期刊
JOURNAL OF APPLIED GENETICS
卷 62, 期 1, 页码 121-136出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s13353-020-00604-1
关键词
DNA methylation; Epigenetics; Cattle; Sperm; Oocyte; Assisted reproductive technologies
Investigation on the role of epigenetics in cattle breeding is increasingly important, focusing on DNA methylation and its relation to genomic stability, development maintenance, and economically important traits. The research aims to identify single methylation markers or their combinations for animal selection and breeding in order to ensure cattle improvement through both single-gene and genome-wide studies.
Investigation of the role of epigenetics in cattle breeding is gaining importance. DNA methylation represents an epigenetic modification which is essential for genomic stability and maintenance of development. Recently, DNA methylation research in cattle has intensified. The studies focus on the definition of methylomes in various organs and tissues in relation to the expression of genes underlying economically important traits, and explore methylome changes under developmental, environmental, disease, and diet influences. The investigations further characterize the methylation patterns of gametes in connection with their quality, and study methylome alterations in the developing naturally or assisted produced zygotes, embryos, and fetuses, considering their viability. A wide array of technologies developed for accurate and precise analysis of DNA methylation patterns is employed for both single-gene and genome-wide studies. Overall, the research is directed towards the identification of single methylation markers or their combinations which may be useful in the selection and breeding of animals to ensure cattle improvement.
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