Orchid B-sister gene PeMADS28 displays conserved function in ovule integument development
文献类型： 外文期刊
作者： Shen, Ching-Yu 1 ; Chen, You-Yi 2 ; Liu, Ke-Wei 3 ; Lu, Hsiang-Chia 1 ; Chang, Song-Bin 2 ; Hsiao, Yu-Yun 8 ; Yang, Fe 1 ;
作者机构： 1.Natl Cheng Kung Univ, Inst Trop Plant Sci & Microbiol, Tainan 701, Taiwan
2.Natl Cheng Kung Univ, Dept Life Sci, Tainan 701, Taiwan
3.Tsinghua Univ, Grad Sch Shenzhen, Ctr Biotechnol & BioMed, Shenzhen Key Lab Gene & Antibody Therapy,State Ke, Shenzhen, Peoples R China
4.Tsinghua Univ, Grad Sch Shenzhen, Div Life & Hlth Sci, Shenzhen, Peoples R China
5.Tsinghua Univ, Sch Life Sci, Beijing 100084, Peoples R China
6.Fujian Agr & Forestry Univ, Coll Landscape Architecture, Key Lab Natl Forestry & Grassland Adm Orchid Cons, Fuzhou, Peoples R China
7.Fujian Agr & Forestry Univ, Coll Forestry, Fujian Coll & Univ Engn Res Inst Conservat & Util, Fuzhou 350002, Peoples R China
8.Natl Cheng Kung Univ, Orchid Res & Dev Ctr, Tainan 701, Taiwan
9.Guangdong Acad Agr Sci, Environm Hort Res Inst, Guangdong Key Lab Ornamental Plant Germplasm Inno, Guangzhou 510640, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）
ISSN： 2045-2322
年卷期： 2021 年 11 卷 1 期
页码：
收录情况： SCI
摘要： The ovules and egg cells are well developed to be fertilized at anthesis in many flowering plants. However, ovule development is triggered by pollination in most orchids. In this study, we characterized the function of a B-sister gene, named PeMADS28, isolated from Phalaenopsis equestris, the genome-sequenced orchid. Spatial and temporal expression analysis showed PeMADS28 predominantly expressed in ovules between 32 and 48 days after pollination, which synchronizes with integument development. Subcellular localization and protein-protein interaction analyses revealed that PeMADS28 could form a homodimer as well as heterodimers with D-class and E-class MADS-box proteins. In addition, ectopic expression of PeMADS28 in Arabidopsis thaliana induced small curled rosette leaves, short silique length and few seeds, similar to that with overexpression of other species' B-sister genes in Arabidopsis. Furthermore, complementation test revealed that PeMADS28 could rescue the phenotype of the ABS/TT16 mutant. Together, these results indicate the conserved function of B(sister)PeMADS28 associated with ovule integument development in orchid.
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