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Wohlfahrtiimonas chitiniclastica

Jesus A Chavez, Andrew J Alexander, Joan M Balada-Llasat, Preeti Pancholi
Introduction: Wohlfahrtiimonas chitiniclastica has been associated with open wound infections, cellulitis, osteomyelitis, and bacteremia. Case presentation: We report the case of a 41 year old woman with history of congenital myelomeningocele, paraplegia and extensive decubitus ulcers that developed W. chitiniclastica bacteremia secondary to an infected ulcer. Conclusion: W. chitiniclastica is an emerging human pathogen that can be readily identified by MALDI-TOF or sequencing...
December 2017: JMM Case Reports
Yong Li, Wei Fang, Han Xue, Xu-Qi Yang, Shou-Jiang Xie, Lai-Fa Wang
A Gram-stain-negative, facultatively anaerobic, motile, bacterial strain, 34C10-3-10T , was isolated from symptomatic bark tissue of a Populus ×euramericana canker. The isolate could grow between 10 and 37 °C, at pH 5 to 11, and in 0-3 % (w/v) NaCl. The strain was oxidase and catalase positive. The ubiquinone of strain 34C10-3-10T was Q-8. The polar lipid profile of strain 34C10-3-10T included diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phospholipid, phosphatidylmonomethylethanolamine, phosphatidylserine; the major fatty acids were C18 : 1ω7c, C14 : 0 and C16 : 1ω7c/C16 : 1ω6c...
November 2017: International Journal of Systematic and Evolutionary Microbiology
P Schröttner, W W Rudolph, U Damme, C Lotz, E Jacobs, F Gunzer
Since the first description of Wohlfahrtiimonas chitiniclastica in 2008, a number of well described case reports demonstrating its pathogenic role in humans have been published. Infections may be closely linked to flies, such as Wohlfahrtia magnifica, Lucilia sericata, Chrysomya megacephala or Musca domestica. These insects are potent vectors for the distribution of W. chitiniclastica causing local or systemic infections originating from wounds infested with fly larvae. However, other potential sources of transmission of W...
May 2017: Epidemiology and Infection
Wei Zhou, Mu Li, Lingwei Zhu, Fuyou Hua, Xue Ji, Yang Sun, Jun Liu, Xuejun Guo
Here, a complete genome sequence of Wohlfahrtiimonas chitiniclastica strain BM-Y is presented. The whole genome is 2.18-Mb and contains a blaVEB-1 gene cassette which endows it with resistance to ceftazidime, ampicillin, tetracycline, etc. To our knowledge, this is the first time that an extended spectrum beta-lactamase (ESBL) type W. chitiniclastica strain has been found.
June 30, 2016: Genome Announcements
Jing Qi, Yang Gao, Gui-Sheng Wang, Lan-Bo Li, Lu-Lu Li, Xiao-Min Zhao, Yi-Jun Du, Yu-Qing Liu
Wohlfahrtiimonas chitiniclastica is a rare but an emerging zoonotic pathogen. Here, we report the isolation and identification of W. chitiniclastica strain DZ2015 from hoof pus of an infected cow with hoof fetlow in Shandong, China by 16S rRNA gene sequencing and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. Antimicrobial susceptibility testing and mouse infection experiments showed that the strain of W. chitiniclastica had broad susceptibility and was pathogenic to mice. This is the first report of the W...
July 2016: Infection, Genetics and Evolution
Santonu Kumar Sanyal, Taslin Jahan Mou, Ram Prosad Chakrabarty, Sirajul Hoque, M Anwar Hossain, Munawar Sultana
Arsenic (As) contaminated soils are enriched with arsenotrophic bacteria. The present study analyzes the microbiome and arsenotrophic genes-from As affected soil samples of Bhanga, Charvadrason and Sadarpur of Faridpur district in Bangladesh in summer (SFDSL1, 2, 3) and in winter (WFDSL1, 2, 3). Total As content of the soils was within the range of 3.24-17.8 mg/kg as per atomic absorption spectroscopy. The aioA gene, conferring arsenite [As (III)] oxidation, was retrieved from the soil sample, WFDSL-2, reported with As concentration of 4...
March 2016: AMB Express
Jorge Matos, Amanda Portela Queiroga, Carlla Cristhina de Oliveira Pedroza Bindi dos Reis, Rachel Leite Ribeiro, Lucia Martins Teixeira, Rodolpho Mattos Albano, Angela Corrêa de Freitas-Almeida, Mara Lucia Penna Queiroz
Wohlfahrtiimonas chitiniclastica is an emerging zoonotic bacterium commensally living in larvae of particular flies. It has been associated with human and animal infections but never isolated from food. In the present study, a whole chicken carcass was rinsed in buffered peptone water which was then inoculated into BHI and the growth plated onto selective medium. Species identification was performed by MALDI-TOF MS. Those bacteria identified as W. chitiniclastica were subjected to 16S rRNA sequencing for confirmation and MEGA software was used to obtain their phylogenetic position...
