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2015 Fiscal Year Final Research Report

Molecular understanding of acid soil tolerance based on genome-wide association study.

Research Project

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Project/Area Number 24688009
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypePartial Multi-year Fund
Research Field Plant nutrition/Soil science
Research InstitutionGifu University

Principal Investigator

Kobayashi Yuriko  岐阜大学, 応用生物科学部, 助教 (40610952)

Project Period (FY) 2012-04-01 – 2016-03-31
Keywordsアルミニウム耐性 / プロトン耐性 / 酸性土壌耐性 / ゲノムワイド関連解析 / 遺伝子多型 / ナチュラルバリエーション / シロイヌナズナ / AtALMT1
Outline of Final Research Achievements

In the acid soil of world arable land, mainly Aluminum and proton inhibit the crop growth of crop. In the present study, we conducted genome-wide association study (GWAS) for Al- and proton stress tolerance using approximately 200,000 SNPs among 200 Arabidopsis accessions. In the results, we detected over 100 gene regions which explain approximately 70% of variation in both Al- and proton-tolerance, and then we identified novel genes associated with the Al tolerance. In addition, we revealed that some polymorphisms in the promoter region of AtALMT1 gene are involved in the Al tolerance.

Free Research Field

植物栄養学・土壌学

URL: 

Published: 2017-05-10  

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