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GrainGenes Reference Report: PCP-45-945

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Reference	PCP-45-945
Title	GMPOZ, a BTB/POZ domain nuclear protein, is a regulator of hormone responsive gene expression in barley aleurone
Journal	Plant and Cell Physiology
Year	2004
Volume	45
Pages	945-950
Author	Woodger FJ Jacobsen JV Gubler F
Abstract	Summary: GAMYB is a GA-responsive activator of hydrolase gene expression in the aleurone layer of germinated cereal grains. We have isolated a putative GAMYB-binding protein, GMPOZ, which contains a BTB/POZ domain found in certain animal transcriptional regulators. Although BTB/POZ domain proteins are numerous in plants, very few are yet characterized. We found that GMPOZ is nuclear localized and that GMPOZ mRNA is expressed highly in anthers as well as aleurone. Transient silencing of the GMPOZ gene suggests that GMPOZ is involved in hormone responsive gene expression in aleurone
External Databases	Pubmed: 15295078
Keyword	[ Hide all but 1 of 19 ] abscisic acid aleurone alpha-amylase anther development barley barley aleurone btb/poz domain cereal grains domain gamyb gene gibberellic acid gibberellin hormone interacts mrna promoter protoplast transcription factor bpbf

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