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Department of Applied Biological Science, Tokyo University of Science, Chiba 278-8510, Japan
Correspondence
Takashi Kamakura
kamakura{at}rs.noda.tus.ac.jp
Gram-positive, rod-shaped, non-motile lactic acid bacteria, strains iz4b-1T, iz4b-2 and iz4c-1, were isolated in an attempt to study the composition of the Lactobacillus flora of Japanese pickles. Analysis of their 16S rRNA gene sequences revealed that the strains clustered in the Lactobacillus alimentarius group, and comparatively high similarities were shown to Lactobacillus tucceti CECT 5920 (97.0 %), Lactobacillus versmoldensis KU-3T (96.4 %) and Lactobacillus nantensis LP33T (94.4 %). DNA–DNA hybridization assays clearly revealed that the isolates represented a novel taxon. The DNA G+C content was 40.6 mol% and the peptidoglycan type was L-Lys–D-Asp. Thus, these isolates represent a novel Lactobacillus species, for which the name Lactobacillus nodensis sp. nov. is proposed. The type strain is iz4b-1T (=DSM 19682T =JCM 14932T).
The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain iz4b-1T is AB332024.
16S rRNA gene sequence-based maximum-parsimony and maximum-likelihood trees and detailed DNA–DNA hybridization results are available as supplementary material with the online version of this paper.
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