Genome-wide identification of the SPL gene family in Rosa chinensis and expression analysis

doi:10.14088/j.cnki.issn0439-8114.2021.21.032

Abstract

Abstract: RcSPL family members were identified from the genome of Rosa chinensis, and phylogenetic and evolutionary analysis, gene structure analysis and expression pattern analysis of transcriptome level were applied for further analysis. The results showed that seventeen SPL genes named RcSPL1~RcSPL17 in Rosa chinensis were found out and they were divided into Ⅰ~Ⅷ subgroups according to the phylogenetic analysis. The original prediction of cis-acting element found that the upstream 2 000 bp of the RcSPL gene contained 2~13 MYB and MYC sites. Expression analysis found that RcSPL1 might regulate rose pollen formation, while RcSPL3 might be involved in regulating Rosa chinensis flowering time. Subgroup II carry the most conserved motifs and exons and may perform important functions during flowering. RcSPL genes could interact with MYB and MYC to regulate flower growth and development.

Key words: Rosa chinensis, SPL gene family, expression analysis

CLC Number:

S685.12
Q786

ZHANG Yu-xin, LI Hui, ZHANG Meng, SONG Xiang, YU You, YU Ma, CHEN Hua. Genome-wide identification of the SPL gene family in Rosa chinensis and expression analysis[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(21): 146-151.

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