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PMID: 8863417 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S.

Helicobacter trogontum sp. nov., isolated from the rat intestine.

International journal of systematic bacteriology ·Vol. 46 ·No. 4 ·1996-10-00 ·Pages 916-21

Mendes EN, Queiroz DM, Dewhirst FE, Paster BJ, Moura SB, Fox JG

Abstract

A new Helicobacter species that colonizes the colonic mucosa of Wistar and Holtzman rats was isolated and characterized. This bacterium was gram negative, its cells were rod shaped with pointed ends, and its protoplasmic cylinder was entwined with periplasmic fibers. It was catalase and oxidase positive, rapidly hydrolyzed urea, and was susceptible to metronidazole and resistant to cephalothin and nalidixic acid. The new organism was microaerophilic and grew at 42 degrees C, a feature that differentiates it from two other murine intestine colonizers, Helicobacter hepaticus and Helicobacter muridarum. On the basis of 16S rRNA sequence analysis data, the new organism was identified as a Helicobacter species that is most closely related to H. hepaticus. This bacterium is named Helicobacter trogontum. The type strain is strain LRB 8581 (= ATCC 700114).

MeSH Terms
Animals Base Sequence Helicobacter/genetics,isolation & purification,metabolism Intestines/microbiology Molecular Sequence Data Polymerase Chain Reaction RNA, Ribosomal, 16S/chemistry Rats Rats, Wistar
Chemicals
RNA, Ribosomal, 16S
Authors & Affiliations
6 authors, click to expand affiliations / ORCID
Mendes E N
Laboratory of Research in Bacteriology, Faculdade de Medicina/UFMG, Belo Horizonte, Brazil.
Queiroz D M
Dewhirst F E
Paster B J
Moura S B
Fox J G
Article Info
Journal
International journal of systematic bacteriology
Abbr.
Int J Syst Bacteriol
ISSN
0020-7713
DOI
10.1099/00207713-46-4-916
Published
1996-10-00
Pages
916-21
Language
English
Region
England
NLM ID
0042143
Subset
IM
Grants
NIDCR NIH HHS · DE-10374 · United States
NCRR NIH HHS · RR-01046 · United States
NCRR NIH HHS · RR-07036 · United States
Databases
GENBANK
L10079, L10080, L13464, L36141, M35048, M57398, M80205, M88137, M88139, M88147, M88148, M88150, M88151, M88154, M88157, U07574, U18766, U65103, X67854
External Links
PubMed source DOI: 10.1099/00207713-46-4-916
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