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Int J Syst Evol Microbiol 58 (2008), 1630-1634; DOI  10.1099/ijs.0.65535-0
© 2008 International Union of Microbiological Societies

Enterococcus thailandicus sp. nov., isolated from fermented sausage (‘mum’) in Thailand

Somboon Tanasupawat1, Sirapan Sukontasing1 and Jung-Sook Lee2

1 Department of Microbiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
2 Korean Collection for Type Cultures (KCTC), Biological Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 52 Eoeun-dong, Yuseong-gu, Daejeon 305-333, Republic of Korea

Correspondence
Somboon Tanasupawat
Somboon.T{at}chula.ac.th

A Gram-positive and catalase-negative coccus that formed chains, designated strain FP48-3T, isolated from fermented sausage (‘mum’), was studied systematically. Strain FP48-3T was facultatively anaerobic and produced L-lactic acid from glucose. Straight-chain fatty acids C18 : 1 and C16 : 0 were the dominant components. The DNA G+C content of strain FP48-3T was 37.9 mol%. On the basis of 16S rRNA and RNA polymerase {alpha}-subunit (rpoA) gene sequence analysis, strain FP48-3T was closely related to Enterococcus hirae LMG 6399T, Enterococcus durans LMG 10746T and Enterococcus faecium LMG 11423T, with 99.3–99.6 and 95.1–96.9 % sequence similarities, respectively. Strain FP48-3T could be clearly distinguished from E. hirae LMG 6399T, E. durans LMG 10746T and E. faecium LMG 11423T by low DNA–DNA relatedness (≤14 %) and phenotypic characteristics. Therefore, this strain represents a novel species of the genus Enterococcus, for which the name Enterococcus thailandicus sp. nov. is proposed. The type strain is FP48-3T (=KCTC 13134T=NBRC 101867T=NRIC 0107T=TISTR 933T=PCU 282T).

The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA and rpoA gene sequences of strain FP48-3T are EF197994 and EU015878, respectively.

Neighbour-joining phylogenetic trees, based on 16S rRNA and rpoA gene sequences, showing the relationships between strain FP48-3T and related species are available as supplementary material with the online version of this paper.






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Copyright © 2008 by the International Union of Microbiological Societies.