Identification and analysis of molecules that function in root hydrotropism for innovation of plant production under drought condition

2016 Fiscal Year Final Research Report

• Project/Area Number: 26870057
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Plant molecular biology/Plant physiology; Science in genetics and breeding
• Research Institution: Tohoku University
• Principal Investigator: Kobayashi Akie 東北大学, 生命科学研究科, 助教 (60463783)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Keywords: 環境応答 / 水分屈性

Outline of Final Research Achievements

By targeted expression studies, I revealed that MIZ1 indispensible for hydrotropism in Arabidopsis roots functions in cortical cells of the elongation zone. Also, laser-ablation experiments showed that hydrotropic response occurs independently of the root cap and meristem. Novel genes directly involved in hydrotropism were not found by microarray analysis, but I established the yeast two-hybrid system for verifying the MIZ1-interactive proteins.

Free Research Field

植物生理学