Models for a molecular calendar of bud-break in fruit trees
| Autor: | Alba Lloret, Carles Quesada-Traver, Gabino Ríos |
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| Rok vydání: | 2022 |
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| Zdroj: | electronico ReDivia. Repositorio Digital del Instituto Valenciano de Investigaciones Agrarias instname |
| Popis: | Fruit tree crops adapt their phenology to seasonality by finely-tuned mechanisms that perceive environmental day-length and chilling to elaborate a diverse and plastic response, with impact on plant survival and fruit production. These plants use the molecular clock and a prolonged succession of epigenetic events, usually involving the participation of MADS-box genes, for respectively sensing changes in photoperiodicity and accumulated chilling time. Both mechanisms overlap and interact in key processes requiring a precise developmental timing, such as flowering and dormancy, and jointly constitute a molecular calendar, with the ability to report about the arrival of the warm season and winter completion. In this review, we address recent progress in the molecular calendar of fruit trees and the molecular models Arabidopsis and Populus, with a focus on epigenetic-related mechanisms, which provide the regulatory plasticity, reversibility and specificity required for seasonal phenological processes. |
| Databáze: | OpenAIRE |
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