Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of Arabidopsis nst1-1 nst3-1 mutants


ABSTRACT: Wood is one of the most important and enormous biomass that is widely used in our life. It is formed by successive addition of secondary xylem that develops continuously from cambium. The transcriptome of nst1 nst3 “double-knockout” lines was examined to know the effect of mutations on wood formation. Experiment Overall Design: Total RNA was extracted from the base 4 cm part of inflorescence stems whose heights were between 12 and 17 cm of three independent nst1-1 nst3-1 double T-DNA tagged lines and the whole transcriptome was compared with that of wild-type plant.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Nobuitaka Mitsuda 

PROVIDER: E-GEOD-5187 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

NAC transcription factors, NST1 and NST3, are key regulators of the formation of secondary walls in woody tissues of Arabidopsis.

Mitsuda Nobutaka N   Iwase Akira A   Yamamoto Hiroyuki H   Yoshida Masato M   Seki Motoaki M   Shinozaki Kazuo K   Ohme-Takagi Masaru M  

The Plant cell 20070119 1


Wood is formed by the successive addition of secondary xylem, which consists of cells with a conspicuously thickened secondary wall composed mainly of lignin and cellulose. Several genes involved in lignin and cellulose biosynthesis have been characterized, but the factors that regulate the formation of secondary walls in woody tissues remain to be identified. In this study, we show that plant-specific transcription factors, designated NAC SECONDARY WALL THICKENING PROMOTING FACTOR1 (NST1) and N  ...[more]

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