Analysis of MIKC~C-Type MADS-Box Gene Family in Gossypium hirsutum

文献类型： 外文期刊

第一作者： JIANG Su-cheng

作者： JIANG Su-cheng;PANG Chao-you;SONG Mei-zhen;WEI Heng-ling;FAN Shu-li;YU Shu-xun

作者机构：

期刊名称：Journal of Integrative Agriculture （ 影响因子：2.848； 五年影响因子：2.979 ）

ISSN： 2095-3119

年卷期： 2014 年 06 期

页码：

收录情况： SCI

摘要： MIKCC-type MADS-box genes encode transcription factors that are involved in plant developmental control and signal transduction. Few Gossypium hirsutum MADS-box genes have been reported thus far. Recently, the genome of Gossypium raimondii, considering the contributor of the D subgenome to G. hirsutum, was sequenced and provided a valuable resource to identify and analyze multiple MADS-box genes in G. hirsutum. Here we comprehensively analyzed 53 MIKCC-type MADSbox genes, including 34 newly cloned genes. Phylogenetic analysis of these genes with those from Arabidopsis and grapevine showed that the FLC and AGL12 subfamilies were absent in G. hirsutum. Proteins within a gene subfamily tended to share conserved motifs, and large differences occurred among subfamilies. Expression analysis in multiple tissues and fl oral organs implied differing roles for the subfamilies in G. hirsutum. At nine loci, two or three genes co-occurred, indicating that they came from different subgenomes; these groups had similar expression patterns. The identifi cation of MIKCC-type MADSbox genes in G. hirsutum provides a valuable resource for further research into fl owering time, fl ower development and ovule development in this important crop plant.

分类号： S562

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