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Rothia terrae sp. nov. isolated from soil in Taiwan

¹ Laboratory of Microbiology, Department of Seafood Science, National Kaohsiung Marine University, No. 142 Hai-Chuan Road, Nan-Tzu, Kaohsiung City 811, Taiwan, ROC
² Department of Soil and Environmental Sciences, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung, Taiwan, ROC
³ Graduate School of Biotechnology and Bioinformatics, Yuan-Ze University, Chung-Li, Taoyuan 320, Taiwan, ROC

Correspondence
Wen-Ming Chen
p62365{at}ms28.hinet.net

A cream-white-coloured, aerobic, Gram-positive, ovoid to spherical-shaped bacterial strain, designated L-143^T, was isolated from soil in Taiwan. The highest 16S rRNA gene sequence similarities of strain L-143^T (98.3–95.8 %) were with members of the genus Rothia. Chemotaxonomic and phenotypic properties of this organism were consistent with its classification in the genus Rothia. The novel isolate was distinguished from all Rothia species by several phenotypic characteristics. The peptidoglycan type was A3, containing lysine, glutamic acid and alanine. The isolate contained MK-7 as the major component of the quinone system. The predominant polar lipid consisted of phosphatidylglycerol and diphosphatidylglycerol, with some unknown phospho- and glycolipids as minor components. The major fatty acids were anteiso-15 : 0 (57.3 %), anteiso-17 : 0 (17.0 %) and 16 : 0 (9.3 %). The G+C content of the genomic DNA was 56.1 mol%. Hence, genotypic, chemotaxonomic and phenotypic data demonstrate that strain L-143^T should be classified as a novel species in the genus Rothia, for which the name Rothia terrae sp. nov. is proposed. The type strain is L-143^T (=BCRC 17588^T=LMG 23708^T).

A supplementary table of fatty acid composition data and a supplementary figure showing the polar lipid profile of strain L-143^T are available with the online version of this paper.