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https://www.readbyqxmd.com/read/29451368/public-health-response-to-an-imported-case-of-canine-melioidosis
#1
C W Ryan, K Bishop, D D Blaney, S J Britton, F Cantone, C Egan, M G Elrod, C W Frye, A M Maxted, G Perkins
Melioidosis in humans presents variably as fulminant sepsis, pneumonia, skin infection and solid organ abscesses. It is caused by Burkholderia pseudomallei, which in the United States is classified as a select agent, with "potential to pose a severe threat to both human and animal health, to plant health or to animal and plant products" (Federal Select Agent Program, http://www.selectagents.gov/, accessed 22 September 2016). Burkholderia pseudomallei is found in soil and surface water in the tropics, especially South-East Asia and northern Australia, where melioidosis is endemic...
February 16, 2018: Zoonoses and Public Health
https://www.readbyqxmd.com/read/29450121/glyphosate-induced-toxicity-to-chickpea-plants-and-stress-alleviation-by-herbicide-tolerant-phosphate-solubilizing-burkholderia-cepacia-psbb1-carrying-multifarious-plant-growth-promoting-activities
#2
Mohammad Shahid, Mohd Saghir Khan
In this study, strain PSBB1 isolated from Vicia faba rhizosphere was identified as Burkholderia cepacia , by 16S rDNA sequence analysis and characterized. Strain PSBB1 tolerated glyphosate up to 3200 μg ml -1 and produced IAA (81.6 μg ml -1 ), ACC deaminase (69.3 mg -1 protein h -1 ), SA (39.3 μg ml -1 ) and 2,3-DHBA (26.6 μg ml -1 ), solubilized insoluble P (50.8 μg ml -1 ) and secreted 29.4 μg ml -1 exopolysaccharides, which decreased with increasing concentrations of glyphosate. Cell damage following glyphosate application was visible under SEM and CLSM...
February 2018: 3 Biotech
https://www.readbyqxmd.com/read/29444656/implementation-of-a-successful-eradication-protocol-for-burkholderia-cepacia-complex-in-cystic-fibrosis-patients
#3
Bryan A Garcia, Jacque L Carden, Dana L Goodwin, Tim A Smith, Amit Gaggar, Kevin Leon, Veena B Antony, Steven M Rowe, George M Solomon
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. The efficacy and clinical outcomes following implementation of an eradication protocol for Bcc are less well understood. METHODS: We developed and implemented a single center Bcc eradication protocol that included an intensive combination of intravenous, inhaled, and oral antibiotic therapies based on in vitro sensitivities...
February 14, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29430378/characterisation-of-the-simultaneous-molybdenum-reduction-and-glyphosate-degradation-by-burkholderia-vietnamiensis-aq5-12-and-burkholderia-sp-aq5-13
#4
Motharasan Manogaran, Siti Aqlima Ahmad, Nur Adeela Yasid, Hafeez Muhammad Yakasai, Mohd Yunus Shukor
In this novel study, we report on the use of two molybdenum-reducing bacteria with the ability to utilise the herbicide glyphosate as the phosphorus source. The bacteria reduced sodium molybdate to molybdenum blue (Mo-blue), a colloidal and insoluble product, which is less toxic. The characterisation of the molybdenum-reducing bacteria was carried out using resting cells immersed in low-phosphate molybdenum media. Two glyphosate-degrading bacteria, namely Burkholderia vietnamiensis AQ5-12 and Burkholderia sp...
February 2018: 3 Biotech
https://www.readbyqxmd.com/read/29430369/optimisation-of-culture-composition-for-glyphosate-degradation-by-burkholderia-vietnamiensis-strain-aq5-12
#5
Motharasan Manogaran, Mohd Yunus Shukor, Nur Adeela Yasid, Khalilah Abdul Khalil, Siti Aqlima Ahmad
The herbicide glyphosate is often used to control weeds in agricultural lands. However, despite its ability to effectively kill weeds at low cost, health problems are still reported due to its toxicity level. The removal of glyphosate from the environment is usually done by microbiological process since chemical process of degradation is ineffective due to the presence of highly stable bonds. Therefore, finding glyphosate-degrading microorganisms in the soil of interest is crucial to remediate this glyphosate...