May 2016: Antonie Van Leeuwenhoek
Angel de Dios, Seby Jacob, Amit Tayal, Mark A Fisher, Tanis C Dingle, Camille L Hamula
We report the first documented isolation of Wohlfahrtiimonas chitiniclastica from a human in the United States. Initially misidentified as Acinetobacter lwoffii by Vitek-2, the isolate was subsequently identified as W. chitiniclastica by matrix-assisted laser desorption ionization-time of flight mass spectrometry (MALDI-TOF MS) and 16S rRNA gene sequencing. While the clinical significance of the isolate in this case is unclear, it highlights the superior performance of MALDI-TOF MS for bacterial identification...
December 2015: Journal of Clinical Microbiology
Karthika Suryalatha, Joby John, Sabu Thomas
Wohlfahrtiimonas chitiniclastica is a rare pathogen that was first isolated from a parasitic fly, Wohlfahrtia magnifica. It is a very rare but an emerging human pathogen reported only in Europe and South America. Recently, it is reported to be an egressing zoonotic pathogen from different geographical locations. The present case represents the first report of this pathogen from a patient suffering from osteomyelitis from India and so far no reports are available regarding the W. chitiniclastica associated infections in Asian countries...
2015: Future Microbiology
Siiri Kõljalg, Kaidi Telling, Kristi Huik, Marko Murruste, Virve Saarevet, Merit Pauskar, Irja Lutsar
Wohlfahrtiimonas chitiniclastica is a rare human pathogen mostly associated with parasitic flies. This is the report on W. chitiniclastica infection in the soft tissue and bone at a 58°N latitude in the northern temperate climate zone. The importance of correct identification of clinically relevant bacteria is highlighted.
March 2015: Folia Microbiologica
Tuddow Thaiwong, Niesa M Kettler, Ailam Lim, Heidi Dirkse, Matti Kiupel
Wohlfahrtiimonas chitiniclastica is an emerging human pathogen that has been identified as the cause of septicemia in humans in Europe and South America. Here we report the first case of a unique disease manifestation of Wohlfahrtiimonas chitiniclastica-induced bacterial septicemia secondary to wound myiasis in a deer in Michigan in the United States.
June 2014: Journal of Clinical Microbiology
Jae Kook Lee, Youn Yeop Lee, Kwan Ho Park, Jeonggu Sim, Youngcheol Choi, Sung-Jae Lee
A novel, Gram-negative, facultative anaerobic, motile and short rod-shaped bacterium, strain KBL006(T) was isolated from the larval gut of Hermetia illucens, Black soldier fly. The 16S rRNA gene sequence of strain KBL006(T) showed 96.4 % similarity to that of Wohlfahrtiimonas chitiniclastica S5(T). Strain KBL006(T) grew optimally at 30 °C, at pH 8.0 and in the presence of 1-2 % (w/v) NaCl. Oxidase activity and catalase activity were positive. The major fatty acids were C18:1 ω7c, C14:0, and C16:0. The major respiratory quinone was ubiquinone-8 (Q-8)...
January 2014: Antonie Van Leeuwenhoek
Xiao-Mei Cao, Tuo Chen, Li-Zhi Xu, Li-Si Yao, Jun Qi, Xiao-Long Zhang, Qing-Li Yan, Yao-Hua Deng, Tian-Yu Guo, Jing Wang, Kong-Xin Hu, Bao-Liang Xu
Wohlfahrtiimonas chitiniclastica bacilli that live in the larvae of a parasitic fly were recently isolated and are speculated to be the cause of fulminant sepsis. Here we report and analyze the complete genome sequence of Wohlfahrtiimonas chitiniclastica strain SH04. No complete genome sequence of a Wohlfahrtiimonas chitiniclastica isolate has been documented previously.
March 2013: Genome Announcements
Marisa N Almuzara, Susana Palombarani, Alicia Tuduri, Silvia Figueroa, Ariel Gianecini, Laura Sabater, Maria S Ramirez, Carlos A Vay
We report the first case of fulminant sepsis due to Wohlfahrtiimonas chitiniclastica. This case is also the first one reported in South America. We emphasize the importance of recognizing bacteria that live in the larvae of a parasitic fly as the causative agent of severe infections in homeless patients.
June 2011: Journal of Clinical Microbiology
Erika M Tóth, Peter Schumann, Andrea K Borsodi, Zsuzsa Kéki, Attila L Kovács, Károly Márialigeti
New Gammaproteobacteria were isolated from 3rd stage fly larvae of the parasitic fly Wohlfahrtia magnifica. Phylogenetic analysis of the new isolates showed that these bacteria belong to a distinct lineage close to Ignatzschineria larvae, which was originally isolated from the same species of fly. The low similarity values in 16S rRNA gene sequences (93.8-94.8 %), and differences in fatty acid profiles, RiboPrint patterns, MALDI-TOF mass spectra of cell extracts, and physiological and biochemical characteristics differentiate the isolates from the type strain of Ignatzschineria larvae (DSM 13226T), and indicate that our isolates represent a new genus within the Gammaproteobacteria...
April 2008: International Journal of Systematic and Evolutionary Microbiology
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