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J-GLOBAL ID：200901068613753321 Update date: Mar. 26, 2025

Ishikawa Ryo

イシカワリョウ | Ishikawa Ryo

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Affiliation and department：
Job title： Associate Professor

Research field (1)： Plant genetics and breeding

Research keywords (1)：植物育種学

Research theme for competitive and other funds (24)：

2024 - 2029 野生種遺伝資源を活用した熱帯アジアにおけるイネの生産性の向上
2023 - 2028 Study on Anthropogenic Environmental Formation by Prehistoric Humans (Flora)
2024 - 2027 栽培イネが獲得した種子の非脱粒性の遺伝基盤解明と育種への活用
2023 - 2027 栽培イネが獲得した種子の非脱粒性の遺伝基盤解明と育種への活用
2022 - 2026 Towards the utilization of genetic resources in the original countries by using local rice varieties collected more than half-century ago

2022 - 2026 半世紀以上眠るイネ在来品種遺伝資源の凱旋復活に向けて

2022 - 2025 Searching for genetic loci derived from salt-tolerant rice, which contribute to circumventing toxicity of Na+ and Cl-

2021 - 2025 アフリカのイネジーンプールに潜在する有用遺伝子の計画的利用に向けた種間雑種戦略

2021 - 2024 栽培イネに秘められた雑草魂とは?

2021 - 2023 二国間交流「植物分子遺伝学と植物考古学の相互評価によるイネ栽培化過程の検証」

2018 - 2022 野生イネの形態に学ぶ持続的病害抵抗性の再構築と活用

2018 - 2021 Identification of the responsible genes that govern Na and Cl accumulation in leaves of rice under salinity stress

2018 - 2021 Detection of novel loci involved in reduced seed-shattering behaviour in cultivated rice and their application for increasing yield

2017 - 2020 Property of rice blast resistances gene with a moderately resistant phenotype of wild rice

2016 - 2020 Improvement of sustainability for crop production and development of next-generation plant resource through gene circulation between relative species

2015 - 2019 Evaluation of the process of rice domestication based on loss of seed shattering(Fostering Joint International Research)

2015 - 2018 Identification of genetic loci in relation to salt tolerance of rice using wild rice and development of breeding basis toward the production of resistant cultivars

2014 - 2018 Clarification of genes related to key traits in the early stage of rice domestication

2014 - 2017 Clarification of gene flow between wild and cultivated rice in tropical Asian countries

2014 - 2017 Evaluation of rice domestication by loss of seed shattering

2014 - 2016 二国間交流「植物分子遺伝学と植物考古学の相互評価によるイネ栽培化過程の検証」

2011 - 2013 Toward the understanding of the regulation of seed shattering habit in cereal plants using wild species

2009 - 2010 Analysis of OsMADS87 in the control of cellularization and reproductive barrier in the endosperm obtained from rice interspecific crosses

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Papers (54)：

Zin Mar Myint, Yohei Koide, Wakana Takanishi, Tomohito Ikegaya, Choi Kwan, Kiwamu Hikichi, Yoshiki Tokuyama, Shuhei Okada, Kazumitsu Onishi, Ryo Ishikawa, et al. OlCHR, encoding a chromatin remodeling factor, is a killer causing hybrid sterility between rice species Oryza sativa and O. longistaminata. iScience. 2024
Evaluation of agricultural characteristics among local rice varieties collected more than half-century ago in Indochinese countries. Journal of Crop Research. 2024. 69. 1-7
Ryo Ishikawa. Genetic dissection of a reduced seed-shattering trait acquired in rice domestication. Breeding Science. 2024. 74. 4. 285-294
Phuong Dang Thai Phan, Akinori Nishimura, Chika Yamamoto, Pham Thien Thanh, Toshihiro Niwa, Yaddehige Priya Jayantha Amarasinghe, Ryo Ishikawa, Takashige Ishii. Wild and cultivated allele effects on rice phenotypic traits in reciprocal backcross populations between Oryza rufipogon and two cultivars, O. sativa Nipponbare and IR36. Breeding Science. 2023. 73. 4. 373-381
Koji Numaguchi, Tomoaki Kashiwamoto, Ryo Ishikawa, Takashige Ishii, Yuto Kitamura. Genome-Wide Association Study Detects Loci Involved in Scab Susceptibility in Japanese Apricot. Horticulturae. 2023. 9. 8

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MISC (31)：

Toward increasing grain zinc concentration in rice. 2025. 9. 4. 58-59
Ishikawa Ryo, Yamagata Yoshiyuki, Koide Yohei, Ishii Takashige, Ishikawa Ryuji, Akimoto Masahiro, Tsuda Katsutoshi, Fujita Daisuke. The attraction of genus Oryza. Breeding Research. 2023. advpub
Detection of novel locus involved in non-seed-shattering behavior of cultivated rice using wild rice accession. 2020. 4. 7. 91-92
平尾愛喜, 藤田大輔, 石川亮, 小出陽平, 安井秀, 山形悦透. Evaluation of genetic diversity by resequencing of a diversity panel of African rice (Oryza glaberrima). 育種学研究. 2020. 22
Utility of Oryza meridionalis in rice breeding: increasing grain zinc concentration. 2019. 3. 1. 45-46

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Books (3)：

アフロ・ユーラシアの考古植物学
クバプロ 2019
Rice Genomics, Genetics and Breeding - Domestication loci controlling panicle shape, seed shattering and seed awning
Springer 2018
DNA methylation; principles, mechanisms and challenges
Nova Science 2012

Lectures and oral presentations (119)：

Target capture法に基づく日本と中国のウメの集団構造および系統関係について
(園芸学会平成30年度秋季大会 2019)
QTL analysis for awnlessness using a backcross population between Oryza rufipogon and O. sativa IR36
(近畿作物・育種研究会第186回例会 2018)
野生イネOryza meridionalisを用いて同定されたイネ種子亜鉛濃度を支配するqGZn9は連鎖した2つの遺伝子座によって制御される
(日本育種学会第134回講演会 2018)
穂の開帳性が栽培イネ(Oryza sativa)の穂形態に与える影響について
(日本育種学会第134回講演会 2018)
熱帯アジアにおける栽培イネから野生イネへの遺伝子流動について
(日本育種学会第134回講演会 2018)

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Education (1)：

- 2007 Nara Institute of Science and Technology Graduate School of Biological Sciences

Professional career (2)：

修士 (奈良先端科学技術大学院大学)
博士 (奈良先端科学技術大学院大学)

Committee career (3)：

2024/04 - 現在日本育種学会会計担当
2020/12 - 現在 Genetica Editorial Board of Genetica
2014/04 - 2016/03 近畿作物育種学会シンポジウム委員

Awards (7)：

2023/10 - 神戸大学農学部六篠会六篠論文賞
2018/09 - 日本育種学会第134回講演会日本育種学会優秀発表賞 (2) Exomeと果実・葉形状にみる日本のウメの多様性
2018/09 - 日本育種学会第134回講演会日本育種学会優秀発表賞ジャポニカ型栽培イネ(日本晴)の非脱粒性に関与する新規遺伝子座の離層形成への効果
2017/11 - 公益財団法人農学会第16回日本農学進歩賞栽培イネの成立に関与した遺伝子の同定と栽培化過程の解明
2016/09 - 日本育種学会第130回講演会日本育種学会優秀発表賞 Oryza rufipogonとインディカ型栽培イネ(カサラス)の戻し交雑集団を用いた種子脱粒性に関する新規遺伝子座の探索

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Association Membership(s) (1)：

日本育種学会

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