February 2018: 3 Biotech
https://www.readbyqxmd.com/read/29429458/-burkholderia-cepacia-infection-in-children-a-clinical-analysis-of-16-cases
#6
Fang Peng, Li-Li Zhong, Xiao-Juan Lin, Min Chen, Miao Zhou
OBJECTIVE: To investigate the distribution characteristics and clinical features of Burkholderia cepacia infection in children. METHODS: A retrospective analysis was performed for the clinical data of 16 children with Burkholderia cepacia infection who were hospitalized between June 2012 and September 2017. RESULTS: All 16 children with Burkholderia cepacia infection were sporadic cases. A total of 16 strains of Burkholderia cepacia were isolated, among which 8 were detected by sputum culture, 5 were detected by blood culture, 2 were detected by tracheal intubation tip culture, and 1 was detected by lung biopsy culture...
February 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29428982/draft-genome-of-the-fungicidal-biological-control-agent-burkholderia-anthina-strain-xxvi
#7
S de Los Santos-Villalobos, J M Kremer, F I Parra-Cota, A C Hayano-Kanashiro, L F García-Ortega, S K Gunturu, J M Tiedje, S Y He, J J Peña-Cabriales
Burkholderia anthina XXVI is a rhizosphere bacterium isolated from a mango orchard in Mexico. This strain has a significant biological control activity against the causal agent of mango anthracnose, Colletotrichum gloeosporioides, likely through the production of siderophores and other secondary metabolites. Here, we present a draft genome sequence of B. anthina XXVI (approximately 7.7 Mb; and G + C content of 67.0%), with the aim of gaining insight into the genomic basis of antifungal modes of action, ecological success as a biological control agent, and full biosynthetic potential...
February 10, 2018: Archives of Microbiology
https://www.readbyqxmd.com/read/29422784/genome-wide-analysis-of-type-vi-system-clusters-and-effectors-in-burkholderia-species
#8
Thao Thi Nguyen, Hyun-Hee Lee, Inmyoung Park, Young-Su Seo
Type VI secretion system (T6SS) has been discovered in a variety of gram-negative bacteria as a versatile weapon to stimulate the killing of eukaryotic cells or prokaryotic competitors. Type VI secretion effectors (T6SEs) are well known as key virulence factors for important pathogenic bacteria. In many Burkholderia species, T6SS has evolved as the most complicated secretion pathway with distinguished types to translocate diverse T6SEs, suggesting their essential roles in this genus. Here we attempted to detect and characterize T6SSs and potential T6SEs in target genomes of plant-associated and environmental Burkholderia species based on computational analyses...
February 2018: Plant Pathology Journal
https://www.readbyqxmd.com/read/29422033/a-case-report-of-tubo-ovarian-abscess-caused-by-burkholderia-pseudomallei
#9
Pattaranit Nernsai, Areepan Sophonsritsuk, Srithean Lertvikool, Artit Jinawath, Maria Nina Chitasombat
BACKGROUND: Melioidosis, the disease caused by Burkholderia pseudomallei is endemic in the Northeastern part of Thailand, South-East Asia, and Northern Australia. The pelvic involvement of disease is rare even in an endemic area. Therefore, we describe in this report the clinical presentation, management, and outcome of the patient with primary tubo-ovarian abscess due to melioidosis. CASE PRESENTATION: A 31-year-old Thai cassava farmer woman presented with fever and abdominal pain at left lower quadrant for one month...
February 8, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29417919/multistate-outbreak-of-an-emerging-burkholderia-cepacia-complex-strain-associated-with-contaminated-oral-liquid-docusate-sodium
#10
Ibukunoluwa C Akinboyo, Anna C Sick-Samuels, Emily Singeltary, James Fackler, Judith Ascenzi, Karen C Carroll, Yvonne Maldonado, Richard B Brooks, Isaac Benowitz, Lucy E Wilson, John J LiPuma, Aaron M Milstone
No abstract text is available yet for this article.
