期刊
PLANT CELL AND ENVIRONMENT
卷 42, 期 3, 页码 762-770出版社
WILEY
DOI: 10.1111/pce.13373
关键词
chromatin; cold; epigenetics; heat; memory; nucleosome remodelling; polycomb; priming; trithorax
资金
- Deutsche Forschungsgemeinschaft [CRC973]
For successful growth and development, plants constantly have to gauge their environment. Plants are capable to monitor their current environmental conditions, and they are also able to integrate environmental conditions over time and store the information induced by the cues. In a developmental context, such an environmental memory is used to align developmental transitions with favourable environmental conditions. One temperature-related example of this is the transition to flowering after experiencing winter conditions, that is, vernalization. In the context of adaptation to stress, such an environmental memory is used to improve stress adaptation even when the stress cues are intermittent. A somatic stress memory has now been described for various stresses, including extreme temperatures, drought, and pathogen infection. At the molecular level, such a memory of the environment is often mediated by epigenetic and chromatin modifications. Histone modifications in particular play an important role. In this review, we will discuss and compare different types of temperature memory and the histone modifications, as well as the reader, writer, and eraser proteins involved.
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