The auxin response gene family adjusts the auxin balance and the growth hormone signaling pathways in plants. Using bioinformatics methods, the auxin-response genes from the grape genome database are identified and their chromosomal location, gene collinearity and phylogenetic analysis are performed. Probable genes include 25 AUX_IAA, 19 ARF, 9 GH3 and 42 LBD genes, which are unevenly distributed on all 19 chromosomes and some of them formed distinct tandem duplicate gene clusters. The available grape microarray databases show that all of the auxin-response genes are expressed in fruit and leaf buds, and significant overexpressed during fruit color-changing, bud break and bud dormancy periods. This paper provides a resource for functional studies of auxin-response genes in grape leaf and fruit development.
Huazhao Yuan, Mizhen Zhao, Weimin Wu, HongMei Yu, Yaming Qian, Zhuangwei Wang, Xicheng Wang
. Genome-wide identification and expression analysis of auxin-related gene families in grape[J]. Hereditas(Beijing), 2015
, 37(7)
: 720
-730
.
DOI: 10.16288/j.yczz.14-390
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