genomic groups, i.e., genomovars I, II (B. multivorans), III, and IV and B. vietnamiensis. B. gladioli is also involved, though rarely, in CF. Since standard laboratory procedures fail to provide an accurate identification of these organisms, we assessed the ability of restriction fragment length polymorphism (RFLP) analysis of amplified 16S ribosomal DNA (rDNA), with the combination of the patterns obtained with six endonucleases, to differentiate Burkholderia species. This method was applied to 16 type and reference strains of the genus Burkholderia and to 51 presumed B. cepacia clinical isolates, each representative of one clone previously determined by PCR ribotyping. The 12 Burkholderia type strains tested were differentiated, including B. cepacia, B. multivorans, B. vietnamiensis, and B. gladioli, but neither the genomovar I and III reference strains nor the genomovar IV reference strain and B. pyrrociniaT were distinguishable. CF clinical isolates were mainly distributed in RFLP group 2 (which includes B. multivoransT) and RFLP group 1 (which includes B. cepacia genomovar I and III reference strains, as well as nosocomial clinical isolates). Two of the five highly transmissible clones in French CF centers belonged to RFLP group 2, and three belonged to RFLP group 1. The remaining isolates either clustered with other Burkholderia species (B. cepacia genomovar IV or B. pyrrocinia, B. vietnamiensis, and B. gladioli) or harbored unique combinations of patterns. Thus, if further validated by hybridization studies, PCR-RFLP of 16S rDNA could be an interesting identification tool and contribute to a better evaluation of the respective clinical risks associated with each Burkholderia species or genomovar in patients with CF. (+info)Analysis of fliC variation among clinical isolates of Burkholderia cepacia. (6/346)
PCR and restriction fragment length polymorphism (RFLP) typing of flagellin genes (fliC) from 57 clinical isolates of Burkholderia cepacia indicated that only type 11 flagellins were present. Twenty-two isolates previously identified as the epidemic UK cystic fibrosis strain were indistinguishable by this method, as were 11 isolates from a pseudo-outbreak in Senegal. Other clinical isolates, including 19 from disparate sources in Malaysia, were separated into nine fliC RFLP groups, exhibiting a large degree of divergence. When isolates were indistinguishable by fliC genotyping, their similarity was confirmed by whole genome macro-restriction analysis with pulsed-field gel electrophoresis following XbaI digestion. The variation in fliC sequences of B. cepacia was far greater than that with B. pseudomallei, supporting the view that 'B. cepacia', as currently defined, may comprise several different genomic species. (+info)A murine model for infection with Burkholderia cepacia with sustained persistence in the spleen. (7/346)
Burkholderia cepacia is an opportunistic pathogen that causes severe systemic infections in patients with chronic granulomatous disease (CGD) or with cystic fibrosis (CF), but its mechanisms of virulence are poorly understood. We developed a murine model of systemic infection in wild-type (WT) and gamma interferon knockout (GKO) BALB/c mice to facilitate dissection of components of pathogenicity and host defense. Both WT and GKO mice were susceptible to chronic splenic infection with B. cepacia, but not with Pseudomonas aeruginosa. B. cepacia strains from patients with CGD persisted longer than those from CF patients. C57BL/6 mice were the most susceptible murine strain; bacteria persisted in the spleen for 2 months. DBA/2, BALB/c, and A/J strains of mice were relatively resistant to infection. Certain strains of B. cepacia complex can persist in the murine spleen after systemic infection; this may provide clues to its virulence in compromised hosts, such as those with CGD and CF. (+info)Intracellular survival and saprophytic growth of isolates from the Burkholderia cepacia complex in free-living amoebae. (8/346)
Members of the taxonomically diverse Burkholderia cepacia complex have become a major health risk for patients with cystic fibrosis (CF). Although patient-to-patient transmission of B. cepacia strains has been well-documented, very little is known about possible vehicles of transmission and reservoirs for these micro-organisms. In this work, it is shown that strains of the B. cepacia complex can survive within different isolates of the genus Acanthamoeba. Trophozoites containing bacteria developed profuse cytoplasmic vacuolization. Vacuolization was not detected in trophozoites infected with live Escherichia coli or heat-killed B. cepacia, or by incubation of trophozoites with filter-sterilized culture supernatants, indicating that metabolically active intracellular bacteria are required for the formation of vacuoles. Experiments with two different B. cepacia strains and two different Acanthamoeba isolates revealed that bacteria display a low level of intracellular replication approximately 72-96 h following infection. In contrast, extracellular bacteria multiplied efficiently on by-products released by amoebae. The findings suggest that amoebae may be a reservoir for B. cepacia and possibly a vehicle for transmission of this opportunistic pathogen among CF patients. (+info)Burkholderia infections are caused by bacteria belonging to the Burkholderia genus, which includes several species that can cause various types of infection in humans. The most well-known and medically significant species include Burkholderia cepacia complex (Bcc), Burkholderia pseudomallei, and Burkholderia mallei.
