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2021 Fiscal Year Final Research Report

Whole genome analysis to investigate the hybridization process between Japanese indigenous citrus and foreign derived citrus

Research Project

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Project/Area Number 18K05623
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 39030:Horticultural science-related
Research InstitutionSaga University

Principal Investigator

NAGANO Yukio  佐賀大学, 総合分析実験センター, 准教授 (00263038)

Co-Investigator(Kenkyū-buntansha) 山本 雅史  鹿児島大学, 農水産獣医学域農学系, 教授 (00305161)
古藤田 信博  佐賀大学, 農学部, 准教授 (50355426)
Project Period (FY) 2018-04-01 – 2022-03-31
Keywordsカンキツ / タチバナ / シークヮーサー / 日本固有 / ゲノム
Outline of Final Research Achievements

cultivated species that may have been formed as a result of hybridization between Japanese indigenous citrus and those of foreign origin, and investigated the history of Citrus species in Japan. As a result, we found that more than 10 Japanese indigenous Citrus species were generated by hybridization between "a genetically related group of foreign-derived Citrus species (a group consisting of various cultivated species formed due to hybridization between mandarin and pummelo)" and "a genetically related group of Japanese indigenous cCitrus species (tachibana and shiikwaasa)".

Free Research Field

ゲノム科学

Academic Significance and Societal Importance of the Research Achievements

カンキツは、特によく利用される果樹である。海外に由来するカンキツの栽培種の他に、我が国に元々自生するカンキツが利用されている。海外由来カンキツと日本固有カンキツに関係を探ったのが本研究であり、その結果、興味深い知見がいくつかわかった。これら知見を活用して、各地の在来カンキツをアピールして、これらカンキツに付加価値をつけることが期待できる。また、本研究の成果は、カンキツの育種にも活用できる。

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Published: 2023-01-30  

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