Research Article

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As one of the eight members in the 1-acylglycerol-3-phosphate-O-acyltransferase (AGPATs) family, AGPAT6 is a crucial enzyme for the biosynthesis of glycerolipids and triacylglycerol in eukaryotes, as well as catalyzing the conversion from lysophosphatidic acid to phosphatidic acid. AGPAT6 can be considered as a candidate gene for regulating milk composition. DNA ... more

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Peptidoglycan recognition protein 2 (PGLYRP-2), which belongs to the PGRP family, is the only member that has no direct bactericidal activity but has N-acetylmuramoyl-l-alanine amidase activity. This feature of PGLYRP-2 indicates that it may play an important role in eliminating the pathogen associated molecular pattern (PAMP), such as peptidoglycan (PGN), which can reduce ... more

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Beef cattle; Carcass and meat quality traits; Myf6; MyoD1; PCR-RFLP; Polymorphism

Myogenic determination factor 1 (MyoD1) and myogenic factor 6 (Myf6) genes belong to the myogenic differentiation (MyoD) gene family, which play key roles in growth and muscle development. The study aimed to investigate the effects of variants in cattle MyoD1 and Myf6 on carcass and meat traits. We screened single nucleotide polymorphisms (SNPs ... more

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Bovine papillomavirus (BPV) DNA sequences were detected in different tissues, in addition to epithelium. Cytogenetic abnormalities were observed in blood lymphocytes. The presence of more than one virus in a single tissue is a difficult aspect to evaluate,especially when the DNA sequences are detected in tissues that are not specifically targeted by the virus. BPV and bovine leukemia virus ( ... more

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Bovine papillomaviruses (BPVs) cause many benign and malignant lesions in cattle and other animals. Twelve BPV types have been identified so far, and several putative novel BPV types have been detected based on the analysis of L1 gene fragments, generated by FAP59/64 and MY11/09 primers. Phylogenetic trees are important in studies that describe novel BPV types. However, topological ... more

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Bovine papillomavirus; L1 gene; Pichia pastoris

Papillomaviruses are known to cause benign or malignant lesions in various animals. In cattle, bovine papillomavirus (BPV) is the etiologic agent of papillomatosis and neoplasia of the upper gastrointestinal tract and urinary bladder. Currently, there are no standard diagnostic tests or prophylactic vaccines. Protection against papillomavirus infection is conferred by neutralizing ... more

A.L.S. Jesus; F.C. Mariz; H.M. Souza; M.N. Cordeiro; E.C. Coimbra; M.C.G. Leitão; L.M. Nascimento; R.C. Stocco; W. Beçak; A.C. Freitas
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BAPV8; Bovine papillomavirus; BPV-12; Diagnosis; Histopathology

Bovine papillomavirus (BPV) is an oncogenic virus associated with benign and malignant lesions, which result in notable economic losses. Peripheral blood samples and cutaneous papillomas were obtained from four adult beef cattle. Viral molecular identification was performed using specific primers for BPV-1, -2 and -4 in blood diagnosis and FAP59/FAP64 for skin papillomas. Histopathologic ... more

R.P. Araldi; R.F. Carvalho; T.C. Melo; N.S.P. Diniz; T.A. Sant’Ana; J. Mazzuchelli-de-Souza; D.D. Spadacci-Morena; W. Beçak; R.C. Stocco
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Bovine papillomavirus; BPV; DNA vaccine

Papillomaviruses are known to cause tumor lesions, generally benign, in epithelial tissues of diverse organisms; these lesions may progress to cancer under suitable conditions. Bovine papillomavirus (BPV) can cause urinary bladder cancer and cancer of the upper gastrointestinal tract. Furthermore, BPV1 and BPV2 are implicated in the development of tumors in equids. Many studies with ... more

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