Warm temperature-triggered developmental reprogramming requires VIL1-mediated, genome-wide H3K27me3 accumulation in Arabidopsis
- Authors
- Kim, Junghyun; Bordiya, Yogendra; Xi, Yanpeng; Zhao, Bo; Kim, Dong-Hwan; Pyo, Youngjae; Zong, Wei; Ricci, William A.; Sung, Sibum
- Issue Date
- Mar-2023
- Publisher
- COMPANY BIOLOGISTS LTD
- Keywords
- Climate change; Histone H3 lysine 27 trimethylation; Polycomb repressive complex 2; Thermo-morphogenesis; VERNALIZATION INSENSITIVE 3 LIKE 1
- Citation
- DEVELOPMENT, v.150, no.5
- Journal Title
- DEVELOPMENT
- Volume
- 150
- Number
- 5
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/68069
- DOI
- 10.1242/dev.201343
- ISSN
- 0950-1991
1477-9129
- Abstract
- Changes in ambient temperature immensely affect developmental programs in many species. Plants adapt to high ambient growth temperature in part by vegetative and reproductive developmental reprogramming, known as thermo-morphogenesis. Thermo-morphogenesis is accompanied by massive changes in the transcriptome upon temperature change. Here, we show that transcriptome changes induced by warm ambient temperature require VERNALIZATION INSENSITIVE 3-LIKE 1 (VIL1), a facultative component of the Polycomb repressive complex PRC2, in Arabidopsis. Warm growth temperature elicits genome-wide accumulation of H3K27me3 and VIL1 is necessary for the warm temperature-mediated accumulation of H3K27me3. Consistent with its role as a mediator of thermo-morphogenesis, loss of function of VIL1 results in hypo-responsiveness to warm ambient temperature. Our results show that VIL1 is a major chromatin regulator in responses to high ambient temperature.
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