APETALA1 and SEPALLATA3 interact with SEUSS to mediate transcription repression during flower development
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APETALA1 and SEPALLATA3 interact with SEUSS to mediate transcription repression during flower development.
The transcriptional repression of key regulatory genes is crucial for plant and animal development. Previously, we identified and isolated two Arabidopsis transcription co-repressors LEUNIG (LUG) and SEUSS (SEU) that function together in a putative co-repressor complex to prevent ectopic AGAMOUS (AG) transcription in flowers. Because neither LUG nor SEU possesses a recognizable DNA-binding moti...
متن کاملTranscriptional repression of target genes by LEUNIG and SEUSS, two interacting regulatory proteins for Arabidopsis flower development.
Transcription repression plays important roles in preventing crucial regulatory proteins from being expressed in inappropriate temporal or spatial domains. LEUNIG (LUG) and SEUSS (SEU) normally act to prevent ectopic expression of the floral homeotic gene AGAMOUS in flowers. LUG encodes a protein with sequence similarities to the yeast Tup1 corepressor. SEU encodes a plant-specific regulatory p...
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The Arabidopsis (Arabidopsis thaliana) gynoecium, the female floral reproductive structure, requires the action of genes that specify positional identities during its development to generate an organ competent for seed development and dispersal. Early in gynoecial development, patterning events divide the primordium into distinct domains that will give rise to specific tissues and organs. The m...
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Title of Dissertation: LEUNIG, LEUNIG HOMOLOG, AND SEUSS ARE TRANSCRIPTIONAL CO-REPRESSORS THAT REGULATE FLOWER DEVELOPMENT, MUCILAGE SECRETION, AND PATHOGEN RESISTANCE Minh Bui, Doctor of Philosophy, 2009 Directed By: Associate Professor William J. Higgins, Department of Biology Transcriptional repression is an important regulatory mechanism for development. My thesis focuses on dissecting the...
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ژورنال
عنوان ژورنال: Development
سال: 2006
ISSN: 1477-9129,0950-1991
DOI: 10.1242/dev.02498