The correlation among molecular phylogenetics, morphological data, and growth temperature of the genus Emericella, and a new species

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  • Matsuzawa Tetsuhiro
    Medical Mycology Research Center, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8673, Japan
  • Tanaka Reiko
    Medical Mycology Research Center, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8673, Japan
  • Horie Yoshikazu
    Medical Mycology Research Center, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8673, Japan
  • Hui Yan
    Department of Dermatology, The First Hospital of Xinjiang Medical University, No. 1 Liyushan Road, Urumqi, Xinjiang 830054, China
  • Abliz Paride
    Department of Dermatology, The First Hospital of Xinjiang Medical University, No. 1 Liyushan Road, Urumqi, Xinjiang 830054, China
  • Yaguchi Takashi
    Medical Mycology Research Center, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8673, Japan

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  • The correlation among molecular phylogenetics, morphological data, and growth temperature of the genus <i>Emericella</i>, and a new species

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<p>The species of the genus Emericella have been classified and identified on the basis of morphological features. However, the phylogenetic relationships in this genus have not been investigated. To clarify the relationships according to molecular phylogenetics, morphological characteristics, and growth temperature regimens in Emericella, multilocus sequencing analysis based on recent Aspergillus taxonomy was carried out. Various characteristic species formed individual clades, and maximum growth temperature reflected the phylogenetics. Emericella species exhibit various ascospore characteristics, although some species do not have distinct ascospore ornamentation. Species that have smooth-walled ascospores with two equatorial crests are polyphyletic. Here, Emericella pachycristata is described and illustrated as a new species. Its ascospores are similar to those of E. nidulans. These species produce smooth-walled ascospores, but the equatorial crests of E. pachycristata are thicker than those of E. nidulans. On the phylogenetic trees, E. pachycristata is closely related to E. rugulosa, which produces ascospores with ribbed convex surfaces. Thus, E. pachycristata is considered to be a new species both morphologically and phylogenetically.</p>

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  • Mycoscience

    Mycoscience 53 (6), 433-445, 2012

    一般社団法人 日本菌学会

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