Preliminary Study on Puffer Fish ProteomeSpecies Identification of Puffer Fish by Two-Dimensional Electrophoresis

The aims of this work were to determine the differential characterization of the urea soluble protein components of puffer fish species and to establish a preliminary proteomic database using an immobilized pH gradient two-dimensional electrophoresis (2DE) technique. The puffer fish muscle proteins...

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Veröffentlicht in:Journal of agricultural and food chemistry 2004-04, Vol.52 (8), p.2236-2241
Hauptverfasser: Chen, Tai-Yuan, Shiau, Chyuan-Yuan, Wei, Cheng-I, Hwang, Deng-Fwu
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container_issue 8
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container_title Journal of agricultural and food chemistry
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creator Chen, Tai-Yuan
Shiau, Chyuan-Yuan
Wei, Cheng-I
Hwang, Deng-Fwu
description The aims of this work were to determine the differential characterization of the urea soluble protein components of puffer fish species and to establish a preliminary proteomic database using an immobilized pH gradient two-dimensional electrophoresis (2DE) technique. The puffer fish muscle proteins resolved into 171−260 spots in the 2DE gels, with a pI range of 3−10 and molecular mass range of 7.4−205.0 kDa, following Comassie blue staining. Puffer fish muscle proteins fell in the region with pI values of 3.5−7.0, and molecular masses of 7.4−45.0 kDa were well-resolved and were good for species comparison. The more acidic proteins of lower molecular masses showed species specific characteristics. Therefore, the species of puffer fish can be differentiated from the comparison of the characteristic 2DE protein patterns. Keywords: Two-dimensional electrophoresis; puffer fish; species identification; proteome; protein
doi_str_mv 10.1021/jf035033n
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subjects animal proteins
Animals
Biological and medical sciences
Databases as Topic
Databases, Protein
Electrophoresis, Gel, Two-Dimensional
Fish and seafood industries
fish products
food analysis
Food industries
Fugu
Fundamental and applied biological sciences. Psychology
gel electrophoresis
Hydrogen-Ion Concentration
Isoelectric Point
Lagocephalus
marine fish
Molecular Weight
Muscle Proteins - chemistry
Muscle Proteins - isolation & purification
product authenticity
protein composition
proteome
Proteome - isolation & purification
proteomics
Solubility
Species Specificity
Tetraodontidae
Tetraodontiformes - classification
Urea
urea soluble proteins
title Preliminary Study on Puffer Fish ProteomeSpecies Identification of Puffer Fish by Two-Dimensional Electrophoresis
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