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Myostatin gene role in regulating traits of poultry species for potential industrial applications

Journal of Animal Science and Biotechnology 2024年第5期15卷 1793-1801页

作者： Joonbum lee Dong‑Hwan Kim kichoon lee Department of Animal Sciences The Ohio State UniversityColumbusOH 43210USA

The myostatin(MSTN)gene is considered a potential genetic marker to improve economically important traits in live-stock,since the discovery of its function using the MSTN knockout *** anti-myogenic function of the MSTN gene was further demonstrated in farm animal species with natural or induced *** poultry species,myo-genesis in cell culture was regulated by modulation of the MSTN ***,different expression levels of the MSTN gene in poultry models with different muscle mass have been reported,indicating the conserved myogenic function of the MSTN gene between mammalian and avian *** advances of CRISPR/Cas9-mediated genome edit-ing techniques have led to development of genome-edited poultry species targeting the MSTN gene to clearly dem-onstrate its anti-myogenic function and further investigate other potential functions in poultry *** review summarizes research conducted to understand the function of the MSTN gene in various poultry models from cells to whole ***,the genome-edited poultry models targeting the MSTN gene are reviewed to inte-grate diverse effects of the MSTN gene on different traits of poultry species.

关键词： Chicken Economic traits Myostatin Quail

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Imprinting at the KBTBD6 locus involves species-specific m ternal methylation and monoallelic expression in livestock animals

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Journal of Animal Science and Biotechnology 2024年第1期15卷 127-145页

作者： Jinsoo Ahn In-Sul Hwang Mi-Ryung Park Seongsoo Hwang kichoon lee Department of Animal Sciences The Ohio State UniversityColumbusOH 43210USA Animal Biotechnology Division Rural Development AdministrationNational Institute of Animal ScienceJeonbuk 55365Republic of Korea Columbia Center for Translational Immunology Columbia University Irving Medical CenterColumbia UniversityNew YorkNY 10032USA Animal Welfare Research Team National Institute of Animal ScienceRDA1500Kongjwipatjwi‑roJeollabuk‑do 55365Republic of Korea

Background The primary differentially methylated regions(DMRs) which are maternally hypermethylated serve as imprinting control regions(ICRs) that drive monoallelic gene expression, and these ICRs have been investigated due to their implications in mammalian development. Although a subset of genes has been identified as imprinted, in-depth comparative approach needs to be developed for identification of species-specific imprinted genes. Here, we examined DNA methylation status and allelic expression at the KBTBD6 locus across species and tissues and explored potential mechanisms of *** Using whole-genome bisulfite sequencing and RNA-sequencing on parthenogenetic and normal porcine embryos, we identified a maternally hypermethylated DMR between the embryos at the KBTBD6 promoter Cp G island and paternal monoallelic expression of KBTBD6. Also, in analyzed domesticated mammals but not in humans, non-human primates and mice, the KBTBD6 promoter Cp G islands were methylated in oocytes and/or allelically methyl-ated in tissues, and monoallelic KBTBD6 expression was observed, indicating livestock-specific imprinting. Further analysis revealed that these Cp G islands were embedded within transcripts in porcine and bovine oocytes which coexisted with an active transcription mark and DNA methylation, implying the presence of transcription-dependent *** In this study, our comparative approach revealed an imprinted expression of the KBTBD6 gene in domesticated mammals, but not in humans, non-human primates, and mice which implicates species-specific evolution of genomic imprinting.

关键词： Differentially methylated region Domesticated mammal Imprinting KBTBD6 Parthenogenetic

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维普期刊数据库

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