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Expression data of one-week-old rice seedlings exposed to Pi-deficient solution for 6, 24, 48, 72 hours

ABSTRACT: Expression profiles of one-week-old rice seedlings exposed to Pi-deficient solution for 6, 24, 48, 72 hours were monitored by microarray that contains approximately 60,000 rice clones (Affymetrix GeneChip). The probes were prepared from RNAs isolated from rice seedlings exposed to Pi-deficient solution for 6, 24, 48, 72 hours, respectively, and those non-treated controls. For hybridization, two biological replicates were used to extract RNAs from different batches of plants. Rice seedlings were exposed to low phosphate for 6h, 24h, 48h and 72 h, respectively. The Pi-inducible and Pi-repressive genes were taken as the expression ratio (treatment relative to control) greater and less than 2-fold, respectively

ORGANISM(S): Oryza sativa Japonica Group

SUBMITTER: xiaoyan dai 

PROVIDER: E-GEOD-35984 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

OsMYB2P-1, an R2R3 MYB transcription factor, is involved in the regulation of phosphate-starvation responses and root architecture in rice.

Dai Xiaoyan X   Wang Yuanyuan Y   Yang An A   Zhang Wen-Hao WH  

Plant physiology 20120306 1

An R2R3 MYB transcription factor, OsMYB2P-1, was identified from microarray data by monitoring the expression profile of rice (Oryza sativa ssp. japonica) seedlings exposed to phosphate (Pi)-deficient medium. Expression of OsMYB2P-1 was induced by Pi starvation. OsMYB2P-1 was localized in the nuclei and exhibited transcriptional activation activity. Overexpression of OsMYB2P-1 in Arabidopsis (Arabidopsis thaliana) and rice enhanced tolerance to Pi starvation, while suppression of OsMYB2P-1 by RN  ...[more]

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