Studies of the Levels and Synthesis of Cytochrome c during Adult Development of the Blowfly Lucilia cuprina
Keith L. Williams 1, Elizabeth Smith 1, Denis C. Shaw 1, and L. Michael Birt 1
From the
1 From the Departments of Biochemistry of the School of General Studies, and of the John Curtin School of Medical Research, Australian National University, Canberra, Australian Capital Territory, Australia
Cytochrome c from the blowfly Lucilia cuprina has been purified and its amino acid composition determined. Levels of cytochrome c in both the whole insect and the thorax have been determined during development. Thoracic cytochrome c has been shown to be synthesized de novo, at a rate sufficient to account for the appearance of the protein in the thorax during adult maturation. Cytochrome c synthesis in vivo was abolished by cycloheximide and unaffected by chloramphenicol. Amino acids derived from the degradation of an exogenous injected protein were incorporated into cytochrome c.
Submitted on February 29, 1972