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Int J Syst Evol Microbiol. 2014 Apr;64(Pt 4):1434-51. doi: 10.1099/ijs.0.060046-0.

Recommended minimal standards for description of new taxa of the genera Bifidobacterium, Lactobacillus and related genera.

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1
Department of Agricultural Sciences, University of Bologna, Viale Fanin 42, 40127 Bologna, Italy.

Abstract

Minimal standards for the description of new cultivable strains that represent novel genera and species belonging to the genera Bifidobacterium, Lactobacillus and related genera are proposed in accordance with Recommendation 30b of the Bacteriological Code (1990 Revision): the description of novel species should be based on phenotypic, genotypic and ecological characteristics to ensure a rich polyphasic characterization. Concerning genotypic characterization, in addition to DNA G+C content (mol%) data, the description should be based on DNA-DNA hybridization (DDH), 16S rRNA gene sequence similarities and at least two housekeeping gene (e.g. hsp60 and recA) sequence similarities. DDH might not be needed if the 16S rRNA gene sequence similarity to the closest known species is lower than 97 %. This proposal has been endorsed by members of the Subcommittee on the Taxonomy of Bifidobacterium, Lactobacillus and related organisms of the International Committee on the Systematics of Prokaryotes.

PMID:
24706714
DOI:
10.1099/ijs.0.060046-0
[Indexed for MEDLINE]
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