{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["13"],"submitter":["Ye LX"],"pubmed_abstract":["Kiwifruit (<i>Actinidia chinensis</i> Planch.) is a functionally dioecious plant, which displays diverse morphology in male and female flowers. MADS-box is an ancient and huge gene family that plays a key role in plant floral organ differentiation. In this study, we have identified 89 MADS-box genes from <i>A. chinensis</i> Red 5 genome. These genes are distributed on 26 chromosomes and are classified into type I (21 genes) and type II (68 genes). Overall, type II AcMADS-box genes have more complex structures than type I with more exons, protein domains, and motifs, indicating that type II genes may have more diverse functions. Gene duplication analysis showed that most collinearity occurred in type II AcMADS-box genes, which was consistent with a large number of type II genes. Analysis of <i>cis</i>-acting elements in promoters showed that AcMADS-box genes are mainly associated with light and phytohormone responsiveness. The expression profile of AcMADS-box genes in different tissues showed that most genes were highly expressed in flowers. Further, the qRT-PCR analysis of the floral organ ABCDE model-related genes in male and female flowers revealed that <i>AcMADS4</i>, <i>AcMADS56</i>, and <i>AcMADS70</i> were significantly expressed in female flowers. It indicated that those genes may play an important role in the sex differentiation of kiwifruit. This work provided a comprehensive analysis of the AcMADS-box genes and may help facilitate our understanding of the sex differentiation regulatory mechanism in kiwifruit."],"journal":["Frontiers in genetics"],"pagination":["1043178"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9714460"],"repository":["biostudies-literature"],"pubmed_title":["Genome-wide analysis of MADS-box gene family in kiwifruit (<i>Actinidia chinensis</i> var. <i>chinensis</i>) and their potential role in floral sex differentiation."],"pmcid":["PMC9714460"],"pubmed_authors":["Chen QH","Ye LX","Gao L","Luo X","Zhang L","Wang Z","Luo MM","Bai FX","Peng J"],"additional_accession":[]},"is_claimable":false,"name":"Genome-wide analysis of MADS-box gene family in kiwifruit (<i>Actinidia chinensis</i> var. <i>chinensis</i>) and their potential role in floral sex differentiation.","description":"Kiwifruit (<i>Actinidia chinensis</i> Planch.) is a functionally dioecious plant, which displays diverse morphology in male and female flowers. MADS-box is an ancient and huge gene family that plays a key role in plant floral organ differentiation. In this study, we have identified 89 MADS-box genes from <i>A. chinensis</i> Red 5 genome. These genes are distributed on 26 chromosomes and are classified into type I (21 genes) and type II (68 genes). Overall, type II AcMADS-box genes have more complex structures than type I with more exons, protein domains, and motifs, indicating that type II genes may have more diverse functions. Gene duplication analysis showed that most collinearity occurred in type II AcMADS-box genes, which was consistent with a large number of type II genes. Analysis of <i>cis</i>-acting elements in promoters showed that AcMADS-box genes are mainly associated with light and phytohormone responsiveness. The expression profile of AcMADS-box genes in different tissues showed that most genes were highly expressed in flowers. Further, the qRT-PCR analysis of the floral organ ABCDE model-related genes in male and female flowers revealed that <i>AcMADS4</i>, <i>AcMADS56</i>, and <i>AcMADS70</i> were significantly expressed in female flowers. It indicated that those genes may play an important role in the sex differentiation of kiwifruit. This work provided a comprehensive analysis of the AcMADS-box genes and may help facilitate our understanding of the sex differentiation regulatory mechanism in kiwifruit.","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022","modification":"2024-11-09T19:20:37.013Z","creation":"2024-11-09T19:20:37.013Z"},"accession":"S-EPMC9714460","cross_references":{"pubmed":["36468015"],"doi":["10.3389/fgene.2022.1043178"]}}