Abstract:

The aim was to lay the foundation for the function of auxin response genes in the SAUR gene family in the future. The conserved motif, isoelectric point of amino acids, molecular evolution, expression pattern and other basic properties of early auxin responsive gene SAUR family were analyzed by the bioinformatics method on Brassica rapa. The results showed that there were 111 alkaline proteins, 31 acidic proteins, and one neutral protein. The SAUR gene family divided into two major subfamilies from the phylogenetic tree, one of the subfamily was still in the continued differentiation. 61 SAUR genes were found EST evidence and the genes expression was rich in sites. Through research and analysis that gene duplication of the SAUR gene family was a major characteristic, 143 genes contained 51 homologous pairs.