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ko Takahashi1
mura1,2
1 Kitasato Institute for Life Sciences, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
2 The Kitasato Institute, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
Correspondence
Yko Takahashi
ytakaha{at}lisci.kitasato-u.ac.jp
A novel actinomycete strain was isolated from a soil sample collected in Japan by using gellan gum as a solidifying agent. Spore-chains from the short sporophores were straight and each had more than 20 spores per chain. Spores possessed no motility. Cell-wall peptidoglycan contained meso-diaminopimelic acid, glycine, alanine and glutamic acid; whole-cell hydrolysates contained arabinose, galactose and xylose. The acyl type of the peptidoglycan was glycolyl. The predominant menaquinones were MK-10(H4) and MK-10(H6); MK-10(H8) was a minor component. Mycolic acids were not detected. The diagostic phospholipid was phosphatidylethanolamine. Cellular fatty acids included heptadecenoic (C17 : 1), 14-methylpentadecanoic (i-C16 : 0) and octadecenoic (C18 : 1) acids. The G+C content of the DNA was 70 mol%. On the basis of morphogical and chemotaxonomic properties and phylogenetic analysis based on 16S rDNA sequence data, it is proposed that this strain should be classified in a novel genus and species, Longispora albida gen. nov., sp. nov., in the family Micromonosporaceae. The type strain is K97-0003T (=NRRL B-24201T=JCM 11711T).
Published online ahead of print on 11 April 2003 as DOI 10.1099/ijs.0.02595-0.
The GenBank/EMBL/DDBJ accession number for the 16S rDNA sequence of strain K97-0003T is AB089241.
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