Laribacter hongkongensis

Laribacter hongkongensis is a species of bacteria. It is facultatively anaerobic, non-sporulating, gram-negative, seagull- or spiral rod-shaped.[1] It is a potential human pathogen.[2][3][4] Laribacter hongkongensis has been isolated from human cases of diarrhea, but its role in causing diarrhea is unproven, even though it has been hypothesized. Additional studies are needed to better define its role as a possible enteric pathogen. These should include: case control studies designed to differentiate infection from colonization-transient passage, fulfilling Koch’s postulates and Bradford-Hill’s criteria on association vs. causation, possible virulence factors, animal models, host factors, antibody respones based on serodiagnostic testing, and human volunteer studies. The lessons learned from trying to establish the etiological role of the bacteria genera Aeromonas, Plesiomonas, and Edwardsiella in human diarrhea seem especially applicable for Laribacter. All four genera are isolated from extraintestinal infections, are apparently found in the aquatic environment, and epidemiological associations include eating fish and foreign travel. Even after over 50 years’ experience with the former three genera their etiological role in an individual case of human diarrhea is difficult to determine without extensive studies. For all four of these genera the critical issue will be differentiating infection from colonization or transient passage in the intestine.

Laribacter hongkongensis
Scientific classification
Kingdom:
Bacteria
Phylum:
Proteobacteria
Class:
Beta Proteobacteria
Order:
Neisseriales
Family:
Neisseriaceae
Genus:
Laribacter
Species:
L. hongkongensis
Binomial name
Laribacter hongkongensis
Yuen et al. 2002

References
  1. Yuen, K.-Y.; Woo, P. C. Y.; Teng, J. L. L.; Leung, K.-W.; Wong, M. K. M.; Lau, S. K. P. (2001). "Laribacterhongkongensis gen. nov., sp. nov., a Novel Gram-Negative Bacterium Isolated from a Cirrhotic Patient with Bacteremia and Empyema". Journal of Clinical Microbiology. 39 (12): 4227–4232. doi:10.1128/JCM.39.12.4227-4232.2001. ISSN 0095-1137. PMC 88529. PMID 11724825.
  2. Teng, J. L. L.; Woo, P. C. Y.; Ma, S. S. L.; Sit, T. H. C.; Ng, L.-t.; Hui, W.-t.; Lau, S. K. P.; Yuen, K.-y. (2005). "Ecoepidemiology of Laribacter hongkongensis, a Novel Bacterium Associated with Gastroenteritis". Journal of Clinical Microbiology. 43 (2): 919–922. doi:10.1128/JCM.43.2.919-922.2005. ISSN 0095-1137. PMC 548085. PMID 15695706.
  3. Woo, Patrick CY; Lau, Susanna KP; Teng, Jade LL; Que, Tak-lun; Yung, Raymond WH; Luk, Wei-kwang; Lai, Raymond WM; Hui, Wai-Ting; Wong, Samson SY; Yau, Hon-Hung; Yuen, Kwok-yung (2004). "Association of Laribacter hongkongensis in community-acquired gastroenteritis with travel and eating fish: a multicentre case-control study". The Lancet. 363 (9425): 1941–1947. doi:10.1016/S0140-6736(04)16407-6. ISSN 0140-6736. PMID 15194253.
  4. Raja, M. K., S. S. Lulu, and A. R. Ghosh. "A novel pathogen for gastroenteritis: Laribacter hongkongensis." Indian Journal of Medical Microbiology 31.2 (2013): 204.

Further reading


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