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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Gene expression profiling of Arabidopsis Atwrky12 mutants stems

ABSTRACT: Gene expression profile in Arabidopsis stems of T-DNA insertion lines Atwrky12-1 and Atwrky12-2 were compared with Columbia wild-type plants at 45 days after germination.

ORGANISM(S): Arabidopsis thaliana

SUBMITTER: Yuhong Tang

PROVIDER: E-MEXP-2792 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Mutation of WRKY transcription factors initiates pith secondary wall formation and increases stem biomass in dicotyledonous plants.

Wang Huanzhong H Avci Utku U Nakashima Jin J Hahn Michael G MG Chen Fang F Dixon Richard A RA

Proceedings of the National Academy of Sciences of the United States of America 20101206 51

Stems of dicotyledonous plants consist of an outer epidermis, a cortex, a ring of secondarily thickened vascular bundles and interfascicular cells, and inner pith parenchyma cells with thin primary walls. It is unclear how the different cell layers attain and retain their identities. Here, we show that WRKY transcription factors are in part responsible for the parenchymatous nature of the pith cells in dicotyledonous plants. We isolated mutants of Medicago truncatula and Arabidopsis thaliana wit ...[more]

PMID: 21135241

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