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Int J Syst Evol Microbiol 59 (2009), 992-997; DOI  10.1099/ijs.0.003228-0
© 2009 International Union of Microbiological Societies

Planotetraspora thailandica sp. nov., isolated from soil in Thailand

Chanwit Suriyachadkun1, Suwanee Chunhametha1, Chitti Thawai2, Tomohiko Tamura3, Wanchern Potacharoen1, Kanyawim Kirtikara1 and Jean-Jacques Sanglier1,4

1 BIOTEC Culture Collection (BCC), BIOTEC Central Research Unit, National Center for Genetic Engineering and Biotechnology, National Science and Technology Development Agency, 113 Thailand Science Park, Phaholyothin Road, Klong 1, Klong Luang, Pathumthani 12120, Thailand
2 Department of Applied Biology, Faculty of Science, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand
3 Biological Resource Center, National Institute of Technology and Evaluation, 2-5-8 Kazusakamatari, Kisarazu, Chiba, 292-0812, Japan
4 Novartis Institutes for BioMedical Research Basel, Natural Products Unit, Novartis Pharma AG, Basel, Switzerland

Correspondence
Chanwit Suriyachadkun
chanwit{at}biotec.or.th

A Gram-positive-staining, filamentous bacterial strain that developed cylindrical sporangia containing four oval- to rod-shaped spores at the ends of short sporangiophores on branched aerial mycelium was isolated from tropical rainforest soil near a hot spring. The cell-wall peptidoglycan contained meso-diaminopimelic acid, glutamic acid and alanine as cell-wall amino acids; the whole-cell hydrolysate contained rhamnose, madurose, glucose, galactose and 3-O-methylmannose as whole-cell sugars. The predominant menaquinone was MK-9(H4). Mycolic acids were not detected. The diagnostic phospholipid was phosphatidylethanolamine. The predominant cellular fatty acids were iso-C16 : 0 and 10-methylated C17 : 0. The G+C content of the DNA was 71.1 mol%. The phenotypic and chemotaxonomic analyses showed that the isolate had characteristics typical of members of the genus Planotetraspora. Furthermore, 16S rRNA gene sequence analysis also indicated that this strain belongs to the genus Planotetraspora, but as a putative novel species. Following phenotypic, chemotaxonomic and genotypic studies, the isolate is proposed to be a representative of a novel species, to be named Planotetraspora thailandica sp. nov. The type strain is BCC 21825T (=NBRC 104271T). An emended description of the genus Planotetraspora is also presented.

Abbreviations: meso-A2pm, meso-diaminopimelic acid

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain BCC 21825T is AB370244.

Supplementary tables showing cultural and physiological characteristics of type strains of Planotetraspora species are available with the online version of this paper.






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