Mitochondrial Gene Introgression between Spined Loaches via Hybridogenesis(Animal Diversity and Evolution)
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概要
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This report deals with an unusual mode of mitochondrial gene introgression between Cobitis hankugensis (C. Sinensis) and C. Longicorpus which is mediated by a unisexual hybridogenetic system of diploid-triploid C. Hankugensis-longicorpus complex. Mitochondrial DNA sequences of 3329-3330dp encompassing from upstream ND6 to 12S rDNA indicated that mitochondrial genomes from the diploid hybrids, triploid hybrids, and thier parental species are almost identical.Because triploid hybrids produce haploid ova with C.hankugensis chromosome set, normal diploid C. Hankugensis regenerates upon insemination with C. Hankugensis sperm. If the hybrid carries C. Longicorpus mitochondrial genome, the regenerated C. Hankugensis is a nucleo-cytoplasmic hybrid, thus accomplishing the unusual mode of mitochondrial gene introgression.
- 社団法人日本動物学会の論文
- 2004-01-25
著者
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Kim Ik-soo
Faculty Of Biological Sciences Chonbuk National University
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SAITOH Kenji
Tohoku National Fisheries Research Institute
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Lee Eun-hee
Faculty Of Biological Sciences Chonbuk National University
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Saitoh Kenji
Tohoku National Fisheries Res. Inst. Miyagi Jpn
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