Direct links between the vernalization response and other key traits of cereal crops

Weiwei Deng; M. Cristina Casao; Penghao Wang; Kazuhiro Sato; Patrick M. Hayes; E. Jean Finnegan; Ben Trevaskis

doi:10.1038/ncomms6882

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Direct links between the vernalization response and other key traits of cereal crops

Journal article

Open access

Peer reviewed

Direct links between the vernalization response and other key traits of cereal crops

Weiwei Deng, M. Cristina Casao, Penghao Wang, Kazuhiro Sato, Patrick M. Hayes, E. Jean Finnegan and Ben Trevaskis

Nature communications, Vol.6, 5882

2015

DOI: https://doi.org/10.1038/ncomms6882

PMID: 25562483

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Abstract

Transcription of the VERNALIZATION1 gene (VRN1) is induced by prolonged cold (vernalization) to trigger flowering of cereal crops, such as wheat and barley. VRN1 encodes a MADS box transcription factor that promotes flowering by regulating the expression of other genes. Here we use transcriptome sequencing (RNA-seq) and chromatin immunoprecipitation sequencing (ChIP-seq) to identify direct targets of VRN1. Over 500 genomic regions were identified as potential VRN1-binding targets by ChIP-seq. VRN1 binds the promoter of FLOWERING LOCUS T-like 1, a promoter of flowering in vernalized plants. VRN1 also targets VERNALIZATION2 and ODDSOC2, repressors of flowering that are downregulated in vernalized plants. RNA-seq identified additional VRN1 targets that might play roles in triggering flowering. Other targets of VRN1 include genes that play central roles in low-temperature-induced freezing tolerance, spike architecture and hormone metabolism. This provides evidence for direct regulatory links between the vernalization response pathway and other important traits in cereal crops.

Details

Title: Direct links between the vernalization response and other key traits of cereal crops
Authors/Creators: Weiwei Deng - Commonwealth Scientific and Industrial Research Organisation
M. Cristina Casao - Commonwealth Scientific and Industrial Research Organisation
Penghao Wang - Commonwealth Scientific and Industrial Research Organisation
Kazuhiro Sato - Okayama University
Patrick M. Hayes - Oregon State University
E. Jean Finnegan - Commonwealth Scientific and Industrial Research Organisation
Ben Trevaskis - Commonwealth Scientific and Industrial Research Organisation
Publication Details: Nature communications, Vol.6, 5882
Publisher: Springer Nature
Number of pages: 8
Grant note: CSIRO Bioinformatics CSIRO Office of the Chief Executive; Commonwealth Scientific & Industrial Research Organisation (CSIRO) Philippe Moncuquet
Identifiers: 991005569355007891
Copyright: © 2015 Macmillan Publishers Limited
Murdoch Affiliation: Centre for Crop and Food Innovation
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.4 Crop Science; 3.4.96 QTL
Web Of Science research areas: Plant Sciences
ESI research areas: Plant & Animal Science