Research Project
Grant-in-Aid for Scientific Research (B)
How do plant species accomplish a successful reproduction to produce next generations? This is a long-term issue for plant biologists to be solved since T. Knight and C. Darwin found a basis of this attractive plant reproduction system. In this research project, we focus on a molecular mechanism of the self-incompatibility in Arabidopsis thaliana, as a model of self/non-self recognition mechanism on plant reproduction. By a combination of genetic and reverse genetic analyses, we found that a downstream system, after self/non-self pollen recognition, is controlled by multiple and hierarchical mechanisms and pollen rejection is synergistically regulated by pollen acceptance mechanisms, such as water transport and pollen tube germination, on pollination.
植物が種の存続と繁栄を両立させるために進化の過程で獲得した生殖戦略メカニズムである自家不和合性は、トーマス・ナイトやチャールズ・ダーウィンによる提唱から140年を経た現在においてもその分子メカニズムはほとんど解明されていない。このような歴史的背景に対し、本研究はその本質を司る因子と分子メカニズムの一端を明らかにした。本成果は、受粉人為コントロールや自家不和合性安定化によるアブラナ科野菜の新採種技術確立のための情報基盤として波及できる。
All 2019 2018 2017 2016 Other
All Int'l Joint Research (3 results) Journal Article (5 results) (of which Int'l Joint Research: 2 results, Peer Reviewed: 5 results, Open Access: 5 results, Acknowledgement Compliant: 2 results) Presentation (18 results) (of which Int'l Joint Research: 11 results, Invited: 4 results)
Genes & Genetic Systems
Volume: 94 Issue: 4 Pages: 167-176
10.1266/ggs.19-00010
130007738050
Volume: 93 Issue: 5 Pages: 209-220
10.1266/ggs.18-00025
130007547247
Nature Plants
Volume: 3 Issue: 7 Pages: 17096-17096
10.1038/nplants.2017.96
Volume: 91 Issue: 2 Pages: 97-109
10.1266/ggs.15-00056
130005421208
Volume: 91 Issue: 2 Pages: 111-125
10.1266/ggs.15-00065
130005421205