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首页> 外文期刊>Journal of Experimental Botany >Control of flowering by ambient temperature
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Control of flowering by ambient temperature

机译：通过环境温度控制开花

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The timing of flowering is a crucial decision in the life cycle of plants since favourable conditions are needed to maximize reproductive success and, hence, the survival of the species. It is therefore not surprising that plants constantly monitor endogenous and environmental signals, such as day length (photoperiod) and temperature, to adjust the timing of the floral transition. Temperature in particular has been shown to have a tremendous effect on the timing of flowering: the effect of prolonged periods of cold, called the vernalization response, has been extensively studied and the underlying epigenetic mechanisms are reasonably well understood in Arabidopsis thaliana. In contrast, the effect of moderate changes in ambient growth temperature on the progression of flowering, the thermosensory pathway, is only starting to be understood on the molecular level. Several genes and molecular mechanisms underlying the thermosensory pathway have already been identified and characterized in detail. At a time when global temperature is rising due to climate change, this knowledge will be pivotal to ensure crop production in the future.
机译：开花的时机是植物生命周期中的关键决定因素，因为需要有利的条件才能最大程度地繁殖成功，从而使物种的生存最大化。因此，植物不断监测内源和环境信号（例如日长（光周期）和温度）来调节花序过渡的时间就不足为奇了。特别是温度已经显示出对开花时间有巨大影响：长期的寒冷（称为春化反应）的影响已得到广泛研究，并且拟南芥中的表观遗传机制得到了充分的理解。相比之下，环境生长温度的适度变化对开花进展（热感途径）的影响只是在分子水平上才开始被理解。已经确定并详细表征了热传感途径的几种基因和分子机制。在全球温度因气候变化而升高的时候，这一知识对于确保未来的作物生产至关重要。

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