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A Polycomb-group gene regulates homeotic gene expression in Arabidopsis

机译:Polycomb组基因调节拟南芥中同源基因的表达。

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Cell fate is determined when the commitment of cells to a particular fate is autonomously maintained, irrespective of their environment. In Drosophila, fate determination is maintained through the action of the Polycomb-group and trithorax-group genes, which are required so that states of homeotic gene activity are inherited through cell division. It is shown here that the CURLY LEAF gene of Arabidopsis is necessary for stable repression of a floral homeotic gene and encodes a protein with homology to the product of the Polycomb-group gene Enhancer of zeste. We suggest that Polycomb-group genes have a similar role in fate determination in plants and animals.
机译:当细胞对特定命运的承诺得以自主维持时,无论其环境如何,都将决定细胞命运。在果蝇中,命运的确定是通过Polycomb-group和trithorax-group基因的作用来维持的,这是必需的,以便通过细胞分裂继承顺势基因活性的状态。在此表明,拟南芥的CURLY LEAF基因对于稳定抑制花卉同源基因是必需的,并且编码与zeste的多梳基团基因增强子的产物具有同源性的蛋白质。我们建议,Polycomb组基因在动植物的命运决定中具有相似的作用。

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