Intraspecific variation in temperature dependency of photoprotective mechanisms

2017 Fiscal Year Final Research Report

• Project/Area Number: 16K18614
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Ecology/Environment
• Research Institution: Tohoku University
• Principal Investigator: Oguchi Riichi 東北大学, 生命科学研究科, 助教 (10632250)
• Project Period (FY): 2016-04-01 – 2018-03-31
• Keywords: 種内変異 / 温度依存性 / 可塑性 / 適応 / 分化 / 生態学

Outline of Final Research Achievements

Intraspecific variation of repair capacity of damaged photosystem was studied using Arabidopsis thaliana ecotypes derived from all over the world with various latitude and altitude. The repair capacity of damaged photosystem in low temperature showed a significant negative correlation with the average temperature of the habitat of each ecotype. This would indicate that A. thaliana populations facing higher photoinhibition stress caused by lower temperature showed adaptation to keep repair capacity of damaged photosystem high even in low temperature.

Free Research Field

植物生態学