Laribacter hongkongensis: a potential cause of infectious diarrhea

Woo, Patrick C. Y.; Kuhnert, Peter; Burnens, André; Teng, Jade L. L.; Lau, Susanna K. P.; Que, Tak-lun; Yau, Hon-hung; Yuen, Kwok-yung (2003). Laribacter hongkongensis: a potential cause of infectious diarrhea. Diagnostic microbiology and infectious disease, 47(4), pp. 551-556. New York, N.Y.: Elsevier 10.1016/S0732-8893(03)00161-5

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In this study, we describe the isolation of Laribacter hongkongensis, a recently described genus and species of bacterium, in pure culture on charcoal cefoperazone deoxycholate agar from the stool of six patients with diarrhea. Three patients were residents of Hong Kong, and three of Switzerland. In none of the stool samples obtained from these six patients was Salmonella, Shigella, enterohemorrhagic Escherichia coli, Vibrio, Aeromonas, Plesiomonas, or Campylobacter recovered. Rotavirus antigen detection, electron microscopic examination for viruses, and microscopic examinations for ova and cysts were all negative for the stool samples obtained from the three patients in Hong Kong. Enterotoxigenic E. coli was recovered from one of the patients in Hong Kong. Unlike L. hongkongensis type strain HKU1, all the six strains were motile with bipolar flagellae. Sequencing of the 16S ribosomal RNA genes of the six strains showed that they all had sequences with only 0-2 base differences to that of the type strain. Pulsed field gel electrophoresis of the SpeI digested genomic DNA of the six isolates and that of the type strain revealed that the seven isolates were genotypically unrelated strains. More extensive epidemiologic studies should be carried out to ascertain the causative association between L. hongkongensis and diarrhea and to define the reservoir and modes of transmission of L. hongkongensis.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Infectious Diseases and Pathobiology (DIP) > Institute of Veterinary Bacteriology

UniBE Contributor:

Kuhnert, Peter and Burnens, André

Subjects:

600 Technology > 630 Agriculture
500 Science
500 Science > 570 Life sciences; biology

ISSN:

0732-8893

Publisher:

Elsevier

Language:

English

Submitter:

Peter Kuhnert-Ryser

Date Deposited:

24 Jan 2014 08:49

Last Modified:

16 Jan 2015 03:35

Publisher DOI:

10.1016/S0732-8893(03)00161-5

PubMed ID:

14711474

BORIS DOI:

10.7892/boris.39118

URI:

https://boris.unibe.ch/id/eprint/39118

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