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Roles of DLT in fine modulation on brassinosteroid response in rice
1State Key Laboratory of Plant Genomics and National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China.
Abstract:
Accumulated evidences suggest that brassinosteroid (BR) response is fine-tuned by multiple strategies. Recently, a GRAS protein, DLT, was identified to be involved in rice BR signaling. Transcription analysis of most known BR-related genes, including biosynthetic genes, signaling genes and also several downstream BR responsive genes, reveals DLT has extensive effects on BR-related genes expression, indicating its important role in modulating BR response. By promoter and protein sequence analysis, a complicated and subtle network was proposed that DLT may be involved in fine-modulating BR response at both transcriptional and protein levels. This provides new insights into BR signaling pathway and also gives a clear direction for the future work.
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Transcription
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
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