February 2018: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29417060/burkholderia-gladioli-strain-ngj1-deploys-a-prophage-tail-like-protein-for-mycophagy
#11
COMMENT
Rahul Kumar, Sunil Kumar Yadav, Durga M Swain, Gopaljee Jha
Fungal pathogens are responsible for approximately two third of the infectious plant diseases. Historically they have been associated with several devastating famines, causing death and disabilities in humans. Mostly fungal diseases are being controlled by using fungicides which otherwise have adverse side effects on the health of consumers as well as environment. Due to extensive usages, pathogens have evolved resistance against most of the commonly used fungicides and rendered them ineffective. Controlling fungal disease in a sustainable and eco-friendly fashion remains a challenge...
December 31, 2017: Microbial Cell
https://www.readbyqxmd.com/read/29416361/imported-melioidosis-in-japan-a-review-of-cases
#12
REVIEW
Yoshiro Hadano
Fourteen cases of reported melioidosis in Japan were reviewed. The mean age was 52.4 years (33-69 years), and all patients were male. All of the presumed exposures originated in Southeast Asia. The most common underlying disease was diabetes mellitus, including those patients with impaired glucose tolerance (n=8). As for mode of onset, 13 patients had acute infections and one had chronic infection. Of these 14 patients, the most common infection site on admission was lung (n=8), followed by bone (n=5), skin (n=4), gastrointestinal abscess formation (n=3), urinary tract (n=3), aorta (n=2), mediastinal lymph node swelling (n=1), and central nervous system (n=1)...
2018: Infection and Drug Resistance
https://www.readbyqxmd.com/read/29413997/burkholderia-sacchari-dsm-17165-a-source-of-compositionally-tunable-block-copolymeric-short-chain-poly-hydroxyalkanoates-from-xylose-and-levulinic-acid
#13
Richard D Ashby, Daniel K Y Solaiman, Alberto Nuñez, Gary D Strahan, David B Johnston
Burkholderia sacchari was used to produce poly-3-hydroxybutyrate-co-3-hydroxyvalerate block copolymers from xylose and levulinic acid. Levulinic acid was the preferred substrate resulting in 3-hydroxyvalerate (3HV) contents as high as 95 mol% at 24 h. The 3HB:3HV ratios were controlled by the initial levulinic acid media concentration and fermentation length. Higher levulinic acid concentrations and longer durations, resulted in polymers with two glass transition temperatures, each approximating those associated with poly-3HB and poly-3HV...
December 18, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/29412110/the-sesamum-indicum-rhizosphere-associated-bacterium-a-source-of-antifungal-compound
#14
Renu Chaudhary, Meenakshi Balhara, Deepak Jangir, Mrridula Dangi, Mehak Dangi, Savita Khatri, Anil K Chhillar
BACKGROUND: The impact of fungal infections on human health has increased considerably within a past few decades. Although drugs with antifungal properties are available, but they are less effective and are associated with side effects. OBJECTIVE AND METHOD: Screening of bacterial isolates from Sesamum indicum and to investigate the antifungal activity of the screened bacterial isolates against Aspergillus sp. Co-culture assay and agar overlay were used to scrutinize the anti-Aspergillus activity...
February 5, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29411502/draft-genome-and-description-of-novimethylophilus-kurashikiensis-gen-nov-sp-nov-a-new-lanthanide-dependent-methylotrophic-species-of-methylophilaceae
#15
Haoxin Lv, Nurettin Sahin, Akio Tani
Recently it has been found that two types of methanol dehydrogenases (MDHs) exist in Gram-negative bacterial methylotrophs, calcium-dependent MxaFI-MDH and lanthanide-dependent XoxF-MDH, and the latter is more widespread in bacterial genomes. We aimed to isolate and characterize lanthanide dependent methylotrophs. The growth of strain La2-4T on methanol, which was isolated from rice rhizosphere soil, was strictly lanthanide dependent. Its 16S rRNA gene sequence showed only 93.4% identity to that of Methylophilus luteus MimT , and the name Novimethylophilus kurashikiensis gen...