1. Burkholderia cepacia Complex (Bcc): These are a group of closely related bacteria that can be found in various environments such as soil, water, and plants. They can cause respiratory infections, particularly in people with weakened immune systems or chronic lung diseases like cystic fibrosis. Bcc infections can be difficult to treat due to their resistance to many antibiotics.
2. Burkholderia pseudomallei: This species is the causative agent of melioidosis, a potentially severe and life-threatening infection endemic in tropical and subtropical regions, particularly in Southeast Asia and northern Australia. The bacteria can be found in contaminated water and soil, and people can get infected through direct contact with contaminated sources, ingestion, or inhalation of the bacteria. Melioidosis symptoms may vary widely, from mild flu-like illness to severe pneumonia, abscesses, and sepsis.
3. Burkholderia mallei: This species is responsible for glanders, a rare but serious disease primarily affecting horses, donkeys, and mules. Human infections are usually associated with occupational exposure to infected animals or their secretions. Glanders can cause severe symptoms such as fever, pneumonia, sepsis, and skin ulcers.
Treatment of Burkholderia infections typically involves the use of specific antibiotics, often in combination therapy, depending on the species and severity of infection. In some cases, surgical intervention may be necessary to drain abscesses or remove infected tissues. Preventive measures include avoiding contact with contaminated sources, practicing good hygiene, and using appropriate personal protective equipment when handling animals or working in high-risk environments.
Burkholderia is a genus of gram-negative, rod-shaped bacteria that are widely distributed in the environment, including soil, water, and associated with plants. Some species of Burkholderia are opportunistic pathogens, meaning they can cause infection in individuals with weakened immune systems or underlying medical conditions.
One of the most well-known species of Burkholderia is B. cepacia, which can cause respiratory infections in people with cystic fibrosis and chronic granulomatous disease. Other notable species include B. pseudomallei, the causative agent of melioidosis, a potentially serious infection that primarily affects the respiratory system; and B. mallei, which causes glanders, a rare but severe disease that can affect humans and animals.
Burkholderia species are known for their resistance to many antibiotics, making them difficult to treat in some cases. Proper identification of the specific Burkholderia species involved in an infection is important for determining the most appropriate treatment approach.
'Burkholderia pseudomallei' is a Gram-negative, aerobic, motile, rod-shaped bacterium that is the causative agent of melioidosis. It is found in soil and water in tropical and subtropical regions, particularly in Southeast Asia and northern Australia. The bacterium can infect humans and animals through inhalation, ingestion, or direct contact with contaminated soil or water. Melioidosis can cause a wide range of symptoms, including pneumonia, sepsis, and abscesses in various organs. It is a serious and potentially fatal disease, especially in people with underlying medical conditions such as diabetes, kidney disease, or compromised immune systems. Proper diagnosis and treatment with appropriate antibiotics are essential for managing melioidosis.
Burkholderia cepacia is a gram-negative, motile bacillus that is commonly found in the environment, particularly in water and soil. It is a conditional pathogen, meaning it can cause infection in individuals with weakened immune systems or underlying lung conditions such as cystic fibrosis.
Infections caused by B. cepacia can be difficult to treat due to its resistance to many antibiotics. The bacteria can colonize the lungs and cause a chronic respiratory infection that can lead to decline in lung function, increased frequency of exacerbations, and even death in some cases. It is also associated with outbreaks in healthcare settings, particularly in patients receiving respiratory therapy or using contaminated medical equipment.
It's important to note that B. cepacia is not typically considered a community-acquired pathogen and is not commonly associated with typical pneumonia or other respiratory infections in healthy individuals.
The Burkholderia cepacia complex (Bcc) is a group of closely related bacterial species that are gram-negative, motile, and aerobic. These bacteria are commonly found in various environments such as soil, water, and vegetation. The Bcc organisms are known to be opportunistic pathogens, meaning they primarily cause infections in individuals with compromised immune systems or underlying lung conditions, such as cystic fibrosis (CF) patients.
Bcc infections can lead to a range of clinical manifestations, including pneumonia, bacteremia, and chronic lung colonization. The bacteria are particularly notorious for their high level of antibiotic resistance and their ability to form biofilms, making them difficult to eradicate from the lungs of CF patients. Accurate identification of Bcc species is essential for appropriate treatment and infection control measures.
Burkholderia cenocepacia is a species of gram-negative, motile bacteria that belongs to the family Burkholderiaceae. These bacteria are commonly found in various environments such as soil, water, and plant roots. They are known to form biofilms and can survive under a wide range of conditions, making them difficult to eradicate.
B. cenocepacia is an opportunistic pathogen that can cause serious respiratory infections in individuals with weakened immune systems, particularly those with cystic fibrosis (CF). In CF patients, B. cenocepacia infections can lead to a rapid decline in lung function and are associated with high mortality rates. The bacteria can also cause other types of infections such as bacteremia, wound infections, and urinary tract infections.
B. cenocepacia is resistant to many antibiotics, which makes treatment challenging. Infection control measures, such as contact isolation and rigorous environmental cleaning, are crucial in preventing the spread of B. cenocepacia in healthcare settings.
