Abstract
A Gram-stain positive, rod shaped aerobic bacterial strain designated Ka25T was isolated from a forest soil sample near Kasol, Himachal Pradesh, India. Based on 16S rRNA gene sequence analysis it was identified that strain Ka25T belongs to the class Actinobacteria and is most closely related to Nocardioides daejeonensis KCTC 19772T (97.2 %), Nocardioides dubius JCM 13008T (96.9 %), Nocardioides psychrotolerans CGMCC 1.11156T (96.8 %), Nocardioides pacificus DSM 27278T(96.7 %) and Nocardioides daphniae JCM 16608T(96.4 %) sequence similarity respectively. The chemotaxonomic properties of strain Ka25T are consistent with those of the members of the genus Nocardioides: MK-8(H4) is the predominant menaquinone, iso-C16 : 0, iso-C17 : 0 and C18 : 1ω9c were identified as the predominant cellular fatty acids and the cell-wall peptidoglycan is based on LL-2,6-diaminopimelic acid. The DNA G+C content of strain Ka25T was determined to be 71.6 mol %. The results of the polyphasic taxonomic analysis allowed a clear differentiation of strain Ka25T from all other members of the genus Nocardioides. Strain Ka25T is thus considered to represent a novel member of the genus Nocardioides, for which the name Nocardioides solisilvae sp. nov. is proposed. The type strain is Ka25T (=KCTC39528T =MCC2762T).
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Acknowledgments
SVR and MT thank Department of Science & Technology, Government of India, for providing FTSYS project grants (SB/FT/LS-115/2012 and SB/FT/LS-320/2012, respectively). FM thanks Department of Science & Technology, Government of India, for providing PA fellowship.
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Supplementary Fig. S1
BOX-A1R PRIMER PCR and AP-PCR profiles of strains Ka25T and Nocardioides daejeonensis KCTC 19772T. Supplementary material 1 (PPTX 147 kb)
Supplementary Fig. S2
Two-dimensional thin-layer chromatogram of polar lipid extracts of Ka25T and Nocardioides daejeonensis KCTC 19772T. The first direction was developed in CHCl3:CH3OH:H2O (75:32:4 by volume) and the second in CHCl3:CH3OH:CH3COOH:H2O (86:16:15:4 by volume). PG, phosphatidylglycerol;DPG, diphosphatidylglycerol;PE, phosphatidylethanolamine; L1-3, unknown lipids. Supplementary material 2 (PPTX 271 kb)
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Sultanpuram, V.R., Mothe, T. & Mohammed, F. Nocardioides solisilvae sp. nov., isolated from a forest soil. Antonie van Leeuwenhoek 107, 1599–1606 (2015). https://doi.org/10.1007/s10482-015-0455-x
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DOI: https://doi.org/10.1007/s10482-015-0455-x