ArticleJournal of applied genetics2025
Molecular characterization of doublesex and Mab-3 (DMRT) gene family in Ctenopharyngodon idella (grass carp).
Article in Journal of applied genetics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- A novel multi-epitope mRNA vaccine against Escherichia coli using an in silico reverse vaccinology approach.Journal of applied genetics · 2026Article
- Genome-wide investigation of the dmrt gene family reveals new insight into the gonad development in Plectropomus leopardus: dmrt2a regulate the development of oocytes.Biology of sex differences · 2025Article
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5 authors.
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Abstract
Doublesex and Mab-3 (DMRT) gene family is a diverse group of transcriptional factors crucially involved in sex differentiation and biological processes such as body growth and differentiation in vertebrates. In this study, we analyzed DMRT genes structural characterization and physiochemical properties, and elucidated their functional role as a ligand of different gonadal receptors including androgen (AR), estrogen β (ER-β), estrogen γ (ER-γ), and progesterone (PR). All six genes of the DMRT gene family in grass carp (Ctenopharyngodon Idella Valenciennes, 1844) exhibited an acidic nature. These DMRT genes are primarily localized in the nucleus, where they play a role in DNA binding via doublesex DNA binding motif. All the DMRT gene pairs are under strong purifying selection with two segmental duplications envisaged about 18.30 (DMRT3a/DMRTA2) and 24.90 (DMRT2b/DMRT2a) million years ago (MYA). Recombination analysis revealed six potential recombinant breakpoints posing substantial evolutionary pressure for diverse cellular functioning of DMRT isoforms. Moreover, the DMRTA1 protein had a highest binding affinity of - 270.42 and - 267.16 for androgen receptors (AR) and progesterone receptors (PR), whereas, for estrogen receptors ER-β and ER-γ, the maximum binding affinity was observed with DMRT2a and DMRT2b proteins showing a docking score of - 254.22 and - 261.71, respectively. First time we studied the binding scores and interface residues of the DMRT genes as a ligand of gonadal receptors that play a crucial role in fish growth, sex development and differentiation, and spermatogenesis and oocyte maturation. The present study provides a molecular basis for DMRT genes in grass carp that may serve as a reference for in-depth phylogenomic study in other species.
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