Melioidosis is a bacterial infection caused by the soil-dwelling gram-negative bacillus, Burkholderia pseudomallei. The disease primarily occurs in tropical areas such as Southeast Asia and northern Australia. It can present with a wide range of clinical manifestations including acute septicemia, pneumonia, and chronic suppurative infection. Risk factors for melioidosis include diabetes mellitus, renal disease, alcoholism, and lung disease. The diagnosis is confirmed by culturing B. pseudomallei from clinical specimens such as blood, sputum, or pus. Treatment typically involves a prolonged course of antibiotics, including intravenous ceftazidime followed by oral trimethoprim-sulfamethoxazole.
'Burkholderia gladioli' is a gram-negative, rod-shaped bacterium that belongs to the Burkholderia cepacia complex (Bcc). This complex includes several closely related species that can cause respiratory infections, particularly in people with weakened immune systems or chronic lung diseases such as cystic fibrosis.
'Burkholderia gladioli' is commonly found in the environment, including soil and water. It has been isolated from a variety of plants, including onions, gladiolus, and other flowers. While it can cause serious infections in humans, it is also being studied for its potential use in bioremediation and as a source of novel antibiotics.
Infections caused by 'Burkholderia gladioli' can be difficult to treat due to the bacterium's resistance to many commonly used antibiotics. Treatment typically involves the use of multiple antibiotics and close monitoring of the patient's response to therapy.
Glanders is a rare and serious disease caused by the bacterium Burkholderia mallei. It primarily affects horses, donkeys, and mules, but can also infect humans who come into contact with infected animals or contaminated materials. The disease is characterized by the formation of multiple abscesses in various organs, particularly the lungs, liver, spleen, and skin. In humans, glanders can cause fever, cough, chest pain, muscle aches, and pustules on the skin. It is a highly infectious disease and can be fatal if not treated promptly with appropriate antibiotics. Historically, it has been a concern in military settings due to its potential use as a biological weapon.
Burkholderia mallei
Glanders
Burkholderia pseudomallei
Burkholderia thailandensis
Burkholderia gladioli
Burkholderia cepacia complex
Caspase 6
Innate immune system
Cystic fibrosis
Bed Head
Melioidosis
Sharon Peacock
Immune system
Paraburkholderia
Riftia pachyptila
Bacterial morphological plasticity
Streptomycin
Ornibactin
List of MeSH codes (C01)
Burkholderia
HLA-DR16
Human herpesvirus 6
Recrudescence
Burkholderia cenocepacia
Emergency management
Burkholderia contaminans
Osteomyelitis
Superoxide dismutase
Product recall
Steven L. Peck
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Plus it
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Melioidosis15
- Infection with the gram-negative bacterium Burkholderia pseudomallei can result in a life-threatening disease known as melioidosis. (health.mil)
- Historically, melioidosis was a common infection in military forces serving in Southeast Asia, and it has the potential to have a serious impact on force health readiness. (health.mil)
- Melioidosis is a potentially life threatening disease caused by the gram-negative bacterium Burkholderia pseudomallei . (health.mil)
- Burkholderia pseudomallei, the causative agent of melioidosis, is a gram-negative bacterium capable of causing either acute lethal sepsis or chronic but eventually fatal disease in infected individuals. (tropmedres.ac)
- BurkHostGEN: a study protocol for evaluating variations in the Burkholderia pseudomallei and host genomes associated with melioidosis infection. (ox.ac.uk)
- BACKGROUND: Melioidosis is a frequently fatal disease caused by an environmental bacterium Burkholderia pseudomallei. (ox.ac.uk)
- CONCLUSIONS: BurkHostGEN holds the potential to discover bacterial and host genetic factors associated with melioidosis infection and severity of illness. (ox.ac.uk)
- Melioidosis is a frequently fatal infectious disease caused by the soil dwelling Gram-negative bacterium Burkholderia pseudomallei . (plos.org)
- Melioidosis is a severe infection caused by the environmental bacterium Burkholderia pseudomallei . (plos.org)
- The Gram-negative bacterium Burkholderia pseudomallei is the cause of melioidosis and a category B select agent. (plos.org)
- Three cases of infection caused by these bacteria, which can lead to the potentially fatal melioidosis if left untreated, have been confirmed by the CDC. (latintimes.com)
- InMAD is currently being utilized to identify candidate diagnostic antigens secreted during infection with Burkholderia pseudomallei (melioidosis), Aspergillus fumigatus (invasive aspergillosis) and Francisella tularensis (tularemia). (unr.edu)
- Melioidosis, also called Whitmore's Disease, is a rare infectious disease caused by the bacterium Burkholderia pseudomallei. (hastingsfirm.com)
- Sarah Gregory] Explain to us how this bacterium is related to Burkholderia pseudomallei , which is the cause of melioidosis. (cdc.gov)
- Melioidosis is an infectious disease caused by the bacteria Burkholderia pseudomallei . (cdc.gov)
Bacteria20
