FOOD SCIENCE ›› 2006, Vol. 27 ›› Issue (12): 463-466.

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Purification and Characterization of Titin from Sea Bream

DU Xue-li1,2,CAI Qiu-feng1,CAI Yang-peng1,CAO Min-jie1,SU Wen-jin1   

  1. 1.School of Bioengineering, Jimei University, Xiamen 361021, China; 2.College of Food Science and Technology, Shanghai Fisheries University, Shanghai 200090, China
  • Online:2006-12-15 Published:2011-11-23

Abstract: Titin was purified from the skeletal muscle of sea bream (Sparus latus) by means of extraction at low temperature and gel-filtration column on Sephacryl S-400. Dot-blot analysis revealed that purified titin positively reacted with mouse anti-chicken titin monoclonal antibody. Titin in myofibril or in purified state can be degraded by a myofibril-bound serine proteinase (MBSP) at the optimum temperature of 55℃.

Key words: Sparus latus, titin, purification, degradation, MBSP