cellular organisms; Bacteria; Proteobacteria; delta/epsilon subdivisions; Deltaproteobacteria; Desulfovibrionales; Desulfovibrionaceae; Bilophila; Bilophila wadsworthia
Description and Significance
Bilophila wadsworthia is a gram negative anaerobic rod . This bacteria carries out fermentation within the gut using taurine as the final electron acceptor . It is urease-positive, bile resistant, catalase-positive . It is largely found in patients that have appendicitis .
Structure, Metabolism, and Life Cycle
This organism does not have a capsule and it also uses hydrogen as a growth substrate . It has a 92% genomic DNA homology and is a bacteria. It also is a common, non-pathogenic organism growing in the colon of human and pigs . At this time, the exact life cycle of Bilophila wadsworthia is unknown.
Ecology and Pathogenesis
Bilophila wadsworthia is normal flora in human feces and can be found occasionally in the saliva and vagina . [This organism has been found to cause intra-abdominal abscesses and has been found in human feces. It was also found in the peridontal pockets of dogs as well . The specific virulence factor of this organism is something that has yet to be determined . This is also found in humans that have appendicitis.
 Baron,E. 1996. "Bilophila wadsworthia a Unique Gram-negative Anaerobic Rod.""Anaerobe".3:83–86. http://www.afrh.fr/web-content/documents/Basedocumentairemedicale/1997/1997%20B.Wadsworthia%20Bacteria%20HS%20Baron.pdf
 Silva,S.;Venceslau,S.;Fernandes,C;Valente,F;Pereira,I. 2008. "Hydrogen as an energy source for the human pathogen Bilophila wadsworthia"."Antonie van Leeuwenhoek".93:381-390. http://link.springer.com/article/10.1007%2Fs10482-007-9215-x
 Finegold S, Summanen P, Hunt Gerardo S, Baron E. 1992. "Clinical importance of Bilophila wadsworthia". "Eur J Clin Microbiol Infect Dis".11:1058-63. http://www.ncbi.nlm.nih.gov/pubmed/1295759
 McOrist,S.; Keller,L.; and McOrist,A. 2003. "Search for Lawsonia intracellularis and Bilophila wadsworthia in malabsorption-diseased chickens". "Can J Vet Res".3: 232–234. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC227059/
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