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Updated: Feb 19, 2026

Combining Histochemical Staining and Image Analysis to Quantify Starch in the Ovary Primordia of Sweet Cherry during Winter Dormancy
Published on: March 20, 2019
To grow or not to grow, a power-saving program induced in dormant buds
Elena Sánchez Martín-Fontecha1, Carlos Tarancón1, Pilar Cubas1
1Plant Molecular Genetics Department, Centro Nacional de Biotecnología/CSIC, Campus Universidad Autónoma de Madrid, 28049 Madrid, Spain.
Abstract:
Plant shoot branching patterns determine leaf, flower and fruit production, and thus reproductive success and yield. Branch primordia, or axillary buds, arise in the axils of leaves and their decision to either grow or enter dormancy is coordinated at the whole plant level. Comparisons of transcriptional profiles of axillary buds entering dormancy have identified a shared set of responses that closely resemble a Low Energy Syndrome. This syndrome is aimed at saving carbon use to support essential maintenance functions, rather than additional growth, and involves growth arrest (thus dormancy), metabolic reprogramming and hormone signalling. This response is widely conserved in distantly related woody and herbaceous species, and not only underlies but also precedes the growth-to-dormancy transition induced in buds by different stimuli.
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