February 6, 2018: Environmental Microbiology
https://www.readbyqxmd.com/read/29405156/melioidosis-reinfection-going-incognito-as-relapse
#16
Isra Halim, Tushar Shaw, Chaitanya Tellapragada, K E Vandana, Chiranjay Mukhopadhyay
Melioidosis has recently gained importance as an emerging disease in India. Recurrent melioidosis has been reported from different parts of the world and can be due to relapse or reinfection. Distinction between relapse and reinfection is important for epidemiology, investigation and management. Here, we present the data regarding rate of recurrence and utility of multilocus sequence typing (MLST) in differentiating relapse form reinfection amongst melioidosis patients from a tertiary care hospital in South India...
October 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29405136/stenotrophomonas-maltophilia-from-trivial-to-grievous
#17
REVIEW
Lipika Singhal, Parvinder Kaur, Vikas Gautam
Stenotrophomonas maltophilia, once regarded as an organism of low virulence, has evolved as a significant opportunistic pathogen causing severe human infections in both hospital and community settings, especially amongst highly debilitated patients. Globally, S. maltophilia ranks third amongst the four most common pathogenic non-fermenting Gram-negative bacilli (NFGNBs), others being Pseudomonas aeruginosa, Acinetobacter baumannii and Burkholderia cepacia complex (Bcc). The worth of accurate identification of S...
October 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29397024/pseudomonas-and-burkholderia-inhibit-growth-and-asexual-development-of-phytophthora-capsici
#18
Amena Khatun, Tarin Farhana, Abdullah As Sabir, Shah Mohammad Naimul Islam, Helen M West, Mahfuzur Rahman, Tofazzal Islam
The objective of this study was to isolate and characterize antagonistic rhizobacteria from chili against a notorious phytopathogen Phytophthora capsici. Among the 48 bacteria isolated, BTLbbc-02, BTLbbc-03, and BTLbbc-05 were selected based on their inhibitory activity against P. capsici. They were tentatively identified as Burkholderia metallica BTLbbc-02, Burkholderia cepacia BTLbbc-03, and Pseudomonas aeruginosa BTLbbc-05, respectively, based on their 16S rRNA gene sequencing. All inhibited the growth of P...
February 3, 2018: Zeitschrift Für Naturforschung. C, A Journal of Biosciences
https://www.readbyqxmd.com/read/29394337/raising-the-stakes-loss-of-efflux-pump-regulation-decreases-meropenem-susceptibility-in-burkholderia-pseudomallei
#19
Derek S Sarovich, Jessica R Webb, Matthew C Pitman, Linda T Viberg, Mark Mayo, Robert W Baird, Jennifer M Robson, Bart J Currie, Erin P Price
Background: Burkholderia pseudomallei, the causative agent of the high-mortality disease melioidosis, is a Gram-negative bacterium that is naturally resistant to many antibiotics. There is no vaccine for melioidosis, and effective eradication is reliant on biphasic and prolonged antibiotic administration. The carbapenem drug, meropenem, is the current gold-standard option for treating severe melioidosis. Intrinsic B. pseudomallei resistance towards meropenem has not yet been documented; however, resistance could conceivably develop over the course of infection, leading to prolonged sepsis and treatment failure...
January 31, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29393577/adhesion-and-invasion-attributes-of-burkholderia-pseudomallei-are-dependent-on-airway-surface-liquid-and-glucose-concentrations-in-lung-epithelial-cells
#20
Vanitha Mariappan, Jaikumar Thimma, Kumutha Malar Vellasamy, Esaki M Shankar, Jamuna Vadivelu
Physiological constituents in airway surface liquids (ASL) appear to impact the adherence and invasion potentials of Burkholderia pseudomallei contributing to recrudescent melioidosis. Here, we investigated the factors present in ASL that is likely to influence bacterial adhesion and invasion leading to improved understanding of bacterial pathogenesis. Six B.pseudomallei clinical isolates from different origins were used to investigate the ability of the bacteria to adhere and invade A549 human lung epithelial cells using a system that mimics the physiological ASL with different pH, NaCl, KCl, CaCl2 and glucose concentrations...
February 2, 2018: Environmental Microbiology Reports
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