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Transcription profiling by array of Arabidopsis thaliana stems to investigate the transcriptome of myb103 mutants to better understand the mechanism underlying MYB103 action

ABSTRACT: Two null mutants of MYB103 were found to have decreased expression of FERULATE-5-HYDROXYLASE and reduced syringyl lignin in the basal inflorescence stem. The aim with this microarray experiment was to investigate the transcriptome of these myb103 mutants to better understand the mechanism underlying MYB103 action.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: David Ohman

PROVIDER: E-MEXP-3680 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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MYB103 is required for FERULATE-5-HYDROXYLASE expression and syringyl lignin biosynthesis in Arabidopsis stems.

Öhman David D Demedts Brecht B Kumar Manoj M Gerber Lorenz L Gorzsás András A Goeminne Geert G Hedenström Mattias M Ellis Brian B Boerjan Wout W Sundberg Björn B

The Plant journal : for cell and molecular biology 20121019 1

The transcription factor MYB103 was previously identified as a member of the transcriptional network regulating secondary wall biosynthesis in xylem tissues of Arabidopsis, and was proposed to act on cellulose biosynthesis. It is a direct transcriptional target of the transcription factor SECONDARY WALL ASSOCIATED NAC DOMAIN PROTEIN 1 (SND1), and 35S-driven dominant repression or over-expression of MYB103 modifies secondary wall thickness. We identified two myb103 T-DNA insertion mutants and che ...[more]

PMID: 22967312

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