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Related Experiment Video

Updated: May 29, 2026

Exploring the Longissimus Muscle: Unraveling its Correlation with Meat Quality in Bos indicus and Crossbred Bulls
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Exploring the Longissimus Muscle: Unraveling its Correlation with Meat Quality in Bos indicus and Crossbred Bulls

Published on: July 12, 2024

Muscle transcriptomic analyses in Angus cattle with divergent tenderness.

Chunping Zhao1, Fei Tian, Ying Yu

  • 1College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, 712100, China.

Molecular Biology Reports
|September 9, 2011
PubMed
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Identifying genes linked to beef tenderness is crucial for improving meat quality. This study analyzed Angus cattle muscle, revealing key genes involved in lipid metabolism and muscle contraction that influence tenderness.

Area of Science:

  • Animal Science
  • Genetics
  • Biochemistry

Background:

  • Beef tenderness is a primary driver of palatability, influenced by genetic and environmental factors.
  • Understanding the molecular basis of beef tenderness is essential for improving meat quality in livestock.

Purpose of the Study:

  • To identify candidate genes and biological pathways associated with beef tenderness.
  • To analyze gene expression in the longissimus dorsi (LD) muscle of Angus cattle with varying tenderness levels.

Main Methods:

  • Utilized microarray and RT-PCR analyses to compare gene expression in tough versus tender LD muscle samples.
  • Applied Gene Ontology (GO) and Ingenuity Pathway Analysis (IPA) to interpret differentially expressed genes.

Main Results:

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Published on: April 26, 2013

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Last Updated: May 29, 2026

Exploring the Longissimus Muscle: Unraveling its Correlation with Meat Quality in Bos indicus and Crossbred Bulls
07:46

Exploring the Longissimus Muscle: Unraveling its Correlation with Meat Quality in Bos indicus and Crossbred Bulls

Published on: July 12, 2024

Introducing an Angle Adjustable Cutting Box for Analyzing Slice Shear Force in Meat
09:30

Introducing an Angle Adjustable Cutting Box for Analyzing Slice Shear Force in Meat

Published on: April 26, 2013

  • Identified 53 differentially expressed genes in tender versus tough beef samples.
  • Key genes identified include MYH3, MYH8, GBP5, FABP4, SCD, FASN, and UHRF1.
  • Associated pathways involve lipid metabolism, skeletal muscle contraction, hydrolase/peptidase/GTPase activity, and tissue development.

Conclusions:

  • The study provides insights into the genetic and molecular mechanisms underlying beef tenderness.
  • Findings highlight the role of lipid metabolism and muscle contraction in determining beef quality.
  • This research contributes to understanding the complex interplay between muscle biology and beef palatability.