Self-Nonself Recognition in the Colonial Protochordate Botryllus schlosseri from Mutsu Bay, Japan
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概要
- 論文の詳細を見る
Wild Botryllus schlosseri collected from a 5 × 5 m area in Mutsu Bay (Aomori Prefecture, Japan) were tested for alloresponses in intrapopulation colony allorecognition assays (CAAs). Results indicate that rejection patterns are similar to those recorded previously in the populations from Monterey and Santa Barbara, California, from the Mediterranean coast of Israel, and from the Venetian lagoon, Italy. The only difference was the marked accumulation of bright-yellow blood cells in the tips of interacting ampullae. Pairwise CAAs which were performed on all combinations (n = 91) from 14 colonies resulted in 12.1% fusions, which gives a populational estimation of 32 alleles on the fusibility locus. A fusibility chart for these 14 genotypes revealed 18-19 different, not equally frequent, allorecognition alleles, of which 12 were assigned to only one genotype, each; 5 occurred twice, and each one of 2 alleles was present in three different genotypes. It is concluded that the sampled area was too small to represent the probable higher number of fusibility alleles residing in this population.
- 社団法人日本動物学会の論文
- 1992-10-15
著者
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Saito Yasunori
Shimoda Marine Research Center University Of Tsukuba
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Rinkevich B
National Institute Of Oceanography Israel Oceanographic & Limnological Research
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Rinkevich Baruch
National Institute Of Oceanography
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Saito Yasunori
Shimoda Marine Research Center Univ. Of Tsukuba
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