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Changing a conserved amino acid in R2R3‐MYB transcription repressors results in cytoplasmic accumulation and abolishes their repressive activity in Arabidopsis 下载免费PDF全文
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GhMYB25-like: a key factor in early cotton fibre development 总被引:6,自引:0,他引:6
Walford SA Wu Y Llewellyn DJ Dennis ES 《The Plant journal : for cell and molecular biology》2011,65(5):785-797
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Dubos C Willment J Huggins D Grant GH Campbell MM 《The Plant journal : for cell and molecular biology》2005,43(3):348-355
Ionotropic glutamate receptors (iGluRs) play important roles in neurotransmission in animals. There is growing evidence that iGluRs also play important roles in plants. Using a chemical genetics approach, which combined a pH-homeostasis mutant of Arabidopsis thaliana (de-etiolated3), several different iGluR agonists, molecular modelling, and reporter gene expression in transgenic plants, we provide evidence that iGluR agonism can induce dramatic changes in plant development and metabolism. Systematic hypothesis testing revealed a signalling circuit that integrates amino acid and sugar signals to affect elongation growth and the deposition of carbon into starch and lignins. The data show that aminoglycoside antibiotics, such as kanamycin, and polyamines impinge upon this circuit. These findings provide a mechanism for the conversion of amino acid and sugar signals into an appropriate response at the gene expression level, and underline the similarities in iGluR agonism between animals and plants. 相似文献
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The bHLH transcription factor MdbHLH3 promotes anthocyanin accumulation and fruit colouration in response to low temperature in apples 总被引:1,自引:0,他引:1
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