- Despite the identification of hundreds of bacterial sRNAs, their roles on bacterial physiology and virulence remain largely unknown, as is the case of bacteria of the Burkholderia cepacia complex (Bcc). (scite.ai)
- The agency confirmed the product had been contaminated with Burkholderia cepacia , a bacteria linked to an outbreak in five states. (cdc.gov)
- Examples of bacteria that cause infections include Streptococcus , Staphylococcus , and E. coli . (medlineplus.gov)
- Non-symbiotic bacteria, such as Bacillus subtilis and Burkholderia insecticola , cannot establish infection and symbiosis with P. stali 10 . (nature.com)
- Depending on PAMP/DAMP nature and localization, autophagy can selectively capture bacteria, such event is called xenophagy, damaged organelles, and other signaling platforms activated during the infection ( 4 , 5 ). (frontiersin.org)
- The Centers for Disease Control and Prevention (CDC) has declared Burkholderia pseudomallei, a highly dangerous bacteria with a global fatality rate of approximately 50 percent, as endemic on the U.S. Gulf Coast. (latintimes.com)
- However, it is important to note that many individuals infected with the bacteria may not show symptoms and instead develop antibodies against it, indicating a likely higher number of infections, New York Post reported. (latintimes.com)
- Known as Burkholderia cepacia , the bacteria was first detected in the facility three years ago, when a sample from a routine test of a patient came back positive. (bostonglobe.com)
- Burkholderia is commonly found in water and soil, and like many bacteria, it generally poses little medical risk to healthy individuals. (bostonglobe.com)
- We partnered with DPH and CDC to ensure patients who could potentially be vulnerable to Burkholderia were not transferred to Franciscan Children's, and that all patients transferred from Franciscan to other hospitals are first tested to prevent the spread of the bacteria," O'Brien said. (bostonglobe.com)
- Dr. Daniel Kuritzkes, chief of the division of infectious diseases at Brigham and Women's, said providers occasionally encounter Burkholderia through routine testing of patients, but generally hold off treating them with antibiotics until there are symptoms indicating an infection, to prevent the bacteria from further developing resistance to antibiotics. (bostonglobe.com)
- Infective Endocarditis Infective endocarditis is infection of the endocardium, usually with bacteria (commonly, streptococci or staphylococci) or fungi. (msdmanuals.com)
- Direct infection (eg, from empyema, subphrenic or mediastinal abscess) rather than hematogenous seeding is possible with certain pyogenic bacteria (eg, Staphylococcus aureus ). (msdmanuals.com)
- Klebsiella , Enterobacter , and Serratia Infections The gram-negative bacteria Klebsiella , Enterobacter , and Serratia are closely related normal intestinal flora that rarely cause disease in normal hosts. (msdmanuals.com)
- Tetracyclines are used principally in the treatment of infections caused by susceptible Rickettsia, Chlamydia, Mycoplasma, and a variety of uncommon gram-negative and gram-positive bacteria. (antiinfectivemeds.com)
- Because of the development of resistance, tetracyclines are rarely used for the treatment of infections caused by common gram-negative or gram-positive bacteria unless other appropriate anti-infectives are contraindicated or are ineffective and in vitro susceptibility tests indicate that the causative organisms are susceptible to the drugs. (antiinfectivemeds.com)
- MerLion Pharmaceuticals is addressing one of the most pressing problems in today's medicine: the need for novel and efficient anti-infectives to combat bacterial infections and amongst those in particular infectious diseases caused by antibiotic-resistant bacteria. (merlionpharma.com)
- Contaminated Eye Drops Sold at Walmart & Amazon Have Led to Reports of Infection, Loss of Vision, and Death In January of 2023, there was an outbreak of a bacteria known as Pseudomonas aeruginosa. (hastingsfirm.com)
- Five rhesus macaque monkeys at the Tulane National Primate Research Center near New Orleans have displayed possible infection from Burkholderia pseudomallei bacteria after it was somehow released from the research facility. (mysafetysign.com)
- To paraphrase the conclusion of Mallory's autopsy report: phage therapy is ideal to treat bacterial infections because phages are very specific and only kill the target bacteria, so they aren't dangerous or toxic. (cdc.gov)
Pseudomonas7
- Burkholderia mallei was first called "Bacillus mallei" and was in the genus Pseudomonas until the early 1990s. (wikipedia.org)
- Prof. Boyton has specialist clinical expertise in lung infection (including Streptococcus pneumoniae, Haemophilus influenzae, Pseudomonas aeruginosa, non-tuberculous mycobacteria (NTM), Aspergillus fumigatus ), bronchiectasis and host immunity to infection. (imperial.ac.uk)
- Four separate categories of chronic Pseudomonas aeruginosa ( Pa ) infection in children with cystic fibrosis (CF) have been previously defined, based on airway cultures taken over the previous year. (ersjournals.com)
- In cystic fibrosis (CF), Pseudomonas aeruginosa ( Pa ) is the most important lung pathogen causing progressive lung infection and shortened survival 1 . (ersjournals.com)
- BACKGROUND--Burkholderia (Pseudomonas) cepacia is an increasingly important pathogen in patients with cystic fibrosis but it is unclear how it spreads from patient to patient. (whiterose.ac.uk)
