相关实验视频

Updated: Jun 16, 2025

Author Spotlight: Improving Beef Cattle Nutrition and Production with a Focus on Feed Efficiency and Meat Quality Traits Through Advanced Biochemical and Molecular Assays

Author Spotlight: Improving Beef Cattle Nutrition and Production with a Focus on Feed Efficiency and Meat Quality Traits Through Advanced Biochemical and Molecular Assays

Published on: July 12, 2024

卡尔帕斯塔丁基因中的多态性改变了易受刺激的牛中的牛肉软化:一项初步研究

Ana Cláudia da Silva¹, Patricia Maloso Ramos², Aline Silva Mello César³

¹Departmento de Zootecnia, Escola Superior de Agricultura "Luiz de Queiroz", Universidade de São Paulo, Piracicaba 13400-900, SP, Brazil.

Animals : an open access journal from MDPI

|June 13, 2025

概括

在calpastatin (CAST) 基因中具有AA基因型的宁静的内罗尔牛产生更多的嫩牛肉. 刺激性牛或具有AG等位基因的牛具有较少的软牛肉和较高的calpastatin活性.

科学领域:

动物科学动物科学
遗传学是一个遗传学.
食品科学食品科学食品科学

背景情况:

牛肉柔软度的变化是肉类行业的一个重大挑战,特别是在*Bos taurus indicus*品种.
卡尔帕斯塔丁 (CAST) 基因多态是预测牛肉质量特征的潜在标记物.

研究的目的:

调查卡尔帕斯塔丁 (CAST) 基因单核酸多形态 (SNP) 与不同气质的内罗尔牛的牛肉柔软性之间的关联.
了解气质和CAST基因型对牛肉质量参数的综合影响.

主要方法:

纳洛尔牛的基因型为CAST SNP,并评估气质.
动物被分为平静的 (AA,AG) 和容易兴奋的 (AA,AG) 组.
尸体特征 (pH,温度,颜色),牛肉软化 (剪切力,MFI) 和calpastatin活性在28天的老化过程中得到评估.

主要成果:

在CAST基因中具有AA基因型的平静动物在28天后表现出明显更多的嫩牛肉.
易受刺激的牛和具有AG等位基因的牛表现出减少的柔软性和增加的calpastatin活性.
易受刺激的动物表现出较慢的牛肉软化过程.

结论:

在CAST基因中的AA等位基因,与平静的气质相结合,是内罗尔牛的牛肉柔软度增强的有利指标.
针对CAST基因型的气质和遗传选择的管理策略可以提高牛肉的质量.

关键词:

牛肉是牛肉的,因为牛肉是牛肉.碎片化碎片化碎片化它们的pH值为pH.蛋白质溶解过程中的蛋白质溶解.压力反应应对压力的反应.这是一种温柔,温柔的情感.

更多相关视频

Quantifying Tissue-Specific Proteostatic Decline in Caenorhabditis elegans

Quantifying Tissue-Specific Proteostatic Decline in Caenorhabditis elegans

Published on: September 7, 2021

Using Caenorhabditis elegans as a Model System to Study Protein Homeostasis in a Multicellular Organism

Using Caenorhabditis elegans as a Model System to Study Protein Homeostasis in a Multicellular Organism

Published on: December 18, 2013

相关概念视频

Calmodulin-dependent Signaling

Calmodulin-dependent Signaling

Calmodulin (CaM) is a calcium-binding protein in eukaryotes that controls various calcium-regulated cellular processes. It has four calcium-binding sites that bind calcium to form the calcium-calmodulin ( Ca2+-CaM) complex. GPCR stimulation increases the calcium levels in the cells that bind to CaM and induces a conformational change.
The Ca2+-CaM complex does not have enzymatic activity by itself. Instead, the complex binds downstream target proteins, including membrane proteins or enzymes,...

Epistasis Analysis

Epistasis Analysis

Although Mendel chose seven unrelated traits in peas to study gene segregation, most traits involve multiple gene interactions that create a spectrum of phenotypes. When the interaction of various genes or alleles at different locations influences a phenotype, this is called epistasis. Epistasis often involves one gene masking or interfering with the expression of another (antagonistic epistasis). Epistasis often occurs when different genes are part of the same biochemical pathway. The...

Pleiotropy

Pleiotropy

Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...