Comparative Mapping of the ASTRINGENCY Locus Controlling Fruit Astringency in Hexaploid Persimmon (Diospyros kaki Thunb.) with the Diploid D. lotus Reference Genome
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- Nishiyama Soichiro
- Graduate School of Agriculture, Kyoto University
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- Onoue Noriyuki
- Institute of Fruit Tree and Tea Science, NARO
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- Kono Atsushi
- Institute of Fruit Tree and Tea Science, NARO
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- Sato Akihiko
- Institute of Fruit Tree and Tea Science, NARO
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- Ushijima Koichiro
- Graduate School of Environmental and Life Science, Okayama University
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- Yamane Hisayo
- Graduate School of Agriculture, Kyoto University
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- Tao Ryutaro
- Graduate School of Agriculture, Kyoto University
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- Yonemori Keizo
- Graduate School of Agriculture, Kyoto University
書誌事項
- タイトル別名
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- Comparative Mapping of the <i>ASTRINGENCY</i> Locus Controlling Fruit Astringency in Hexaploid Persimmon (<i>Diospyros kaki</i> Thunb.) with the Diploid <i>D. lotus</i> Reference Genome
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抄録
<p>Persimmon (Diospyros kaki) is a tree crop species that originated in East Asia, consists mainly of hexaploid individuals (2n = 6x = 90) with some nonaploid individuals. One of the unique characteristics of persimmon is the continuous accumulation of proanthocyanidins (PAs) in its fruit until the middle of fruit development, resulting in a strong astringent taste even at commercial fruit maturity. Among persimmon cultivars, pollination-constant and non-astringent (PCNA) types cease PA accumulation in early fruit development and become non-astringent at commercial maturity. PCNA is an allelic trait to non-PCNA and is controlled by a single locus called the ASTRINGENCY (AST) locus. Previous segregation analyses indicated that the AST locus shows hexasomic inheritance; a recessive allele, ast, at this locus confers PCNA. Here, we report a shuttle mapping approach to delimit the AST locus region in the hexaploid persimmon genome by using D. lotus, a diploid relative of D. kaki, as a reference. A D. lotus F1 population of 333 individuals and 296 D. kaki siblings segregating for the PCNA trait were used to map the AST region using haplotype-specific markers covering the AST region. This indicated that the AST locus is syntenic to an approximately 915-kb region of the D. lotus genome. In this 915-kb region, we found several candidates for AST that were revealed from the fruit transcriptome of a population segregating for the PCNA trait. These results could provide important clues for the isolation of AST in hexaploid persimmon.</p>
収録刊行物
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- The Horticulture Journal
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The Horticulture Journal 87 (3), 315-323, 2018
一般社団法人 園芸学会
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詳細情報 詳細情報について
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- CRID
- 1390282763025750272
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- NII論文ID
- 130007420593
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- NII書誌ID
- AA12708073
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- ISSN
- 21890110
- 21890102
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- NDL書誌ID
- 029097414
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可