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Current evidences show that copy number variations (CNVs) are linked to complex phenotypic traits. Leptin receptor (LEPR) gene plays a critical role in energy homeostasis and fat development and re‐sequencing of the cattle genome revealed the CNV region (herein referred to as “I3 DNA”) within the LEPR intron 3. In the present study, we qualified copy numbers of I3 DNA within LEPR gene in four cattle...
Forkhead box A2 (Foxa2) has been recognized as one of the most potent transcriptional activators that is implicated in the control of feeding behavior and energy homeostasis. However, similar researches about the effects of genetic variations of Foxa2 gene on growth traits are lacking. Therefore, this study detected Foxa2 gene polymorphisms by DNA pool sequencing, PCR–RFLP and PCR-ACRS methods in...
Copy number variations (CNVs) have been recently recognized as another important genetic variability complementary to single nucleotide polymorphisms (SNPs). Compelling evidence has indicated that CNVs are responsible for phenotypic traits by changing the copy numbers of functional genes. Myosin heavy chain 3 (MYH3) gene is a critical regulatory factor in skeletal muscle development, and has been...
Paired box 3 (PAX3) belongs to the PAX superfamily of transcription factors and plays essential roles in the embryogenesis and postnatal formation of limb musculature through affecting the survival of muscle progenitor cells. By genetic mapping, PAX3 gene is assigned in the interval of quantitative trait loci for body weight on bovine BTA2. The objectives of this study were to detect polymorphisms...
Apolipoprotein A-II (APOA2) is one of the major constituents of high-density lipoprotein and plays a critical role in lipid metabolism and obesity. However, similar research for the bovine APOA2 gene is lacking. In this study, polymorphisms of the bovine APOA2 gene and its promoter region were detected in 1021 cows from four breeds by sequencing and PCR-RFLP methods. Totally, we detected six novel...
The PROP1 protein, encoded by the prophet of Pit-1 (PROP1) gene, exhibits both DNA-binding and transcriptional activation abilities. Its expression leads to the ontogenesis of growth hormone (GH), prolactin (PRL), thyroid-stimulating hormone (TSH), and pituitary hormone. The missense mutation H173R in PROP1 may result in deficiencies of GH, PRL, TSH, and Pit-1, thereby affecting growth traits. The...
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