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Int J Syst Evol Microbiol 57 (2007), 1456-1460; DOI  10.1099/ijs.0.64695-0
© 2007 International Union of Microbiological Societies

Nocardia terpenica sp. nov., isolated from Japanese patients with nocardiosis

Yasutaka Hoshino1,2, Kayo Watanabe1, Soji Iida1, Shin-ichi Suzuki3, Takuji Kudo4, Takahisa Kogure1, Katsukiyo Yazawa1, Jun Ishikawa2, Reiner M. Kroppenstedt5 and Yuzuru Mikami1

1 Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8673, Japan
2 National Institute of Infectious Diseases, Shinjuku, Tokyo 162-8640, Japan
3 Discovery Research Laboratories, Tanabe Seiyaku Co., Ltd, 2-2-50 Kawagishi, Toda, Saitama 335-8505, Japan
4 JCM, RIKEN BioResource Center, Wako, Saitama 351-0198, Japan
5 DSMZ – Deutsche Sammlung von Mikroorganismen und Zellkulturen, Braunschweig, Germany

Correspondence
Yuzuru Mikami
mikami{at}faculty.chiba-u.jp

Two bacterial strains isolated from different hospitals in Japan were subjected to a polyphasic analysis. Strains IFM 0406 and IFM 0706T, producers of novel terpenoid antibiotics, were found to have morphological, biochemical, physiological and chemotaxonomic properties consistent with their classification in the genus Nocardia, except for the presence of MK-8(H4) as one of the predominant menaquinones in addition to the major menaquinone MK-8(H4{omega}-cyc). The 16S rRNA gene sequence similarity of strains IFM 0406 and IFM 0706T was 99.9 %, and the closest members of Nocardia to these strains were the type strains of Nocardia nova and Nocardia mexicana, showing similarity of 97.5 and 97.1 %, respectively. Based on their characteristic phenotypic and phylogenetic properties, a novel species of the genus Nocardia, Nocardia terpenica sp. nov. is proposed for the two strains. The type strain is IFM 0706T (=JCM 13033T=DSM 44935T=NBRC 100888T).

Abbreviations: A2pm, diaminopimelic acid

The GenBank/EMBL/DDBJ accession numbers for the 16S rRNA gene sequences of strains IFM 0706T and IFM 0406 are respectively AB201298 and AB201299.

An extended phylogenetic tree, details of the mycolic acid and fatty acid profiles of strain IFM 0706T and a comparison of physiological characters of IFM 0706T and other Nocardia type strains are available as supplementary data with the online version of this paper.






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Copyright © 2007 by the International Union of Microbiological Societies.