Burkholderia gladioli
Burkholderia
Burkholderia cepacia
Burkholderia pseudomallei
Iridaceae
Cystic Fibrosis
Burkholderia cepacia complex
DNA, Ribosomal
Burkholderia cenocepacia
RNA, Ribosomal, 16S
Naturally occurring anti-IFN-gamma autoantibody and severe infections with Mycobacterium cheloneae and Burkholderia cocovenenans. (1/13)
Recently various genetic defects in immunity mediated by interferon gamma (IFN-gamma) have been described, including mutations in the IFN-gamma receptor 1 (IFN-gammaR1) and receptor 2 (IFN-gammaR2), signal transducer and activator of transcription 1 (STAT 1), and interleukin 12 receptor beta 1 (IL-12Rbeta1), and IL-12 p40 genes. These mutations are associated with the occurrence of severe infections with intracellular pathogens especially nontuberculous mycobacteria and vaccine-associated bacilli Calmette-Guerin (BCG). Here we report data on a previously healthy adult patient primarily presenting with severe infections with Burkholderia cocovenenans and subsequently Mycobacterium cheloneae. We found a strong inhibitory anti-IFN-gamma activity in the patient's plasma and identified a high-affinity neutralizing anti-IFN-gamma autoantibody. Unfortunately, the patient died due to severe sepsis before we knew the nature of the inhibitory activity. The application of alternative therapeutic approaches such as intravenous immunoglobulin or immunoadsorption may have been beneficial in this case. Screening for neutralizing anti-IFN-gamma autoantibodies should supplement testing for IFN-gamma and IL-12 pathway defects in patients with recurrent infections with intracellular pathogens, especially with nontuberculous mycobacteria. (+info)The general secretory pathway of Burkholderia gladioli pv. agaricicola BG164R is necessary for cavity disease in white button mushrooms. (2/13)
Cavity disease in white button mushrooms is caused by Burkholderia gladioli pv. agaricicola. We describe the isolation and characterization of six mutants of the strain BG164R that no longer cause this disease on mushrooms. The mutations were mapped to genes of the general secretory pathway (GSP). This is the first report of the association of the type II secretion pathway with a disease in mushrooms. Phenotypes of the six avirulent mutants were the following: an inability to degrade mushroom tissue, a highly reduced capacity to secrete chitinase and protease, and a reduced number of flagella. Using these mutants, we also made the novel observation that the factors causing mushroom tissue degradation, thereby leading to the expression of cavity disease, can be separated from mycelium inhibition because avirulent mutants continued to inhibit the growth of actively growing mushroom mycelia. The GSP locus of B. gladioli was subsequently cloned and mapped and compared to the same locus in closely related species, establishing that the genetic organization of the gsp operon of B. gladioli pv. agaricicola is consistent with that of other species of the genus. We also identify the most common indigenous bacterial population present in the mushroom fruit bodies from a New Zealand farm, one of which, Ewingella americana, was found to be an apparent antagonist of B. gladioli pv. agaricicola. While other investigators have reported enhanced disease symptoms due to interactions between endogenous and disease-causing bacteria in other mushroom diseases, to the best of our knowledge this is the first report of an antagonistic effect. (+info)Cell surface expression of bacterial esterase A by Saccharomyces cerevisiae and its enhancement by constitutive activation of the cellular unfolded protein response. (3/13)
Yeast cell surface display is a powerful tool for expression and immobilization of biocatalytically active proteins on a unicellular eukaryote. Here bacterial carboxylesterase EstA from Burkholderia gladioli was covalently anchored into the cell wall of Saccharomyces cerevisiae by in-frame fusion to the endogenous yeast proteins Kre1p, Cwp2p, and Flo1p. When p-nitrophenyl acetate was used as a substrate, the esterase specific activities of yeast expressing the protein fusions were 103 mU mg(-1) protein for Kre1/EstA/Cwp2p and 72 mU mg(-1) protein for Kre1/EstA/Flo1p. In vivo cell wall targeting was confirmed by esterase solubilization after laminarinase treatment and immunofluorescence microscopy. EstA expression resulted in cell wall-associated esterase activities of 2.72 U mg(-1) protein for Kre1/EstA/Cwp2p and 1.27 U mg(-1) protein for Kre1/EstA/Flo1p. Furthermore, esterase display on the yeast cell surface enabled the cells to effectively grow on the esterase-dependent carbon source glycerol triacetate (Triacetin). In the case of Kre1/EstA/Flo1p, in vivo maturation within the yeast secretory pathway and final incorporation into the wall were further enhanced when there was constitutive activation of the unfolded protein response pathway. Our results demonstrate that esterase cell surface display in yeast, which, as shown here, is remarkably more effective than EstA surface display in Escherichia coli, can be further optimized by activating the protein folding machinery in the eukaryotic secretion pathway. (+info)Burkholderia gladioli: five year experience in a cystic fibrosis and lung transplantation center. (4/13)
