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Halosarpheia japonica sp. nov. (Halosphaeriales, Ascomycota) from marine habitats in Japan

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Abstract

A new Halosarpheia species, collected from driftwood from Hakkeijima beach, Yokohama, Japan, is described and illustrated and is compared with other species of the genus. The new fungus was growing together with its anamorph on a piece of decaying wood. SSU and LSU rDNA sequences for both morphs were 99% similar. Phylogenetic analyses of SSU and LSU rDNA sequences of the both morphs confirm their anamorph–teleomorph relationship and placed the new fungus in the Halosarpheia sensu stricto clade with high statistical support. Halosarpheia japonica is characterized by its polar appendage that is initially enclosed in a cellular sheath and dissolves in water, the appendage then swells to form a huge tree-like structure. The other three species currently included in Halosarpheia sensu stricto differ from H. japonica by having two polar appendages that uncoil in water to form long filaments.

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Acknowledgements

This work was funded by grants from the Japan Society for the Promotion of Science (JSPS) (No. 185701000001 and No. 18-06620). M.A. Abdel-Wahab is grateful to JSPS for an award of a postdoctoral fellowship. We appreciate the comments provided by the two anonymous reviewers and the editor-in-chief, who greatly improved this paper.

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Authors and Affiliations

  1. Extremobiosphere Research Center, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2-15 Natsushima-cho, Yokosuka, Kanagawa, 237-0061, Japan

    Mohamed A. Abdel-Wahab & Takahiko Nagahama

  2. Department of Botany, Faculty of Science, Sohag University, Sohag, 82524, Egypt

    Mohamed A. Abdel-Wahab

  3. Department of Food and Nutrition, Higashi-Chikushi Junior College, 5-1-1 Shimoitozu, Kokurakita-ku, Kitakyusyu, Fukuoka, 803-8511, Japan

    Takahiko Nagahama

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  1. Mohamed A. Abdel-Wahab
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  2. Takahiko Nagahama
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Correspondence to Mohamed A. Abdel-Wahab.

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Abdel-Wahab, M.A., Nagahama, T. Halosarpheia japonica sp. nov. (Halosphaeriales, Ascomycota) from marine habitats in Japan. Mycol Progress 11, 85–92 (2012). https://doi.org/10.1007/s11557-010-0731-0

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  • DOI: https://doi.org/10.1007/s11557-010-0731-0

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