Proteomic Analysis Using Itraq Reveals the Alterations in Stress- Induced Dysfunctional Chicken Muscle

T. Xing; X. Zhao; G. Zhou; X. Xu

Proteomic Analysis Using Itraq Reveals the Alterations in Stress- Induced Dysfunctional Chicken Muscle

In: 63rd International Congress of Meat Science and Technology

Authors:

T. Xing

T. Xing Key Laboratory of Meat Processing and Quality Control, Synergetic Innovation Center of Food Safety and Nutrition, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China P.R.; xlxus@njau.edu.cn

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X. Zhao

X. Zhao Key Laboratory of Meat Processing and Quality Control, Synergetic Innovation Center of Food Safety and Nutrition, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China P.R.; xlxus@njau.edu.cn

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G. Zhou

G. Zhou Key Laboratory of Meat Processing and Quality Control, Synergetic Innovation Center of Food Safety and Nutrition, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China P.R.; xlxus@njau.edu.cn

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, and

X. Xu

X. Xu Key Laboratory of Meat Processing and Quality Control, Synergetic Innovation Center of Food Safety and Nutrition, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China P.R.; xlxus@njau.edu.cn

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Type:: Chapter

Pages:: 873–874

DOI:: https://doi.org/10.3920/9789086868605_391

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The objective of this study was to investigate the changes in the protein profiles of pale, soft and exudative (PSE)- like muscles of broilers subjected to transportation under high temperature conditions, using isobaric tags for relative and absolute analysis quantitation (iTRAQ). Pectoralis major (PM) muscles were collected and classified as normal (T-NOR) or PSE-like (T-PSE). Results indicated that broilers in the T-PSE group exhibited higher activities of plasma stress indicators. The microstructure of T-PSE group showed a looser network and larger intercellular spaces in comparison to the other groups. Proteomic analysis, based on iTRAQ revealed 29 differentially expressed proteins in the T-NOR and T-PSE groups that were involved in protein turnover, signal transduction, stress and defense, calcium handling, cell structure and metabolism. In particular, proteins relating to the glycolysis pathway, calcium signaling, and molecular chaperones exhibited significant differences that may contribute to the inferior post mortem meat quality. Overall, the proteomic results provide a further understanding about the mechanism of meat quality changes in response to stress.

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

E-Book ISBN:: 9789086868605

Publisher:: Wageningen Academic

Print Publication Date:: 15 Nov 2017

Subjects
- Life Sciences

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Proteomic Analysis Using Itraq Reveals the Alterations in Stress- Induced Dysfunctional Chicken Muscle

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

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