BACKGROUND: The impact of infection with Burkholderia gladioli in cystic fibrosis, other chronic airway diseases and immunosuppressed patients is unknown. METHODS: A six-year retrospective review of all patients with B. gladioli infection was performed in a tertiary referral center with cystic fibrosis and lung transplantation programs. In addition, a targeted survey of all 251 lung transplant recipients was performed. Available B. gladioli isolates were analyzed via pulsed field gel electrophoresis. RESULTS: Thirty-five patients were culture positive for B. gladioli, including 33 CF patients. No bacteremia was identified. Isolates were available in 18 patients and all were genetically distinct. Two-thirds of these isolates were susceptible to usual anti-pseudomonal antibiotics. After acquisition, only 40% of CF patients were chronically infected (> or =2 positive cultures separated by at least 6 months). Chronic infection was associated with resistance to > or =2 antibiotic groups on initial culture and failure of eradication after antibiotic therapy. The impact of acquisition of B. gladioli infection in chronic infection was variable. Three CF patients with chronic infection underwent lung transplantation. One post-transplant patient developed a B. gladioli mediastinal abscess, which was treated successfully. CONCLUSIONS: The majority of patients' culture positive for B. gladioli at our center have CF. B. gladioli infection is often transient and is compatible with satisfactory post-lung transplantation outcomes. (+info)Two cases of keratitis and corneal ulcers caused by Burkholderia gladioli. (5/13)
(+info)Rhizobacterial exopolysaccharides elicit induced resistance on cucumber. (6/13)
The role of exopolysaccharides (EPSs) from a plant growth-promoting rhizobacterium, Burkholderia gladioli IN26, on elicitation of induced systemic resistance was investigated. A purified EPS induced expression of PR- 1a::GUS on tobacco and elicited induced resistance against Colletotrichum orbiculare on cucumber. The maximum level of disease protection was noted when seeds were soaked in 200 ppm of the EPS. Our results indicate that EPS from specific rhizobacteria can elicit induced resistance and suggest that bacterial EPS might be a useful elicitor of resistance under field conditions. (+info)Microbiological and epidemiological features of clinical respiratory isolates of Burkholderia gladioli. (7/13)
(+info)Entry of Burkholderia organisms into respiratory epithelium: CFTR, microfilament and microtubule dependence. (8/13)
(+info)Burkholderia gladioli is a gram-negative, aerobic, non-spore-forming bacterium that belongs to the Burkholderiaceae family. It is a common soil bacterium and can also be found in water and plants. In the medical field, B. gladioli is known to cause a variety of infections in humans, including pneumonia, skin and soft tissue infections, and bloodstream infections. It is also an important pathogen in animals, particularly in birds and reptiles. B. gladioli is resistant to many antibiotics, making it difficult to treat infections caused by this bacterium.
Burkholderia is a genus of Gram-negative bacteria that are commonly found in soil and water. Some species of Burkholderia can cause infections in humans, particularly in people with weakened immune systems. These infections can be serious and may be difficult to treat, as some species of Burkholderia are resistant to antibiotics. In the medical field, Burkholderia infections are typically diagnosed through laboratory testing, such as cultures and susceptibility testing. Treatment may involve a combination of antibiotics and supportive care.
Burkholderia infections are a group of bacterial infections caused by members of the Burkholderia genus. These bacteria are gram-negative, aerobic rods that are commonly found in soil and water. They can cause a variety of infections in humans, including pneumonia, meningitis, and skin infections. Some species of Burkholderia are also known to cause chronic infections in people with weakened immune systems, such as those with cystic fibrosis or HIV/AIDS. Treatment for Burkholderia infections typically involves antibiotics, although some strains of the bacteria are resistant to certain antibiotics.
Burkholderia cepacia is a gram-negative, aerobic, non-spore-forming bacterium that is commonly found in soil and water. In the medical field, it is known to cause serious infections in people with weakened immune systems, particularly those with cystic fibrosis or other chronic lung diseases. Burkholderia cepacia infections can be difficult to treat because the bacteria are resistant to many antibiotics. Symptoms of infection may include fever, cough, shortness of breath, and fatigue. In severe cases, the infection can spread to other parts of the body and cause life-threatening complications. People with cystic fibrosis are at particular risk of developing Burkholderia cepacia infections because the bacteria can colonize the lungs and become difficult to eradicate. Infection with Burkholderia cepacia is a major concern for people with cystic fibrosis because it can lead to a decline in lung function and an increased risk of death.
