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Electrophoretic analysis of the free hemolymph proteins of Orconectes palmeri palmeri (Faxon) and Procambarus clarkii (Girard)
Payne JF, Biggers CJ and Scott ML 
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Abstract
Acrylamide gel electrophoresis of hemolymph from the crayfish Orconectes palmeri palmeri and Procambarus clarkii indicated three zones of protein bands; as many as 11 different bands were noted in studies of over 300 specimens. Protein banding patterns were similar in both sexes of the same species, and in specimens of the two species. Two hemocyanin bands were present in all specimens tested; these hemocyanins were glycoprotein and may represent dissociated portions of a monomer which is the smallest O2 binding unit of the animal's hemocyanin polymer. These species apparently have no free hemolymph protein clotting factor similar to mammalian fibrinogen as reported for several other crustacean species. The presence of a female-limited lipoprotein was not demonstrated.
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Payne JF, Biggers CJ and Scott ML. (1977). Electrophoretic analysis of the free hemolymph proteins of Orconectes palmeri palmeri (Faxon) and Procambarus clarkii (Girard). Freshwater Crayfish 3(1):281-293. doi: 10.5869/fc.1977.v3.281
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