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E-GEOD-58007

ABSTRACT: Transcription profiling by array of rice OsRDR1 mutant

PROVIDER: E-GEOD-58007 | ExpressionAtlas | 2015-11-26

REPOSITORIES: ExpressionAtlas

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			Action	DRS
	E-GEOD-58007-analysis-methods.tsv	Tabular
	E-GEOD-58007-atlasExperimentSummary.Rdata	Rdata
	E-GEOD-58007-configuration.xml	Xml
	E-GEOD-58007-percentile-ranks.tsv	Tabular
	E-GEOD-58007.condensed-sdrf.tsv	Tabular

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Project description:The profiling was conducted with the Rice 3'-Tiling 135k Microarray designed from 31,439 genes deposited at IRGSP, RAP2 database (http://rapdb.lab.nig.ac.jp). We have identified and characterized a T-DNA insert rice mutant (Osfuct) with loss of α1,3-fucosyltransferase function. Matrix-assisted laser desorption/ionization time-of-flight analyses of the N-glycan revealed the lack of α1,3-fucose in the N-glycan structure of rice Osfuct mutant. The mutant displayed the pleiotropic developmental defects such as diminished growth, shorter plant height, less number of tillers, shorter panicle lengths and internode, impaired anther and pollen development. In addition, the anther was curved, pollen grains shapes were shriveled, pollen viability and pollen number per anther was dramatically decreased in Osfuct mutant. The complementation test of Osfuct mutant clearly exhibited that the phenotype is caused by the loss of α1,3-fucosyltransferase function bescause complementation line is rescued. Transcriptome profiling data revealed that several genes essential in plant developmental processes were significantly altered in Osfuct mutant including protein kinases, transcription factors, genes involved in metabolism, genes related to protein synthesis and hypothetical proteins. Moreover, Osfuct mutant exhibited the enhanced salt insensitivity. Taken together, these findings demonstrated that Osfuct plays a critical role in growth, anther, pollen development and salt stress response.

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