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KMID : 0364219850280020061
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Korean Journal of Zoology
1985 Volume.28 No. 2 p.61 ~ p.70
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The Comparison of Protein Patterns of Several Species in Bivalvia by SDS Polyacrylamide Gel Electrophoresis
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Choi Won-Chul
Ha Man-Joon
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Abstract
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SDS-polyacrylamide gel electrophoresis for the proteins obtained from the plasma, Scapharca subcrenata and suapharca broughtonii, and for the proteins of muscles of several species in Bivalvia was performed. The protein patterns of plasma showed little difference between S. subcrenata and S. broughtonii in lower molecular weight weight proteins. However, the protein patterns of muscles of other species, which wre used in this study, were more shown in the lower molecular weights than the higher molecular weights in difference. Thus it is thought be an interesting fact. The protein band of blood corpuscles, 17,800 dalton, was not appeared in S. broughtonii, but this band was appeared in S. subcrenata. Henceforth this is the significantly important difference in these two species. But the protein patterns obtained from muscles of the species did not show a difference in a range of molecular weights between 10,000 and 100,000 daltons. Meanwhile, several protein bands obtained from Meretrix lusoria were similar to those of Mercenaria stimpsona. Hence, in this study, 6 protein bands which exist all species in Bivalvia and 4 characteristic protein bands in S. subcrenata and S. broughtoniionly, were investigated. And in four species of Eulamellibranchia, two protein bands in comon and the characteristic band of 23,000 dalton which is belong to Meretrix lusoria and Mercenaria stimdsona, were found. The molecular weights of the characteristic protein patterns, which are contained in each species, were measured and compared.
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