Root–shoot communication in tomato plants: cytokinin as a signal molecule modulating leaf photosynthetic activity

Author:

Glanz-Idan Noga1,Tarkowski Petr23,Turečková Veronika4,Wolf Shmuel1

Affiliation:

1. The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot, Israel

2. Centre of the Region Haná for Biotechnological and Agricultural Research, Department of Phytochemistry, Faculty of Science, Palacky University, Šlechtitelů 27, Olomouc, Czech Republic

3. Centre of the Region Haná for Biotechnological and Agricultural Research, Department of Genetic Resources for Vegetables, Medicinal and Special Plants, Crop Research Institute, Šlechtitelů 29, Olomouc, Czech Republic

4. Laboratory of Growth Regulators, The Czech Academy of Sciences, Institute of Experimental Botany & Palacký University, Šlechtitelů 27, Olomouc, Czech Republic

Abstract

Partial defoliation up-regulated photosynthesis and down-regulated expression of sucrose export-related genes in tomato leaves, and increased trans-zeatin riboside in the roots, implicating this cytokinin in root–shoot signaling.

Funder

Israeli Ministry of Agriculture and Rural Development

Uri Kinamon Foundation

Ministry of Agriculture, Czech Republic

Publisher

Oxford University Press (OUP)

Subject

Plant Science,Physiology

Reference50 articles.

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3. The problem of halting enzyme action when extracting plant tissues;Bieleski;Analytical Biochemistry,1964

4. Effects of phosphorus nutrition on ribulose‐1,5‐biphosphate carboxylase activation, photosynthetic quantum yield and amounts of some Calvin‐cycle metabolites in spinach leaves;Brooks;Australian Journal of Plant Physiology,1986

5. Source–sink interaction: a century old concept under the light of modern molecular systems biology;Chang;Journal of Experimental Botany,2017

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