- Burkholderia pseudomallei, formerly known as Pseudomonas pseudomallei, is a Gram-negative bacterium. (hastingsfirm.com)
- Background Infection with Burkholderia cepacia complex ( Bcc ) results in a heterogeneous clinical course ranging from asymptomatic colonization of the airways to fulminant respiratory failure in patients with cystic fibrosis (CF). Early eradication of Pseudomonas aeruginosa improves clinical outcomes. (medscape.com)
Cenocepacia2
Cystic10
- To determine risk factors for acquiring Burkholderia cepacia complex among patients with cystic fibrosis (CF). (nih.gov)
- Bcc is a group of opportunistic pathogens with relatively large genomes that can cause lethal lung infections amongst cystic fibrosis (CF) patients. (scite.ai)
- The prevalence, epidemiology, and genomovar status of Burkholderia cepacia complex strains recovered from Italian cystic fibrosis (CF) patients were investigated using genetic typing and species identification methods. (unict.it)
- Transplantation of patients with underlying cystic fibrosis (CF), whose native airways and sinuses are chronically infected with virulent bacterial pathogens, initially raised unique concerns about the potential excessive risk of postoperative infections. (ersjournals.com)
- Infection with Burkholderia cepacia due to social contact is well described in patients with cystic fibrosis. (bmj.com)
- Burkholderia cepacia is a well recognised pathogen in patients with cystic fibrosis, immunocompromised patients, and those undergoing mechanical ventilation. (bmj.com)
- DOI 10.1258/jrsm.2008.s18012)we see some very strong evidence indicating that colloidal silver may turn out to be a successful treatment for the debilitating chronic lung infections associated with Cystic Fibrosis (CF). (selfgrowth.com)
- Moreover, Burkholderia is often resistant to common antibiotics, so can be problematic for patients with cystic fibrosis - whose lungs accumulate thick mucus that the body can't readily clear - and lung transplant recipients. (bostonglobe.com)
- The two wanted to meet even though people with cystic fibrosis can easily share dangerous lung infections. (cnn.com)
- Cystic fibrosis patients shouldn't be near each other because they can share infections that could cripple their already fragile lungs. (cnn.com)
Bacterium Burkholderia pseudomallei1
- The lung infection is caused by the soil-dwelling bacterium Burkholderia pseudomallei . (npr.org)
Bacterial Infections5
- Bacterial infections of the lower respiratory tract comprise the majority of infectious complications and have a bimodal temporal distribution. (ersjournals.com)
- Autophagy is a well-conserved lysosomal degradation pathway that plays key roles in bacterial infections. (frontiersin.org)
- Here, we review the many functions of autophagy in bacterial infections with a focus on macrophages, the first line of host defenses, and the replicative niche of numerous pathogens. (frontiersin.org)
- We are focused on the development of novel antibiotics to combat the evolving threat of bacterial infections in humans and animals. (merlionpharma.com)
- In January of 2023 the CDC issued a warning regarding EzriCare Artificial Tears lubricating eye drops, which have been linked to several serious bacterial infections across the United States. (hastingsfirm.com)
Outbreak of Burkholderia2
- Characteristics and outcome predictors of patients involved in an outbreak of Burkholderia cepacia complex. (medscape.com)
- Outbreak of Burkholderia cepacia complex among ventilated pediatric patients linked to hospital sinks. (medscape.com)
Gram-negative bacillus found1
- Burkholderia cepacia is an aerobic gram-negative bacillus found in various aquatic environments. (medscape.com)
Causative agent1
- Burkholderia cepacia is the causative agent of Burkholderia infections. (industryarc.com)
Cepacia infections2
- Signs and symptoms of B cepacia infections are related to the organ system involved and are indistinguishable from infections with other pathogens. (medscape.com)
- We previously identified a highly immunoreactive epitope from the peptidoglycan-associated lipoprotein (Pal) antigen from Burkholderia pseudomallei, which could also diagnose Burkholderia cepacia infections. (unimi.it)
Abstract1
- ABSTRACT Central-line-associated bloodstream infection (CLABSI) is one of the most important problems in intensive care units (ICUs) worldwide. (who.int)
Bacteremia1
- Clinical characteristics and outcomes of patients with Burkholderia cepacia bacteremia in an intensive care unit. (medscape.com)
Chronic13
- We describe here a murine model of either acute or chronic infection with B. pseudomallei in Taylor Outbred (TO) mice which mimics many features of the human pathology. (tropmedres.ac)
- In contrast, at lower doses mice were able to clear the inoculum from the liver and spleen over a 3- to 4-week period, but persistence of the organism at other sites resulted in a chronic infection of between 2 and 16 months duration which was eventually lethal in all of the animals tested. (tropmedres.ac)
- The rapid production of IFN-gamma within the first day of infection determines whether the infection proceeds to an acute lethal outcome or becomes chronic. (tropmedres.ac)
