Analysis of plant mineral transport mechanism using simultaneous multinuclide imaging system

2017 Fiscal Year Final Research Report

• Project/Area Number: 15K07333
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Plant nutrition/Soil science
• Research Institution: University of Tsukuba
• Principal Investigator: FURUKAWA Jun 筑波大学, 生命環境系, 准教授 (40451687)
• Research Collaborator: NODA Yusaku
• Project Period (FY): 2015-04-01 – 2018-03-31
• Keywords: 元素動態 / コンプトンカメラ / GREI / 大気Micro-PIXE / ミヤコグサ / 鉄 / 亜鉛

Outline of Final Research Achievements

In the simultaneous imaging of multiple nuclides using GREI technique, Fe-59, Zn-65 and Cs-137 were absorbed from the root of Lotus japonicus. The results of non-invasive image analysis and quantitative measurement of each tissue had a good correlation and the reliability of gamma-ray imaging is confirmed.
As for the mechanisms of multi-elements accumulation in L. japonicus line B-129, the activity of iron transport from root to shoot was decreased similar to the metal accumulating Arabidopsis, frd3 mutant. However, in B-129, such a loss of iron transport function does not induce the accumulation of multiple elements directly. It was suggested that the mechanisms responsible for the each element transport, not for iron only, are involved in the multi-elements accumulation in B-129.

Free Research Field

植物栄養学