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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Association of CAST2, HSP90AA1, DNAJA1 and HSPB1 genes with meat tenderness in Nellore cattle

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Malheiros, Jessica Moraes [1] ; Elena Enriquez-Valencia, Cruz [2] ; da Silva Duran, Bruno Oliveira [3] ; de Paula, Tassiana Gutierrez [3] ; Curi, Rogerio Abdallah [4] ; de Vasconcelos Silva, Josineudson Augusto I. I. [4] ; Dal-Pai-Silva, Maeli [3] ; de Oliveira, Henrique Nunes [1] ; Loyola Chardulo, Luis Artur [4]
Total Authors: 9
[1] Univ Estadual Paulista, Fac Ciencias Agr & Vet, Dept Zootecnia, BR-14884900 Jaboticabal, SP - Brazil
[2] Univ Francisco de Paula Santander Ocana, Fac Ciencias Agr & Ambiente, Dept Ciencias Pecuarias, Norte De Santander 546552 - Colombia
[3] Univ Estadual Paulista, Dept Morfol, Inst Biociencias, BR-18618689 Botucatu, SP - Brazil
[4] Univ Estadual Paulista, Fac Med Vet & Zootecnia, Dept Melhoramento & Nutr Anim, BR-18618000 Botucatu, SP - Brazil
Total Affiliations: 4
Document type: Journal article
Source: MEAT SCIENCE; v. 138, p. 49-52, APR 2018.
Web of Science Citations: 5

The objective of this study was to evaluate the association of expression of CAPN1, CAPN2, CAST, HSP90AA1, DNAJA1 and HSPB1 genes with meat tenderness in Nellore cattle. Three experimental groups were selected by shear force (SF): moderately tender (SF = 34.3 +/- 5.8 N), moderately tough (SF = 56.8 +/- 7.8 N), and very tough meat (SF = 80.4 +/- 15 N). Gene expression was evaluated by real-time PCR. Expression of the CAPN1, CAPN2, CAST and CAST1 genes did not differ between groups. Expression of the CAST2 was up-regulated (P < 0.05) in the moderately tough and very tough meat groups. Down-regulation of the HSP90AA1, DNAJA1 and HSPB1 genes (P < 0.05) was observed in the moderately tender meat group. The present results suggest that meat tenderness in Nellore cattle does not directly depend on the expression of the CAPN1 and CAPN2 genes, but is associated with the expression of other genes such as CAST2, HSP90AA1, DNAJA1 and HSPB1. (AU)

FAPESP's process: 15/13021-1 - An metalloproteomics and expression approach of the structural, proteolytic and tissue skeletal muscle regulatory proteins in post-mortem and the relationship with growth and meat tenderness in Nellore animals (Bos indicus).
Grantee:Luis Artur Loyola Chardulo
Support Opportunities: Regular Research Grants