A Genome-Wide Analysis of Blue-Light Regulation of Arabidopsis Transcription Factor Gene Expression during Seedling Development  | Zendy

Yuling Jiao | Zendy; Hongjuan Yang | Zendy; Ligeng Ma | Zendy; Ning Sun | Zendy; Haiyuan Yu | Zendy; Tie Liu | Zendy; Ying Gao | Zendy; Hongya Gu | Zendy; Zhangliang Chen | Zendy; Masamitsu Wada | Zendy; Mark Gerstein | Zendy; Hongyu Zhao | Zendy; LiJia Qu | Zendy; Xing Wang Deng | Zendy

Open Access

A Genome-Wide Analysis of Blue-Light Regulation of Arabidopsis Transcription Factor Gene Expression during Seedling Development

Author(s) -

Yuling Jiao,

Hongjuan Yang,

Ligeng Ma,

Ning Sun,

Haiyuan Yu,

Tie Liu,

Ying Gao,

Hongya Gu,

Zhangliang Chen,

Masamitsu Wada,

Mark Gerstein,

Hongyu Zhao,

LiJia Qu,

Xing Wang Deng

Publication year - 2003

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.103.029439

Subject(s) - biology , arabidopsis , transcription factor , gene expression , gene , phytochrome , cryptochrome , transcription (linguistics) , regulation of gene expression , genetics , photomorphogenesis , microbiology and biotechnology , mutant , botany , linguistics , philosophy , circadian clock , red light

A microarray based on PCR amplicons of 1864 confirmed and predicted Arabidopsis transcription factor genes was produced and used to profile the global expression pattern in seedlings, specifically their light regulation. We detected expression of 1371 and 1241 genes in white-light- and dark-grown 6-d-old seedlings, respectively. Together they account for 84% of the transcription factor genes examined. This array was further used to study the kinetics of transcription factor gene expression change of dark-grown seedlings in response to blue light and the role of specific photoreceptors in this blue-light regulation. The expression of about 20% of those transcription factor genes are responsive to blue-light exposure, with 249 and 115 genes up or down-regulated, respectively. A large portion of blue-light-responsive transcription factor genes exhibited very rapid expression changes in response to blue light, earlier than the bulk of blue-light-regulated genes. This result suggests the involvement of transcription cascades in blue-light control of genome expression. Comparative analysis of the expression profiles of wild type and various photoreceptor mutants demonstrated that during early seedling development cryptochromes are the major photoreceptors for blue-light control of transcription factor gene expression, whereas phytochrome A and phototropins play rather limited roles.

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