Functional characterization of GhSOC1 and GhMADS42 homologs from upland cotton (Gossypium hirsutum L.). 2016

Xiaohong Zhang, and Jianghui Wei, and Shuli Fan, and Meizhen Song, and Chaoyou Pang, and Hengling Wei, and Chengshe Wang, and Shuxun Yu
College of Agronomy, Northwest A&F University, Yangling, 712100 Shaanxi, People's Republic of China; State Key Laboratory of Cotton Biology, Institute of Cotton Research of CAAS, Anyang, 455000 Henan, People's Republic of China. Electronic address: xiaohongzhang910112@gmail.com.

In Arabidopsis flowering pathway, MADS-box genes encode transcription factors, with their structures and functions highly conserved in many species. In our study, two MADS-box genes GhSOC1 and GhMADS42 (Gossypium hirsutum L.) were cloned from upland cotton CCRI36 and transformed into Arabidopsis. GhSOC1 was additionally transformed into upland cotton. Comparative analysis demonstrated sequence conservation between GhSOC1 and GhMADS42 and genes of other plant species. Tissue-specific expression analysis of GhSOC1 and GhMADS42 revealed spatiotemporal expression patterns involving high transcript levels in leaves, shoot apical buds, and flowers. In addition, overexpression of both GhSOC1 and GhMADS42 in Arabidopsis accelerated flowering, with GhMADS42 transgenic plants showing abnormal floral organ phenotypes. Overexpression of GhSOC1 in upland cotton also produced variations in floral organs. Furthermore, chromatin immunoprecipitation assay demonstrated that GhSOC1 could regulate GhMADS41 and GhMADS42, but not FLOWERING LOCUS T, by directly binding to the genes promoter. Finally, yeast two-hybrid and bimolecular fluorescence complementation approaches were undertaken to better understand the interaction of GhSOC1 and other MADS-box factors. These experiments showed that GhSOC1 can interact with APETALA1/FRUITFULL-like proteins in cotton.

UI MeSH Term Description Entries
D008856 Microscopy, Fluorescence Microscopy of specimens stained with fluorescent dye (usually fluorescein isothiocyanate) or of naturally fluorescent materials, which emit light when exposed to ultraviolet or blue light. Immunofluorescence microscopy utilizes antibodies that are labeled with fluorescent dye. Fluorescence Microscopy,Immunofluorescence Microscopy,Microscopy, Immunofluorescence,Fluorescence Microscopies,Immunofluorescence Microscopies,Microscopies, Fluorescence,Microscopies, Immunofluorescence
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D010940 Plant Proteins Proteins found in plants (flowers, herbs, shrubs, trees, etc.). The concept does not include proteins found in vegetables for which PLANT PROTEINS, DIETARY is available. Plant Protein,Protein, Plant,Proteins, Plant
D011401 Promoter Regions, Genetic DNA sequences which are recognized (directly or indirectly) and bound by a DNA-dependent RNA polymerase during the initiation of transcription. Highly conserved sequences within the promoter include the Pribnow box in bacteria and the TATA BOX in eukaryotes. rRNA Promoter,Early Promoters, Genetic,Late Promoters, Genetic,Middle Promoters, Genetic,Promoter Regions,Promoter, Genetic,Promotor Regions,Promotor, Genetic,Pseudopromoter, Genetic,Early Promoter, Genetic,Genetic Late Promoter,Genetic Middle Promoters,Genetic Promoter,Genetic Promoter Region,Genetic Promoter Regions,Genetic Promoters,Genetic Promotor,Genetic Promotors,Genetic Pseudopromoter,Genetic Pseudopromoters,Late Promoter, Genetic,Middle Promoter, Genetic,Promoter Region,Promoter Region, Genetic,Promoter, Genetic Early,Promoter, rRNA,Promoters, Genetic,Promoters, Genetic Middle,Promoters, rRNA,Promotor Region,Promotors, Genetic,Pseudopromoters, Genetic,Region, Genetic Promoter,Region, Promoter,Region, Promotor,Regions, Genetic Promoter,Regions, Promoter,Regions, Promotor,rRNA Promoters
D011485 Protein Binding The process in which substances, either endogenous or exogenous, bind to proteins, peptides, enzymes, protein precursors, or allied compounds. Specific protein-binding measures are often used as assays in diagnostic assessments. Plasma Protein Binding Capacity,Binding, Protein
D011523 Protoplasts The protoplasm and plasma membrane of plant, fungal, bacterial or archaeon cells without the CELL WALL. Protoplast
D003368 Gossypium A plant genus of the family MALVACEAE. It is the source of COTTON FIBER; COTTONSEED OIL, which is used for cooking, and GOSSYPOL. The economically important cotton crop is a major user of agricultural PESTICIDES. Cotton Plant,Cotton Plants,Gossypiums,Plant, Cotton,Plants, Cotton
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
D017360 Arabidopsis A plant genus of the family BRASSICACEAE that contains ARABIDOPSIS PROTEINS and MADS DOMAIN PROTEINS. The species A. thaliana is used for experiments in classical plant genetics as well as molecular genetic studies in plant physiology, biochemistry, and development. Arabidopsis thaliana,Cress, Mouse-ear,A. thaliana,A. thalianas,Arabidopses,Arabidopsis thalianas,Cress, Mouse ear,Cresses, Mouse-ear,Mouse-ear Cress,Mouse-ear Cresses,thaliana, A.,thaliana, Arabidopsis,thalianas, A.
D017386 Sequence Homology, Amino Acid The degree of similarity between sequences of amino acids. This information is useful for the analyzing genetic relatedness of proteins and species. Homologous Sequences, Amino Acid,Amino Acid Sequence Homology,Homologs, Amino Acid Sequence,Homologs, Protein Sequence,Homology, Protein Sequence,Protein Sequence Homologs,Protein Sequence Homology,Sequence Homology, Protein,Homolog, Protein Sequence,Homologies, Protein Sequence,Protein Sequence Homolog,Protein Sequence Homologies,Sequence Homolog, Protein,Sequence Homologies, Protein,Sequence Homologs, Protein

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