Intraspecific Crossing, Zygote Germination and F_1 Progeny of Gonium pectorale
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概要
- 論文の詳細を見る
Intraspecific crossing, zygote germination and production of F_1 progenies of heterothallic strains of Gonium pectorale isolated from Tibet, Nepal and the Ryukyu Islands (Japan) were carried out. The results were compared with similarity coefficients in isozyme pattern for each cross. It was revealed that the strains from Nepal and the Ryukyu Islands which had high sexual affinity for each other had high similarity coefficients (0.80-1.00 and 0.60-0.80), while Tibetan strains which had low sexual affinity with the strains from the other areas had low similarity coefficients below 0.60 in most crosses with them. It is possible that Tibetan strains are isolated by mountain barrier and have developed a different feature in their gene from the strains of the other strains. There was a decreasing tendency in gametic compatibility and in the ability to produce F1 progenies during routine culture maintenance. Ecological or evolutional meanings of the alteration of sex competence were discussed.
- 日本微生物生態学会の論文
- 1993-05-31
著者
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Ishida Y
Laboratory Of Microbiology Department Of Fisheries Faculty Of Agriculture Kyoto University
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Ishida Yuzaburo
Laboratory Of Marine Microbiology Department Of Applied Bioscience Graduate School Of Agriculture Ky
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SAKO Yoshihiko
Laboratory of Marine Microbiology, Department of Applied Bioscience, Graduate School of Agriculture,
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Shrestha Keshab
Laboratory Of Microbiology Department Of Fisheries Faculty Of Agriculture Kyoto University
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Sako Y
Graduate School Of Agriculture Kyoto University
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Sako Yoshihiko
Laboratory Of Microbiology Department Of Fisheries Faculty Of Agriculture Kyoto University
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Sako Yoshihiko
Laboratory Of Marine Microbiology Division Of Applied Biosciences Graduate School Of Agriculture Kyo
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Sako Yoshihiko
Laboratory Of Marine Microbiology Department Of Applied Bioscience Graduate School Of Agriculture Ky
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