Summary
The pH and temperature for the optimum activity of trypsin from the midgut ofSarcophaga ruficornis andMusca domestica was 7.5 and 8.0 respectively and 50°C. The enzymic activity increased with the increase in incubation period and enzyme concentration.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
R. H. Dadd,Chemical Zoology (Eds.M. Florkin andB. T. Sheer; Academic Press Inc. Ltd. London 1970), vol. 5, part A.
M. Sinha, Curr. Sci.43, 320 (1974).
M. Sinha, Entomologia exp. et appl., in press (1975).
Y. J. Yang andD. M. Davies, J. Insect Physiol.14, 205 (1968).
R. J. Tatchell, Parasitology48, 448 (1958).
R. F. Powning, M. F. Day andH. Irzykiewiez, Austr. J. scient. Res. B34, 49 (1951).
R. P. Hobson, Expl Biol.8, 139 (1931).
B. Greenberg andD. Paretsky, Ann. ent. Soc. Am.48, 46 (1955).
R. A. Champlain andF. W. Fisk, Ohio J. Sci.56, 52 (1956).
H. L. House,The Physiology of Insecta (Ed.M. Rockstein; Academic Press, New York 1965), vol. 2, p. 815.
M. Sinha, Indian J. exp. Biol.13, 88 (1975).
R. A. Patterson andF. W. Fisk, Ohio J. Sci.58, 299 (1958).
R. H. Gooding, Comp. Biochem. Physiol.15, 325 (1969).
S. Lin andA. G. Richards, Ann. ent. Soc. Am.49, 239 (1956).
M. Lineweaver andD. Burk, J. Am. chem. Soc.56, 658 (1934).
K. Hori, Res. Bull. Obihiro. Univ.6, 318 (1970).
Author information
Authors and Affiliations
Additional information
Thanks are due to Prof.R. Rakshpal for guidance.
Rights and permissions
About this article
Cite this article
Sinha, M. Trypsin activity in the midgut ofSarcophaga ruficornis andMusca domestica (Diptera: Insecta). Experientia 32, 1289–1290 (1976). https://doi.org/10.1007/BF01953098
Published:
Issue Date:
DOI: https://doi.org/10.1007/BF01953098