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Author Desai J.S., Lawas L.M.F., Valente A.M., Leman A.R., Grinevich D.O., Jagadish S.V.K., Doherty C.J.
Title Warm nights disrupt transcriptome rhythms in field-grown rice panicles.
Abstract:
In rice, a small increase in nighttime temperature reduces grain yield and quality. How warm nighttime temperatures (WNT) produce these detrimental effects is not well understood, especially in field conditions where the typical day-to-night temperature fluctuation exceeds the mild increase in nighttime temperature. We observed genome-wide disruption of gene expression timing during the reproductive phase in field-grown rice panicles acclimated to 2 to 3 °C WNT. Transcripts previously identified as rhythmically expressed with a 24-h period and circadian-regulated transcripts were more sensitive to WNT than were nonrhythmic transcripts. The system-wide perturbations in transcript levels suggest that WNT disrupt the tight temporal coordination between internal molecular events and the environment, resulting in reduced productivity. We identified transcriptional regulators whose predicted targets are enriched for sensitivity to WNT. The affected transcripts and candidate regulators identified through our network analysis explain molecular mechanisms driving sensitivity to WNT and identify candidates that can be targeted to enhance tolerance to WNT.
Journal Proc. Natl. Acad. Sci. U.S.A.
Country unknown
Volume 118(25)
Pages
Year 2021
PubMed ID 34155145
PubMed Central ID 8237568
DOI 10.1073/pnas.2025899118
URL -
Relation
Gene ABA1 BMY6 C3H54 CXC2 EHD4 GGP HD3B LCD1 LHCB2.1 PIL13 PRR95 RDD2 RDD4 SPL12 STO
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Lethal Embryo
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- Muant Lines (Gene) 		-
Cultivated Varieties(NIG Collection) -
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/rice/oryzabase