- The Burkholderia Infections Market is predicted to increase owing to the growing prevalence of chronic lung diseases across the world fuelling the growth of the Burkholderia Infections Market. (industryarc.com)
- The first definition for chronic Pa infection in CF was introduced at the Danish CF centre in 1974. (ersjournals.com)
- This was based on monthly microbiological examination of sputum, defining chronic infection as the continuous presence of Pa in sputum for 6 months, whereas presence for shorter periods of time was defined as intermittent infection 2 . (ersjournals.com)
- This definition was subsequently modified by including the antibody response to Pa so that chronic infection required presence of Pa in the lower airway for ≤6 months if the antibody response to Pa was significantly increased 3 . (ersjournals.com)
- Since most CF centres do not see the patients monthly and do not have access to regular Pa antibody measurement, the European consensus definition for chronic Pa infection is more commonly used, i.e. at least three positive cultures over ≥6 months with at least a 1-month interval between the samples 4 . (ersjournals.com)
- Chronic Pa infection in CF is usually preceded by a stage of intermittent infection 5 , and the early detection of Pa followed by intensive treatment can delay chronic infection 6 . (ersjournals.com)
- Therefore, the level of antibody against Pa may distinguish between chronic and intermittent infection. (ersjournals.com)
- 7 (further referred to as the Leeds criteria) for chronic Pa infection in the paediatric, as well as adult, CF population at the Leuven clinic (Belgium). (ersjournals.com)
- In one limited study in patients with confirmed C. burnetti infection and chronic endocarditis, a regimen of doxycycline and hydroxychloroquine was associated with a lower relapse rate than a regimen of doxycycline and ofloxacin. (antiinfectivemeds.com)
- We conducted a retrospective cohort analysis of clinical outcomes compared to patients with chronic Bcc infection. (medscape.com)
Strains2
- Most Burkholderia pseudomallei strains will readily kill mice, whereas B. thailandensis strains do not. (cdc.gov)
- But one of the things that we found in our study is that the Burkholderia thailandensis strains that we do know about from the United States are very diverse--that is, when you compare them, they have a lot of differences in their DNA. (cdc.gov)
Bloodstream infections2
- Patients have developed Bcc infections, including bloodstream infections, after likely having undergone ultrasound-guided procedures in which MediChoice ® M500812 ultrasound gel was used. (cdc.gov)
- At least 48 of these cases are bloodstream infections, and many had undergone ultrasound-guided procedures prior to their infections. (cdc.gov)
20161
- On August 9, 2016, FDA issued a statement alerting healthcare professionals and consumers of a voluntary nationwide recall of all liquid products manufactured by PharmaTech and distributed by the following companies: Rugby, Major, Bayshore, Metron, Centurion, and Virtus, due to possible Burkholderia cepacia contamination. (cdc.gov)
Urinary Tract Infe2
- Because of its low renal clearance, doxycycline may not be as effective as other currently available tetracyclines for the treatment of urinary tract infections in patients with normal or impaired renal function. (antiinfectivemeds.com)
- Finafloxacin has successfully completed a phase II trial for complicated urinary tract infections (cUTIs) including pyelonephritis, using both oral and intravenous routes of administration (tablets and solution for infusion). (merlionpharma.com)
Thailandensis13
- We'll be discussing the detection of Burkholderia thailandensis in the environment in the United States. (cdc.gov)
- Sarah Gregory] What is Burkholderia thailandensis ? (cdc.gov)
- David Wagner] Burkholderia thailandensis is a gram-negative bacterium that lives in the soil and water, and sometimes can be an opportunistic pathogen in humans. (cdc.gov)
- Of all of the Burkholderia species described to date, none are more closely related to Burkholderia pseudomallei than Burkholderia thailandensis . (cdc.gov)
- Of course, there could be more closely related species that just haven't been described yet, but from what we know so far, B. thailandensis is the most closely related organism to Burkholderia pseudomallei . (cdc.gov)
- Sarah Gregory] And how serious is the B. thailandensis infection compared to the B. pseudomallei infection? (cdc.gov)
- David Wagner] Infections with Burkholderia thailandensis are much less serious, both in mice and humans. (cdc.gov)
- So we actually know very little about human infections with Burkholderia thailandensis , but given how common it can be in the environment in some parts of the world, it likely does not cause serious infections in people exposed to it under normal circumstances. (cdc.gov)
- David Wagner] Burkholderia thailandensis is usually found in Southeast Asia and the tropical northern end of Australia. (cdc.gov)
- Most people, including us, do not go out and look for Burkholderia thailandensis on its own, but rather, we find it and isolate it when we're out looking for Burkholderia pseudomallei . (cdc.gov)
- Given that the global distribution of Burkholderia pseudomallei itself is still pretty poorly understood, I'd say that we know almost nothing about the global distribution of Burkholderia thailandensis . (cdc.gov)
