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. 1984;79(1):81-6.
doi: 10.1016/0305-0491(84)90081-6.

Salivary apyrase of Aedes aegypti: characterization and secretory fate

J M Ribeiro, J J Sarkis, P A Rossignol, A Spielman

Salivary apyrase of Aedes aegypti: characterization and secretory fate

J M Ribeiro et al. Comp Biochem Physiol B. 1984.

Abstract

Salivary gland homogenates of female adult Aedes aegypti hydrolyzed ATP and ADP thereby defining an apyrase activity. Activity is divalent cation dependent with an optimum pH of 9.0. ATPase and ADPase activities could not be dissociated thus suggesting the presence of a true apyrase enzyme. Apyrase activity is low on the day of emergence but increases to 160 mU per pair of glands on the second day. The site at which mosquitoes probed into warm polyacrylamide gels retains apyrase activity, confirming the secretory fate of this activity.

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