Malate dehydrogenase isozymes in five species of sarcophagid flies (Sarcophagidae: Diptera)

Abstract

Malate dehydrogenase banding patterns were analyzed by polyacrylamide gel electrophoresis in Sarcophaga ruficornis, S. argyrostoma, S. dux, S. invaria and S. peregrina. Two distinct zones of MDH activity, attributed to be the product of two gene loci, namely, MDH-1 and MDH-2 were observed. The MDH-1 locus revealed polymorphism for three electrophoretic phenotypes which are governed by two electromorphs MDH-1^a and MDH-1^b. The MDH banding pattern does not reveal any notable interspecific difference.