Genomic analysis of WD40 protein family in the mango reveals a TTG1 protein enhances root growth and abiotic tolerance in Arabidopsis
文献类型: 外文期刊
作者: Tan, Lin 1 ; Salih, Haron 1 ; Htet, Nwe Ni Win 1 ; Azeem, Farrukh 1 ; Zhan, Rulin 1 ;
作者机构: 1.Chinese Acad Trop Agr Sci CATAS, Hainan Key Lab Banana Genet Improvement, Haikou Expt Stn, Haikou 571101, Hainan, Peoples R China
2.Zalingei Univ, Crop Sci, Fac Agr, Cent Darfur, Sudan
3.Biotechnol Res Dept, Microbiol Lab, Kyaukse 05151, Myanmar
期刊名称:SCIENTIFIC REPORTS ( 影响因子:4.38; 五年影响因子:5.134 )
ISSN: 2045-2322
年卷期: 2021 年 11 卷 1 期
页码:
收录情况: SCI
摘要: WD40 domain-containing proteins constitute one of the most abundant protein families in all higher plants and play vital roles in the regulation of plant growth and developmental processes. To date, WD40 protein members have been identified in several plant species, but no report is available on the WD40 protein family in mango (Mangifera indica L.). In this study, a total of 315 WD40 protein members were identified in mango and further divided into 11 subgroups according to the phylogenetic tree. Here, we reported mango TRANSPARENT TESTA GLABRA 1 (MiTTG1) protein as a novel factor that functions in the regulation of Arabidopsis root growth and development. Bimolecular fluorescence complementation (BiFC) assay in tobacco leaves revealed that MiTTG1 protein physically interacts with MiMYB0, MiTT8 and MibHLH1, implying the formation of a new ternary regulatory complex (MYB-bHLH-WD40) in mango. Furthermore, the MiTTG1 transgenic lines were more adapted to abiotic stresses (mannitol, salt and drought stress) in terms of promoted root hairs and root lengths. Together, our findings indicated that MiTTG1 functions as a novel factor to modulate protein-protein interactions and enhance the plants abilities to adjust different abiotic stress responses.
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