Tandem Mass Tag-Based Proteomic Analysis of Protein Changes in Superchilled Crayfish (procambarus Clarkii) Presoaked with Carrageenan Oligosaccharides
Food chemistry(2024)
摘要
To assess the effectiveness of carrageenan oligosaccharides (COs) in enhancing superchilling storage of crayfish, the physicochemical features of muscle and protein abundance in the refrigerated sample (RS), superchilled sample (SS) and COs soaked superchilled sample (CS) were evaluated. Microstructural and SDS-PAGE analyses suggested that CS exhibited fewer pores, with a microstructure and protein subunits distribution more similar to RS. Tandem Mass Tags quantitative proteomic analysis revealed 66 up-regulated differentially abundant proteins (DAPs) in the CS vs. SS batch, including myosin light chain 2, neural cadherin, integrin beta, lectin-like protein, toll-1, reticulon-1, and moesin/ezrin/radixin homolog 1, which facilitate cells adhesion and maintain membrane/cytoskeleton integrity. Eukaryotic Clusters of Orthologous Groups results confirmed that COs treatment increased the stability of crayfish myofibrillar proteins by up-regulating DAPs, which were concentrated in functional categories such as “posttranslation modification, protein turnover, chaperones”, “signal transduction mechanisms”, “energy production and conversion”, and “cytoskeleton”.
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关键词
Tandem Mass Tags (TMT),Carrageenan oligosaccharides (COs),Crayfish,Superchilled storage,Protein degradation
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