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Seasons and shape: inflorescences from autumn to summer
Pablo González-Suárez1, Thomas Lock2, Steve Penfield2
1Department of Developmental Genetics, Centre for Plant Molecular Biology (ZMBP), Eberhard Karls University, Tuebingen, Germany.
Journal of Experimental Botany
|July 1, 2025
Summary
Temperature significantly impacts flowering plant inflorescence development, influencing reproductive success. Understanding these mechanisms is crucial for developing climate-resilient crops.
Area of Science:
- Plant Biology
- Developmental Biology
- Agricultural Science
Background:
- Flowering plants utilize inflorescences for reproduction, with architecture adaptable to environmental conditions.
- Inflorescence development is governed by meristems, which respond to environmental cues like temperature.
- Temperature fluctuations affect plant development, influencing reproductive output and crop yield.
Purpose of the Study:
- To review the mechanisms by which temperature regulates inflorescence development in model and crop species, particularly Brassicaceae.
- To highlight gaps in understanding temperature's influence on post-floral transition developmental stages.
- To assess the applicability of findings from model species to crop breeding for climate resilience.
Main Methods:
- Literature review focusing on temperature regulation of inflorescence development.
- Analysis of studies on model species (e.g., Arabidopsis) and crop species within the Brassicaceae family.
- Examination of seasonal effects on apical meristem trajectory and branch outgrowth.
Main Results:
- Temperature is a key regulator of the floral transition in plants.
- Significant knowledge gaps exist regarding temperature's control over subsequent inflorescence developmental transitions.
- Gene networks identified in controlled conditions may not fully represent field performance in crops.
Conclusions:
- Temperature profoundly influences plant reproductive development, from floral transition to inflorescence architecture.
- Current understanding of temperature's role in later developmental stages is limited.
- Translating findings from model organisms to crop breeding for climate resilience requires further investigation into field-context gene function.
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