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Article

Cotranscriptional splicing is required in the cold to produce COOLAIR isoforms that repress Arabidopsis FLC.

Proceedings of the National Academy of Sciences of the United States of America - 19 Nov 2024

Long Xiaogang, Cai Yajun, Wang Huamei, Liu Yue, Huang Xiaoyi, Xuan Hua, Li Wenjuan, Zhang Xiaoling, Zhang Hongya, Fang Xiaofeng, He Hang, Xu Guoyong, Dean Caroline, Yang Hongchun

Abstract excerpt

Plants use seasonal cold to time the transition to reproductive development. Short- and long-term cold exposure is registered via parallel transcriptional shutdown and Polycomb-dependent epigenetic silencing of the Arabidopsis thaliana major flowering repressor locus FLOWERING LOCUS C (FLC). The cold-induced antisense transcripts (COOLAIR) determine the dynamics of FLC transcriptional shutdown, but the...

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PMID: 39546565
DOI: 10.1073/pnas.2407628121
PMCID: PMC11588071

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SMU1

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Cotranscriptional splicing is required in the cold to produce COOLAIR isoforms that repress Arabidopsis FLC.PMID 39546565Read ↗

Functional consequences of splicing of the antisense transcript COOLAIR on FLC transcription.Semantic proximity Read ↗

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Antisense-mediated FLC transcriptional repression requires the P-TEFb transcription elongation factor.Semantic proximity Read ↗

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Epigenetic maintenance of the vernalized state in Arabidopsis thaliana requires LIKE HETEROCHROMATIN PROTEIN 1.Semantic proximity Read ↗

The PHD finger protein VRN5 functions in the epigenetic silencing of Arabidopsis FLC.Semantic proximity Read ↗

Flowering Locus C's Lessons: Conserved Chromatin Switches Underpinning Developmental Timing and Adaptation.Semantic proximity Read ↗

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Multiple FLC haplotypes defined by independent cis-regulatory variation underpin life history diversity in Arabidopsis thaliana.Semantic proximity Read ↗

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Noncoding SNPs influence a distinct phase of Polycomb silencing to destabilize long-term epigenetic memory at Arabidopsis FLC.Semantic proximity Read ↗

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