共查询到20条相似文献,搜索用时 31 毫秒
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Towards functional characterisation of the members of the
R2R3-MYB
gene family from
Arabidopsis thaliana 总被引:7,自引:4,他引:3
Harald D. Kranz Marten Denekamp Raffaella Greco Hailing Jin Antonio Leyva Ruth C. Meissner Katia Petroni Ana Urzainqui Michael Bevan Cathie Martin Sjef Smeekens Chiara Tonelli Javier Paz-Ares Bernd Weisshaar 《The Plant journal : for cell and molecular biology》1998,16(2):263-276
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c-MYB oncogene-like genes encoding three MYB repeats occur in all major plant lineages 总被引:12,自引:0,他引:12
Since the identification of the first plant MYB-like protein, the Zea mays factor C1, the number of MYB-related genes described has greatly increased. All of the more than 150 plant MYB-like proteins known so far contain either two or only one sequence-related helix-turn-helix motif in their DNA-binding domain. Animal c-MYB genes contain three such helix-turn-helix motif-encoding repeats (R1R2R3 class genes). It has therefore been concluded that R2R3-MYB genes are the plant equivalents of c-MYB and that there are significant differences in the basic structure of MYB genes of plants and animals. Here, we describe expressed R1R2R3-MYB genes from Physcomitrella patients++ and Arabidopsis thaliana, designated PpMYB3R-1 and AtMYB3R-1. The amino acid sequences of their DNA-binding domains show high similarity to those of animal MYB factors, and less similarity to R2R3-MYB proteins from plants. In addition, R1R2R3-MYB genes were identified in different plant evolutionary lineages including mosses, ferns and monocots. Our data show that a DNA-binding domain consisting of three MYB repeats existed before the divergence of the animal and plant lineages. R1R2R3-MYB genes may have a conserved function in eukaryotes, and R2R3-MYB genes may predominantly regulate plant-specific processes which evolved during plant speciation. 相似文献
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Fei Gao Hai-Xia Zhao Hui-Peng Yao Cheng-Lei Li Hui Chen An-Hu Wang Sang-Un Park Qi Wu 《Plant cell reports》2016,35(6):1385-1396