Burkholderia pseudomallei is a Gram-negative, aerobic, non-spore-forming bacterium that is the causative agent of melioidosis, a severe infectious disease that is found in Southeast Asia and northern Australia. The bacterium is commonly found in soil and water, particularly in areas with high rainfall and humidity. Melioidosis can cause a wide range of symptoms, including fever, chills, cough, and skin ulcers, and can be fatal if left untreated. Treatment typically involves antibiotics, such as ceftazidime or meropenem.
Cystic Fibrosis (CF) is a genetic disorder that affects the respiratory, digestive, and reproductive systems. It is caused by mutations in the CFTR gene, which codes for a protein that regulates the movement of salt and water in and out of cells. In people with CF, the protein is not functioning properly, leading to the production of thick, sticky mucus in the lungs, pancreas, and other organs. The thick mucus can cause blockages in the airways, leading to chronic lung infections and damage to the lungs over time. It can also affect the pancreas, making it difficult to produce digestive enzymes and leading to malnutrition. In the reproductive system, it can cause infertility in both men and women. CF is a lifelong condition that requires ongoing medical care and management. Treatment typically involves medications to thin the mucus, antibiotics to treat infections, and physical therapy to improve lung function. With proper care, people with CF can lead long and relatively healthy lives, although the condition can still be challenging and require significant lifestyle adjustments.
The Burkholderia cepacia complex (Bcc) is a group of closely related Gram-negative bacteria that are commonly found in soil and water. In the medical field, Bcc is known for causing serious infections in people with weakened immune systems, particularly those with cystic fibrosis (CF) or other chronic lung diseases. Bcc infections can be difficult to diagnose and treat because the bacteria are resistant to many antibiotics. They can cause a range of symptoms, including coughing, fever, and difficulty breathing. In severe cases, Bcc infections can lead to lung damage and even death. People with CF are at particular risk of developing Bcc infections because the bacteria can thrive in the moist, warm environment of the lungs. In addition, CF patients often have weakened immune systems, making it easier for Bcc to cause an infection. Treatment for Bcc infections typically involves a combination of antibiotics and other supportive therapies, such as chest physiotherapy and oxygen therapy. In some cases, surgery may be necessary to remove infected tissue. It is important for people with CF and other chronic lung diseases to take steps to prevent Bcc infections, such as avoiding exposure to soil and water and practicing good hygiene.
DNA, ribosomal, refers to the specific type of DNA found within ribosomes, which are the cellular structures responsible for protein synthesis. Ribosomal DNA (rDNA) is transcribed into ribosomal RNA (rRNA), which then forms the core of the ribosome. The rRNA molecules are essential for the assembly and function of the ribosome, and the rDNA sequences that code for these molecules are highly conserved across different species. Mutations in rDNA can lead to defects in ribosome function and can be associated with various medical conditions, including some forms of cancer and inherited disorders.
Burkholderia cenocepacia is a gram-negative, aerobic, nonmotile bacterium that belongs to the Burkholderia cepacia complex (Bcc). It is a common environmental bacterium found in soil, water, and plant material. In the medical field, Burkholderia cenocepacia is primarily known for its association with cystic fibrosis (CF) and other chronic lung infections. In CF patients, Burkholderia cenocepacia can cause severe lung infections that are difficult to treat and can lead to rapid decline in lung function. The bacterium is also known to be resistant to many antibiotics, making it challenging to manage. In addition to CF, Burkholderia cenocepacia has also been associated with other respiratory infections, such as chronic obstructive pulmonary disease (COPD) and bronchiectasis. Burkholderia cenocepacia is also a significant concern in the healthcare setting, as it can cause nosocomial infections in immunocompromised patients, such as those with cancer or HIV/AIDS. The bacterium can survive on surfaces for extended periods and can be transmitted from patient to patient through contaminated equipment or environmental surfaces. Overall, Burkholderia cenocepacia is a significant pathogen in the medical field, particularly in patients with chronic lung diseases, and requires careful management to prevent and treat infections.
RNA, Ribosomal, 16S is a type of ribosomal RNA (rRNA) that is found in bacteria and archaea. It is a small subunit of the ribosome, which is the cellular machinery responsible for protein synthesis. The 16S rRNA is located in the 30S subunit of the ribosome and is essential for the binding and decoding of messenger RNA (mRNA) during translation. The sequence of the 16S rRNA is highly conserved among bacteria and archaea, making it a useful target for the identification and classification of these organisms. In the medical field, the 16S rRNA is often used in molecular biology techniques such as polymerase chain reaction (PCR) and DNA sequencing to study the diversity and evolution of bacterial and archaeal populations. It is also used in the development of diagnostic tests for bacterial infections and in the identification of antibiotic-resistant strains of bacteria.