- So that suggests that Burkholderia thailandensis has been in the United States for a long time and it has had a lot of time to persist in local locations, hence all the DNA differences among different isolates from different locations in the United States. (cdc.gov)
- Burkholderia thailandensis is what we would call an opportunistic pathogen. (cdc.gov)
Endemic2
- However, despite the clinical importance of this infection in areas where it is endemic, there is essentially no information on the mechanisms of protective immunity to the bacterium. (tropmedres.ac)
- Tetracyclines are used for the treatment of rickettsial infections and are considered drugs of choice for Rocky Mountain spotted fever, epidemic (louse-borne) typhus, Brill-Zinsser disease, endemic (murine) typhus, scrub typhus, Q fever, and rickettsialpox. (antiinfectivemeds.com)
20215
- On August 18, 2021, FDA requested healthcare providers, healthcare facility risk managers, and procurement staff to immediately stop using and discard all ultrasound gels and lotions manufactured by Eco-Med Pharmaceutical, Inc., due to risk of bacterial contamination with Burkholderia cepacia complex. (cdc.gov)
- As of August 18, 2021, CDC is aware of at least 59 patients in 6 states with Burkholderia stabilis infection with a bacterial strain that genetically matches the B. stabilis strain identified in 4 lots of MediChoice M500812 ultrasound gel. (cdc.gov)
- As of August 6, 2021, preliminary testing indicates the presence of Burkholderia stabilis , a member of Bcc, in 4 lots of unopened bottles of MediChoice® M500812 ultrasound gel (Lot # B031, B040, B048, B055). (cdc.gov)
- Geographically, North America held a dominant market share in the year 2021, owing to the increasing awareness about this disease and rising demand for diagnostic tests, driving Burkholderia Infections Market size in this region. (industryarc.com)
- In 2021, an intraoperative periaortic swab sample was confirmed positive for a Burkholderia species, and three of the thirty clinical staff-identified exposures were confirmed laboratory-acquired exposures. (cdc.gov)
Pathogenic1
- In Vitro Antibacterial Activity and In Vivo Efficacy of Sulbactam-Durlobactam against Pathogenic Burkholderia Species. (bvsalud.org)
Opportunistic1
- Burkholderia are opportunistic pathogens. (lu.se)
Pneumonia6
- Although passive transfer of occult infection with the transplanted organ is an additional concern, the presence of organisms on Gram stain of donor bronchial washings is not predictive of subsequent pneumonia in the recipient 4 . (ersjournals.com)
- it typically causes skin infections and sometimes pneumonia, endocarditis, and osteomyelitis. (msdmanuals.com)
- Recently, he was hospitalized in St. Louis with pneumonia and a viral infection. (cnn.com)
- In 1952, Colonel Ogden Bruton noted the absence of immunoglobulins (Ig) in a boy with a history of pneumonia and other bacterial sinopulmonary infections. (medscape.com)
- As Bruton originally described, XLA manifests as pneumonia and other bacterial sinopulmonary infections in 80% of cases. (medscape.com)
- Infections with group B Streptococcus , Listeria monocytogenes, or gram-negative rods (eg, Escherichia coli, Klebsiella pneumoniae ) are common causes of bacterial pneumonia. (medscape.com)
Species1
- We perform comparative analyses of the conformational preferences and diagnostic performances of the corresponding epitopes from the two Burkholderia species when presented in the context of the full-length proteins or as isolated peptides. (unimi.it)
Humans2
Multivorans1
- Here we describe a case of Burkholderia multivorans urinary tract infection in a previously healthy man. (lu.se)
Contamination1
- The purpose of this article is to begin the discussion of the importance of targeting use of skin antiseptic products in hospitalized patients to reduce the likelihood of infection, and also introduce the salient concepts surrounding infection, skin antisepsis, and contamination of antiseptic products. (biomedcentral.com)
Respiratory tract infe1
- Tetracyclines are highly effective in the treatment of most chlamydial infections, including urogenital infections caused by Chlamydia trachomatis, respiratory tract infections caused by C. pneumoniae, respiratory tract infections caused by C. psittaci (psittacosis), and lymphogranuloma venereum caused by invasive serovars of C. trachomatis. (antiinfectivemeds.com)
Healthcare-Associated Infections1
- In this scenario, healthcare-associated infections may occur, leaving the patient at higher risk of mortality and increasing costs of care substantially. (biomedcentral.com)
Soil1
- The primary route of infection with B. pseudomallei is believed to be through skin inoculation of the soil-dwelling bacterium. (health.mil)
Patients13
- Additional laboratory testing of isolates or specimens from patients with reported Bcc infections and of additional lots of MediChoice® M500812 ultrasound gel is currently underway. (cdc.gov)
- A case-control study was conducted with active surveillance for B cepacia complex colonization/infection among patients at 21 CF centers from April 1986 to March 1989 (study period). (nih.gov)
- B cepacia also may cause central venous catheter-related infections in patients with cancer and in those on hemodialysis. (medscape.com)
