Tissue-specific patterns of a maize Myb transcription factor are epigenetically regulated

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Tissue-specific patterns of a maize Myb transcription factor are epigenetically regulated.

The maize p1 gene encodes a Myb-homologous regulator of red pigment biosynthesis. To investigate the tissue-specific regulation of the p1 gene, maize plants were transformed with constructs combining promoter and cDNA sequences of two alleles which differ in pigmentation patterns: P1-wr (white pericarp/red cob) and P1-rr (red pericarp/red cob). Surprisingly, all promoter/cDNA combinations produ...

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The R2R3-MYB Transcription Factor Gene Family in Maize

MYB proteins comprise a large family of plant transcription factors, members of which perform a variety of functions in plant biological processes. To date, no genome-wide characterization of this gene family has been conducted in maize (Zea mays). In the present study, we performed a comprehensive computational analysis, to yield a complete overview of the R2R3-MYB gene family in maize, includ...

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Study of MYB Transcription Factor Gene Expression in Some Bread Wheat Cultivars of Sistan Region, Iran

Drought, an abiotic stress, considered as one of the factors limiting food resources. The plant responses to adaptive to such a condition are accompanied with changes in the expression pattern of some functional as well as regulatory genes. The MYB proteins include a big family of transcription factors which are highly important in regulating development process and immunizing responses of plan...

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“Remembering” tissue-specific transcription patterns through mitosis

During cell growth, tissue-specific gene expression programs are maintained through multiple rounds of cell division. Experiments performed in the 1960s showed that RNA synthesis stops during late prophase and restarts in telophase of mitosis, raising the fundamental question as to how transcriptional information is preserved through the mitotic phase of the cell cycle. While the exact mechanis...

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A sorghum MYB transcription factor induces 3-deoxyanthocyanidins and enhances resistance against leaf blights in maize.

Sorghum responds to the ingress of the fungal pathogen Colletotrichum sublineolum through the biosynthesis of 3-deoxyanthocyanidin phytoalexins at the site of primary infection. Biosynthesis of 3-deoxyanthocyanidins in sorghum requires a MYB transcription factor encoded by yellow seed1 (y1), an orthologue of the maize gene pericarp color1 (p1). Maize lines with a functional p1 and flavonoid str...

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ژورنال

عنوان ژورنال: The Plant Journal

سال: 2001

ISSN: 0960-7412

DOI: 10.1046/j.1365-313x.2001.01124.x