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Flowering time: from physiology, through genetics to mechanism.

Maple, Robert; Zhu, Pan; Hepworth, Jo; Wang, Jia-Wei; Dean, Caroline

Flowering time: from physiology, through genetics to mechanism. Thumbnail


Authors

Robert Maple

Pan Zhu

Jia-Wei Wang

Caroline Dean



Abstract

Plant species have evolved different requirements for environmental/endogenous cues to induce flowering. Originally, these varying requirements were thought to reflect the action of different molecular mechanisms. Thinking changed when genetic and molecular analysis in Arabidopsis thaliana revealed that a network of environmental and endogenous signalling input pathways converge to regulate a common set of 'floral pathway integrators'. Variation in the predominance of the different input pathways within a network can generate the diversity of requirements observed in different species. Many genes identified by flowering time mutants were found to encode general developmental and gene regulators, with their targets having a specific flowering function. Studies of natural variation in flowering were more successful at identifying genes acting as nodes in the network central to adaptation and domestication. Attention has now turned to mechanistic dissection of flowering time gene function and how that has changed during adaptation. This will inform breeding strategies for climate-proof crops and help define which genes act as critical flowering nodes in many other species. [Abstract copyright: © The Author(s) 2024. Published by Oxford University Press on behalf of American Society of Plant Biologists.]

Citation

Maple, R., Zhu, P., Hepworth, J., Wang, J., & Dean, C. (2024). Flowering time: from physiology, through genetics to mechanism. Plant Physiology, Article kiae109. https://doi.org/10.1093/plphys/kiae109

Journal Article Type Article
Acceptance Date Feb 12, 2024
Online Publication Date Feb 28, 2024
Publication Date Feb 28, 2024
Deposit Date Apr 22, 2024
Publicly Available Date Apr 22, 2024
Journal Plant physiology
Print ISSN 0032-0889
Publisher Oxford University Press
Peer Reviewed Peer Reviewed
Article Number kiae109
DOI https://doi.org/10.1093/plphys/kiae109
Public URL https://durham-repository.worktribe.com/output/2330581

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