6-Phosphogluconate Dehydrogenase (6PGD) Gene Duplication in Kalimeris (Asteraceae)
スポンサーリンク
概要
- 論文の詳細を見る
The genus Kalimeris with a diagnostic character of short or inconspicuous pappus consists of two sections, Asteromoea and Cordifolium. As a result of 6PGD isozyme analysis, sect. Asteromoea, including 2 × and polyploid taxa from 5 × to 8 ×, show similar cytosolic isozyme multiplicity and share a monomorphic locus. The data suggest that gene duplication of polyploid members was derived from a common ancestor. K. miqueliana, belonging to sect. Cordifolium, also possessed a gene duplication in 6PGD, though significant differences were detected in electrophoretic mobility between the sections. The occurrence of gene duplication in East Asian diploid Astereae leaves intact the validity of the allopolyploid-origin hypothesis of n = 9, which was rejected by Gottlieb (1981 a) in American Astereae.
- 種生物学会の論文
著者
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Nishino Takako
Department Of Cardiovascular Surgery Kinki University School Of Medicine
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Nishino Takako
Department Of Life Sciences College Of Integrated Arts And Sciences University Of Osaka Prefecture
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Morita Tatsuyoshi
Biological Institute Faculty Of Education And Human Science Niigata University
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