Sea urchin tube feet: unique structures that allow a cytological and molecular approach to the study of actin and its gene expression

Abstract

Actin is the major extractable protein component from the tube feet of four different species of sea urchin: Arbacia punctulata, Strongylocentrotus purpuratus, Strongylocentrotus droebachiensis, and Diadema setosum. Actin made up as much as 60% of the total Coomassie Blue-staining material after SDS polyacrylamide gel electrophoresis and densitometer… (More)

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