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1 Department of Soil Environmental Science, College of Agriculture and Natural Resources, National Chung Hsing University, Taichung, Taiwan, ROC
2 Laboratory of Microbiology, Department of Seafood Science, National Kaohsiung Marine University, 142 Hai-Chuan Road, Nan-Tzu, Kaohsiung City 811, Taiwan, ROC
Correspondence
Wen-Ming Chen
p62365{at}ms28.hinet.net
A Gram-positive, rod-shaped, yellow-pigmented actinomycete, designated strain NAA-13T, was isolated from a freshwater spring located in Kaoshiung, southern Taiwan. This strain was characterized using a polyphasic taxonomic approach. The organism had chemotaxonomic and morphological properties consistent with its classification in the genus Nocardioides. The strain contained LL-diaminopimelic acid as the principal diamino acid of the peptidoglycan, MK-8(H4) as the major menaquinone, and iso-C16 : 0 and C17 : 0 as the predominant fatty acids. 16S rRNA gene sequence studies showed that the strain formed a monophyletic branch at the periphery of the evolutionary radiation occupied by the genus Nocardioides; its closest neighbours were Nocardioides insulae DS-51T (94.9 % similarity), Nocardioides pyridinolyticus KCTC 0074BPT (96.5 % similarity) and Nocardioides aquiterrae GW-9T (96.6 % similarity). The DNA G+C content of strain NAA-13T was 71.8 mol%. On the basis of phenotypic, chemotaxonomic and phylogenetic data, strain NAA-13T represents a novel species of the genus Nocardioides, for which the name Nocardioides fonticola sp. nov. is proposed. The type strain is NAA-13T (=LMG 24213T=BCRC 16874T).
The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain NAA-13T is EF626689.
A table showing the cellular fatty acid composition of strain NAA-13T grown on R2A agar is available with the online version of this paper.
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