Intramuscular fat

Differential expression and effect of the porcine ANGPTL4 gene on intramuscular fat

Z. Q. Ren, Wu, W. J., Liu, W. H., Zheng, R., Li, J. L., Zuo, B., Xu, D. Q., Li, F. E., Lei, M. G., Ni, D. B., and Xiong, Y. Z., Differential expression and effect of the porcine ANGPTL4 gene on intramuscular fat, vol. 13, pp. 2949-2958, 2014.

In a previous study, we investigated differences in gene expression in backfat between Meishan and Large White pigs and their F1 hybrids, Large White x Meishan, and Meishan x Large White pigs. One potential differentially expressed sequence tag from the mRNA differential display was a homolog of the human angiopoietin-like 4 (ANGPTL4) gene, which encodes a protein that is secreted by both liver and white adipose tissues and can inhibit lipoprotein lipase activity and stimulate white adipose tissue lipolysis.

Association of T1740C polymorphism of L-FABP with meat quality traits in Junmu No. 1 white swine

Y. H. Zhang, Dai, L. S., Ma, T. H., Wang, S. Z., Guo, J., Li, F. J., Zhang, S. M., Sun, B. X., Liu, D. F., Gao, Y., and Zhang, J. B., Association of T1740C polymorphism of L-FABP with meat quality traits in Junmu No. 1 white swine, vol. 12, pp. 235-241, 2013.

This study was designed to investigate a single nucleotide polymorphism in intron 1 of the liver fatty acid-binding protein (L-FABP) gene in 156 Junmu No. 1 white swine using PCR-single-strand conformational polymorphism. The association between the polymorphism and meat quality traits was also studied. The cloning and sequencing results indicated that the polymorphism in intron 1 was due to a T→C mutation at position 1740 of L-FABP, yielding three genotypes (TT, TC, and CC).

Association of CAPN1 316, CAPN1 4751 and TG5 markers with bovine meat quality traits in Mexico

C. A. Bonilla, Rubio, M. S., Sifuentes, A. M., Parra-Bracamonte, G. M., Arellano, V. W., Méndez, M. R. D., Berruecos, J. M., and Ortiz, R., Association of CAPN1 316, CAPN1 4751 and TG5 markers with bovine meat quality traits in Mexico, vol. 9, pp. 2395-2405, 2010.

We examined allele and genotype frequencies for the molecular markers CAPN1 316, CAPN1 4751 and TG5, and determined whether they are associated with beef quality traits in Mexican cattle. One hundred and twenty-four longissimus dorsi muscle samples were collected from cattle from north, central and southern Mexico. CAPN1 316 and CAPN1 4751 frequencies were determined using the allelic discrimination assay and the TG5 marker was typed by PCR-RFLP.

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