Unknown,Transcriptomics,Genomics,Proteomics

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Expression data from after-ripened wheat seeds imbibed in ABA


ABSTRACT: Wheat seed germination and seminal root growth can be inhibited by treatment with exogenous ABA We used Affymetrix GeneChip Wheat Genome Array to detail transcriptional programs affected by ABA during imbibition After-ripened seeds imbibed in ABA for 24 h were used for RNA extraction and hybridization on Affymetrix GeneChip. After-ripened seeds were generated by storing dormant seeds at room temperature for 10 months.

ORGANISM(S): Triticum aestivum

SUBMITTER: Belay Ayele 

PROVIDER: E-GEOD-32409 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Regulation of wheat seed dormancy by after-ripening is mediated by specific transcriptional switches that induce changes in seed hormone metabolism and signaling.

Liu Aihua A   Gao Feng F   Kanno Yuri Y   Jordan Mark C MC   Kamiya Yuji Y   Seo Mitsunori M   Ayele Belay T BT  

PloS one 20130220 2


Treatments that promote dormancy release are often correlated with changes in seed hormone content and/or sensitivity. To understand the molecular mechanisms underlying the role of after-ripening (seed dry storage) in triggering hormone related changes and dormancy decay in wheat (Triticum aestivum), temporal expression patterns of genes related to abscisic acid (ABA), gibberellin (GA), jasmonate and indole acetic acid (IAA) metabolism and signaling, and levels of the respective hormones were ex  ...[more]

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