Phylogenetic analysis of <Emphasis Type="Italic">Metarhizium</Emphasis> spp. isolated from soil in Japan |
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Authors: | Oumi Nishi Keiichi Hasegawa Kazuhiro Iiyama Chisa Yasunaga-Aoki Susumu Shimizu |
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Institution: | (1) Laboratory of Insect Pathology and Microbial Control, Institute of Biological Control, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka, Japan; |
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Abstract: | As a result of analyzing the internal transcribed spacer (ITS) and 5′ end of the EF-1α sequence of 145 isolates of Metarhizium spp. isolated from soil in Japan using selective agar medium, eight species were identified. ITS sequence analysis divided
the isolates into three clades. Two were identified as M. flavoviride var. pemphigi and M. lepidiotae, respectively. EF-1α sequence analysis identified the other clades as six species: M. anisopliae, M. brunneum, M. guizhouense, M. majus, M. pingshaense and M. robertisii. The distribution of M. flavoviride var. pemphigi was restricted to forest or wood soil, and conidial sizes of M. guizhouense and M. majus were incongruent with the phylogeny based on the sequence of the 5′ end of EF-1α. |
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