Abstract
SummaryThe tyrosinase activity in 4 varieties of goldfish (Carassius auratus L.), white, xanthic, grey and black moor, was determined. Tyrosinase activity occurred in both the soluble and particulate fractions of skin homogenates. Total tyrosinase activity was increased in both fractions with increasing melanin pigmentation. The activity increase, however, occurred, for the most part, in the particulate fraction. White and xanthic goldfish were identical in tyrosinase content and distribution. Tyrosinase activity in black moor skin is: skin to fin ratio, 4:1; dorsal skin to ventral skin ratio, 4:1; right side to left side ratio, 1:1. Further, smaller fish have a higher skin tyrosinase level than larger fish.
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Schedule a callMore From: Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.)
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