著者
Akira S. Hirao Atsushi Kumata Toshihito Takagi Yoshito Sasaki Takashi Shigihara Eiichi Kimura Shingo Kaneko
出版者
The Mycological Society of Japan
雑誌
Mycoscience (ISSN:13403540)
巻号頁・発行日
vol.63, no.3, pp.79-87, 2022-05-31 (Released:2022-05-31)
参考文献数
45

Pholiota microspora (“nameko” in Japanese) is one of the most common edible mushrooms, especially in Japan, where sawdust-based cultivation is the most dominant method accounting for 99% of the production. The current strains for sawdust cultivation in Japan are considered to have been derived from a single wild strain collected from Fukushima, Japan, implying that commercial nameko mushrooms are derived from a severe genetic bottleneck. We tested this single founder hypothesis by developing 14 microsatellite markers for P. microspora to evaluate the genetic diversity of 50 cultivars and 73 wild strains isolated from across Japan. Microsatellite analysis demonstrated that sawdust-cultivated strains from Japan were significantly less genetically diverse than the wild strains, and the former displayed a significant bottleneck signature. Analyzing the genetic relationships among all genotypes also revealed that the sawdust-cultivated samples clustered into one monophyletic subgroup. Moreover, the sawdust-cultivated samples in Japan were more closely related than full-sibs. These results were consistent with the single founder hypothesis that suggests that all commercial nameko mushrooms produced in Japan are descendants of a single ancestor. Therefore, we conclude that cultivated P. microspora originated from a single domestication event that substantially reduced the diversity of commercial nameko mushrooms in Japan.

言及状況

外部データベース (DOI)

Twitter (194 users, 278 posts, 594 favorites)

Japanese “nameko” mushrooms (Pholiota microspora) produced via sawdust-based cultivation exhibit severe genetic bottleneck associated with a single founder https://t.co/ZoO6rk4Eq7
Japanese “nameko” mushrooms (<i>Pholiota microspora</i>) produced via sawdust-based cultivation exhibit severe genetic bottleneck associated with a single founder https://t.co/2BdRt7JdFm
Japanese “nameko” mushrooms (<i>Pholiota microspora</i>) produced via sawdust-based cultivation exhibit severe genetic bottleneck associated with a single founder https://t.co/jZRxZwnCJt
[画像引用元] 1ツイート目: WikiMedia Commons (Autor: Qwert1234 / CC0) https://t.co/x5Wxguic1a 7ツイート目: 原著論文より https://t.co/RFS3pKSYIN
[原著論文] Akira S. Hirao, et al. "Japanese “nameko” mushrooms (
論文:Japanese “nameko” mushrooms (Pholiota microspora) produced via sawdust-based cultivation exhibit severe genetic bottleneck associated with a single founder https://t.co/e58Yd22omq https://t.co/mxDxp1fh9Q

収集済み URL リスト