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Isolation of Laribacter hongkongensis, a novel bacterium associated with gastroenteritis, from Chinese tiger frog.
Int J Food Microbiol. 2009 Jan 31; 129(1):78-82.IJ

Abstract

Laribacter hongkongensis is a recently discovered novel bacterium associated with community-acquired gastroenteritis. Although the bacterium has been isolated from freshwater fish and natural freshwater environments, it is not known if other freshwater animals could also be a source of L. hongkongensis. In a surveillance study on freshwater food animals (other than fish) in Hong Kong, L. hongkongensis was isolated from eight of 10 Chinese tiger frogs (Hoplobatrachus chinensis), a widespread frog species commonly consumed in China and southeast Asia. The large intestine was the site with the highest recovery rate, followed by the small intestine and stomach. None of the 30 Malaysian prawns, 20 pieces of sand shrimp, 20 Chinese mystery snails or 10 Chinese soft-shelled turtles was found to harbor the bacterium. Among the eight positive frogs, a total of 26 isolates of L. hongkongensis, confirmed by phenotypic tests and PCR, were obtained. As with human, freshwater fish and natural water isolates, a heterogeneous population of L. hongkongensis in frogs was identified by pulsed-field gel electrophoresis, with 6 different patterns among the 26 isolates and a single frog often carrying different strains. The present report represents the first to describe the isolation of L. hongkongensis from amphibians. The high isolation rate and genetic heterogeneity of L. hongkongensis among the Chinese tiger frogs suggested that these animals are also natural reservoir for the bacterium. Caution should be exercised in handling and cooking these frogs.

Authors+Show Affiliations

State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19033083

Citation

Lau, Susanna K P., et al. "Isolation of Laribacter Hongkongensis, a Novel Bacterium Associated With Gastroenteritis, From Chinese Tiger Frog." International Journal of Food Microbiology, vol. 129, no. 1, 2009, pp. 78-82.
Lau SK, Lee LC, Fan RY, et al. Isolation of Laribacter hongkongensis, a novel bacterium associated with gastroenteritis, from Chinese tiger frog. Int J Food Microbiol. 2009;129(1):78-82.
Lau, S. K., Lee, L. C., Fan, R. Y., Teng, J. L., Tse, C. W., Woo, P. C., & Yuen, K. Y. (2009). Isolation of Laribacter hongkongensis, a novel bacterium associated with gastroenteritis, from Chinese tiger frog. International Journal of Food Microbiology, 129(1), 78-82. https://doi.org/10.1016/j.ijfoodmicro.2008.10.021
Lau SK, et al. Isolation of Laribacter Hongkongensis, a Novel Bacterium Associated With Gastroenteritis, From Chinese Tiger Frog. Int J Food Microbiol. 2009 Jan 31;129(1):78-82. PubMed PMID: 19033083.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Isolation of Laribacter hongkongensis, a novel bacterium associated with gastroenteritis, from Chinese tiger frog. AU - Lau,Susanna K P, AU - Lee,Leo C K, AU - Fan,Rachel Y Y, AU - Teng,Jade L L, AU - Tse,Cindy W S, AU - Woo,Patrick C Y, AU - Yuen,Kwok-Yung, Y1 - 2008/10/31/ PY - 2008/08/14/received PY - 2008/10/08/revised PY - 2008/10/13/accepted PY - 2008/11/27/pubmed PY - 2009/4/15/medline PY - 2008/11/27/entrez SP - 78 EP - 82 JF - International journal of food microbiology JO - Int J Food Microbiol VL - 129 IS - 1 N2 - Laribacter hongkongensis is a recently discovered novel bacterium associated with community-acquired gastroenteritis. Although the bacterium has been isolated from freshwater fish and natural freshwater environments, it is not known if other freshwater animals could also be a source of L. hongkongensis. In a surveillance study on freshwater food animals (other than fish) in Hong Kong, L. hongkongensis was isolated from eight of 10 Chinese tiger frogs (Hoplobatrachus chinensis), a widespread frog species commonly consumed in China and southeast Asia. The large intestine was the site with the highest recovery rate, followed by the small intestine and stomach. None of the 30 Malaysian prawns, 20 pieces of sand shrimp, 20 Chinese mystery snails or 10 Chinese soft-shelled turtles was found to harbor the bacterium. Among the eight positive frogs, a total of 26 isolates of L. hongkongensis, confirmed by phenotypic tests and PCR, were obtained. As with human, freshwater fish and natural water isolates, a heterogeneous population of L. hongkongensis in frogs was identified by pulsed-field gel electrophoresis, with 6 different patterns among the 26 isolates and a single frog often carrying different strains. The present report represents the first to describe the isolation of L. hongkongensis from amphibians. The high isolation rate and genetic heterogeneity of L. hongkongensis among the Chinese tiger frogs suggested that these animals are also natural reservoir for the bacterium. Caution should be exercised in handling and cooking these frogs. SN - 0168-1605 UR - https://www.unboundmedicine.com/medline/citation/19033083/Isolation_of_Laribacter_hongkongensis_a_novel_bacterium_associated_with_gastroenteritis_from_Chinese_tiger_frog_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0168-1605(08)00559-X DB - PRIME DP - Unbound Medicine ER -