Rapid communication: the cholecystokinin Type-A receptor (CCKAR) gene maps to porcine chromosome 8

Article Abstract:

The cholecystokinin Type-A receptor (CCKAR) gene was mapped to porcine chromosome 8 to ascertain the link between CCKAR and previously mapped loci. Genotyping was performed on pigs from three generations of European Wild Boar x Large White and Meishan x Large White reference families for CCKAR alleles. The current results, as well as the previous findings on markers for porcine CCK, offer researchers the chance to investigate the significant role of these loci in the genetic aspects of growth, appetite and body composition in pigs.

Genotype, Genotypes, Cholecystokinin, Wild boar, Wild boars

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Mapping of the Steroidogenic Acute Regulatory Protein (StAR) gene to porcine chromosome 15 by linkage analysis using a novel PCR-RFLP

Article Abstract:

The Steroidogenic Acute Regulatory Protein (StAR) gene has been mapped to porcine chromosome 15 through polymerase chain reaction amplification. The linkage analysis yielded findings of a link between StAR and some microsatellite marker loci on chromosome 15, including S0088, S0149, and S0284, with recombination frequencies of .16, .11, and .11, respectively. The StAR gene may be used to control reproduction phenotypes and enhance the metabolism of cholesterol into pregnenolone.

Usage, Polymerase chain reaction

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Rapid communication: mapping of the prostaglandin-endoperoxide synthase 2 (PTGS2) gene to porcine chromosome 9 and bovine chromosome 16 by linkage analysis using novel PCR-RFLP

Article Abstract:

A study was conducted to analyze the mapping of the prostaglandin-endoperoxide synthase 2 gene to chromosome 9 and bovine chromosome 16 of pigs. To this end, a common forward primer based on homologous regions of porcine and bovine DNA sequences was designed. Results indicated that the mapping of the gene to SSC9 promotes an evolutionary breakpoint in HSA1 in relation to SSC4 and SSC9.

Analysis, Prostaglandins, Chromosomes

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