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Phototropin switches between cis- and trans-autophosphorylation in light-induced chloroplast relocation in Marchantia polymorpha
Get PDFText学術雑誌論文 / Journal ArticleIn the accumulation response, chloroplasts move toward weak blue light (BL) to maximize photosynthetic efficiency; in the avoidance response, they move away from strong BL to reduce photodamage. The BL receptor kinase phototropin (phot) mediates these chloroplast relocation responses, and the chloroplast relocation response requires phot kinase activity. Upon receiving BL, phot undergoes autophosphorylation; however, the molecular mechanisms that regulate chloroplast relocation through phot autophosphorylation remain unclear. In this study, we conducted biochemical experiments using phot in the liverwort Marchantia polymorpha and revealed that phot employs cis-autophosphorylation under weak BL and both cis- and trans-autophosphorylation under strong BL. Inhibiting trans-autophosphorylation reduced phot autophosphorylation and suppressed the avoidance response, but not the accumulation response. These findings suggest that phot employs two modes of autophosphorylation to alternate between the accumulation and avoidance responses in plants.This is the pre-peer reviewed version of the following article: "Phototropin switches between cis- and trans-autophosphorylation in light-induced chloroplast relocation in Marchantia polymorpha", which has been published in final form at https://doi.org/10.1111/tpj.17183 . This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.journal articl
Project Newsletter, Supporting Program on Activation of Child Education through Collaboration with Youth Generation in Tea Plantation of Sri Lanka
Get PDFText紀要論文 / Depaetmental Bulletin PaperVol.2-12, 14departmental bulletin pape
Communal Eating and Well-Being: An Examination of the Potential and Challenges of Meal Sketch Survey Methods
Get PDFtext紀要論文 / Departmental Bulletin PaperThis study aims to examine the relationship between communal eating and well-being among Tanzanian children using a meal sketch survey method. This paper explores this research method, a form of drawing analysis, to provide insights that will benefit future studies. The meal sketch method captures subjective perspectives, aiding in cross-cultural comparison, yet presents challenges. Interpretation can be subjective, requiring skilled analysis, and maintaining consistent instructions across study sites is crucial. Additionally, supplementary data collection, like questionnaires or interviews, is needed to enhance reliability and provide context, ensuring the sketches accurately reflect participantsʼ views on communal eating and well-being.departmental bulletin pape
国際的な⼈材育成に向けたインタラクティブ・ティーチング：国際⼈道法の理論と実践
Get PDFText紀要論文 / Depaetmental Bulletin Paperdepartmental bulletin pape
農業科教育法の理論と実践に関する研究～農業教育における学校農業クラブ活動の位置付けと栃木県内農業高等学校の状況～
Get PDFText紀要論文 / Departmental Bulletin Paperdepartmental bulletin pape