- Patients with lung diseases such as asthma, CFTR and COPD are at substantial risk of suffering from Burkholderia infection. (industryarc.com)
- In addition to the recalled liquid products manufactured by PharmaTech, CDC and FDA continue to recommend that clinicians and patients not use any brand of liquid docusate sodium product as a stool softener or for any other medical purpose, as some of the infections reported identify docusate sodium products manufactured by other companies other than PharmaTech. (cdc.gov)
- Cryptococcosis is a well-recognised infection in immunocompromised patients, although its prevalence varies with the type of immune defect. (annals.edu.sg)
- An extensive experience accrued to date in transplanting CF patients has generally allayed these concerns, demonstrating arate of bacterial pulmonary infections similar to that encountered in other patient populations 5 . (ersjournals.com)
- 1 Rare cases of acute non-pulmonary B cepacia infection have also been described in immunocompetent patients. (bmj.com)
- Although used in hopes of reducing the likelihood of infection in patients, many products have been identified as the source of infection in several outbreaks, sometimes due to the nonsterile nature of the many readily available antiseptics. (biomedcentral.com)
- Intermittent infection refers to patients with ≤50% of Pa positive cultures. (ersjournals.com)
- In light of the ongoing clusters, the hospital is currently not accepting transfers of patients with lung transplants, who are particularly vulnerable to infection. (bostonglobe.com)
- Burkholderia is known to cause infections in hospitalized patients, including a 2020 cluster at Brigham and Women's Hospital that led to the deaths of three patients in its cardiothoracic intensive care unit. (bostonglobe.com)
- Of 2,390 patients tracked in the report, 28 died as a direct result of their infections. (bostonglobe.com)
Characteristics1
- Identify the growth characteristics of Burkholderia pseudomallei . (cdc.gov)
Antigens1
- In an effort to assess the risk of B. pseudomallei infection to service personnel in Australia, 341 paired samples, representing pre- and post-deployment samples of Marines who trained in Australia, were analyzed for antibodies against B. pseudomallei antigens. (health.mil)
Commonly1
- Trimethoprim & Sulfamethoxazole is a commonly used drugs for the treatment of Burkholderia Infections. (industryarc.com)
Disease3
- However, not all exposure results in disease, and infection can manifest diverse outcomes. (ox.ac.uk)
- Some news reports even claim that there is no medical evidence for the effectiveness of colloidal silver against infections and disease, in spite of all of the published studies which prove such a ludicrous assertion to be untrue. (selfgrowth.com)
- FDA Issues Warning to Consumers Using EzriCare or Delsam Pharma's Artificial Tears The U.S. Food and Drug Administration (FDA) has partnered with the Center for Disease Control (CDC) and state and local health departments after a number of infections were linked to the use of EzriCare or Delsam Pharma's Artificial Tears eye drops. (hastingsfirm.com)
Postoperative2
- Yilmaz T, Celik I, Cihangiroglu M, Yildirim S, Akbulut A. Burkholderia cepacia: An unusual cause of postoperative endophthalmitis. (medscape.com)
- In contrast, the presence of Burkholderia cepacia has been associated with a high risk of severe and often lethal postoperative infections, and consequently, with inferior survival rates. (ersjournals.com)
Possible infection1
- Analysis of pre- and post-deployment serum samples obtained from the Department of Defense Serum Repository identified serological evidence of possible infection with B. pseudomallei in U.S. Marines who trained in Australia during 2012-2014. (health.mil)
Diagnostic2
- However, the lack of proper diagnostic techniques in Low and Middle-Income Countries (LMICs) may limit the Burkholderia Infections Industry growth over the forecast period 2022-2027. (industryarc.com)
- Structure-based epitope prediction drives the design of diagnostic peptidic probes to reveal specific antibodies elicited in response to infections. (unimi.it)
Vaccine1
- correlates of protection in infection and vaccine studies. (imperial.ac.uk)
Severe1
- Thus, XLA is most likely to be diagnosed when unusually severe or recurrent sinopulmonary infections occur in a male infant younger than 1 year. (medscape.com)
Lung diseases1
- The increasing prevalence of lung diseases is anticipated to fuel the growth of the Burkholderia infections industry. (industryarc.com)
Anti-infectives1
- Through mindfully incorporating any antimicrobial agent, sterile or not, into our repertoire of anti-infectives, we can save patient lives, reduce infection, and save costs. (biomedcentral.com)
Selective1
- Environmental samples (hand-basins and bench tops) were collected using liquid amies flocked swabs and cultured on Blood, MacConkey and Burkholderia cepacia selective agar. (cdc.gov)
Antibodies1
- [ 1 ] Such infections that begin in male infants as maternal IgG antibodies, acquired transplacentally, are lost. (medscape.com)
Ceftazidime1
- Washings taken at rigid bronchoscopy, however, grew only Burkholderia cepacia which was intermediately sensitive to ceftazidime and co-trimoxazole but resistant to all other antibiotics tested. (bmj.com)