Melioidosis is a serious infectious disease caused by the bacterium Burkholderia pseudomallei. It is primarily found in tropical and subtropical regions, particularly in Southeast Asia and northern Australia. The disease can be transmitted to humans through contact with contaminated soil, water, or vegetation, or through the bites of infected insects such as mosquitoes and ticks. Symptoms of melioidosis can vary widely and may include fever, chills, headache, muscle aches, cough, and difficulty breathing. In severe cases, the disease can cause pneumonia, sepsis, and organ failure. Treatment typically involves antibiotics, although the specific antibiotics used may depend on the severity of the infection and the location of the affected organs. In some cases, surgery may be necessary to remove infected tissue. Melioidosis is a potentially life-threatening disease, and prompt diagnosis and treatment are crucial for a favorable outcome.
Burkholderia gladioli
Toxoflavin
Polyketide
Oncom
Gladiolin
Bongkrek acid
Lagria villosa
Mozambique funeral beer poisoning
Tempeh
Phosphate solubilizing bacteria
January 9
Burkholderia cenocepacia
Burkholderia
List of MeSH codes (B03)
Pseudomonas
List of virus species
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pcrichardsandsons - Fibroblast growth factor
mVOC 3.0
SecReT4
An Eradication Protocol for B. Cepacia Complex in CF
Cepacia complex5
- 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)
- R. mannitoli- lytica and R. pickettii in particular may be misidentified as other closely related species, particularly those of the Burkholderia cepacia complex. (cdc.gov)
- Matrix-assisted laser desorption/ionization time-of-flight MS for the accurate identification of Burkholderia cepacia complex and Burkholderia gladioli in the clinical microbiology laboratory. (cdc.gov)
- 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)
ATCC1
- The bioinformatic analysis of the genome of Burkholderia gladioli ATCC 10248 showed a silent trans-AT PKS biosynthetic gene cluster (BGC) on chromosome 2 (Chr2C8), which was predicted to produce new glutarimide-containing derivatives. (bvsalud.org)
Glumae1
- General Information: Together with Burkholderia glumae, B. gladioli is a causal agent in rice sheath rot and rice grain rot. (up.ac.za)
Ralstonia1
- The type and reference strains of Ralstonia , Pandoraea , Burkholderia , Alcaligenes , and Bordetella species have been described (9-14). (cdc.gov)
Bacillus1
- Burkholderia cepacia is an aerobic gram-negative bacillus found in various aquatic environments. (medscape.com)
Clinical1
- Clinical characteristics and outcomes of patients with Burkholderia cepacia bacteremia in an intensive care unit. (medscape.com)
Infection1
- Moisturizing body milk as a reservoir of Burkholderia cepacia: outbreak of nosocomial infection in a multidisciplinary intensive care unit. (medscape.com)
Strain2
- The findings revealed that the symbiont strain Lv-StB of Burkholderia gladioli , which is vital for protection during the egg stage, is also the main defender of the subsequent developmental stages. (mpg.de)
- The Burkholderia strain produces an antifungal compound called lagriamide, which is found in all stages, i.e., on the surface of the eggs, larvae, pupae, and also on the inside of the molted cuticles. (mpg.de)
Species1
- Indeed, these species xylosoxidans , B. gladioli, and R. pickettii have been recovered are frequently misidentified as P. fluorescens or B. cepacia from sputum cultures of CF patients as well (2,3). (cdc.gov)
Pseudomonas1
- Hobson R, Gould I, Govan J. Burkholderia (Pseudomonas) cepacia as a cause of brain abscesses secondary to chronic suppurative otitis media. (medscape.com)
Vietnamiensis2
- 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. (nih.gov)
- 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. (nih.gov)
Type and reference strains1
- 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. (nih.gov)
Cystic fibrosis2
- Burkholderia gladioli colonizes the respiratory tracts of patients with cystic fibrosis and chronic granulomatous disease. (nih.gov)
- Subdural empyema due to Burkholderia cepacia: an unusual complication after lung transplantation for cystic fibrosis. (medscape.com)
Isolates1
- The 23S ribosomal DNA was cloned from several clinical isolates of B. gladioli, and the nucleotide sequence was determined. (nih.gov)
Clinical1
- Clinical characteristics and outcomes of patients with Burkholderia cepacia bacteremia in an intensive care unit. (medscape.com)
Gram-negative1
- Burkholderia cepacia is an aerobic gram-negative bacillus found in various aquatic environments. (medscape.com)