Genetics of lucilin,a storage protein from the sheep blowfly,Lucilia cuprina (Calliphoridae) |
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| Authors: | John A. Thomson Karen R. Radok Denis C. Shaw Maxwell J. Whitten Geoffrey G. Foster L. Michael Birt |
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| Affiliation: | (1) Genetics Department, University of Melbourne, Melbourne, Australia;(2) Biochemistry Department, School of General Studies, Australian National University, Canberra, Australia;(3) Present address: Division of Plant Industry, C.S.I.R.O., Canberra, Australia;(4) Department of Physical Biochemistry, John Curtin School of Medical Research, Australian National University, Canberra, Australia;(5) Division of Entomology, C.S.I.R.O., P.O. Box 1700, 2601 Canberra City, A.C.T., Australia;(6) Present address: Vice-Chancellor's Office, University of Wollongong, Wollongong, Australia |
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| Abstract: | Lucilin, the main storage protein of larval fat body and hemolymph in the sheep blowfly, Lucilia cuprina, has been isolated as a series of trimers composed of subunits of 83,000±5% daltons. Extensive electrophoretically detectable polymorphism of lucilin subunit patterns occurs in wild and laboratory populations of Lucilia; from four to nine bands are seen in any one individual. Evidence from genetic, electrophoretic, immunological, and structural studies suggests the existence of a series of 12 or more closely related structural loci (designated Luc-1 to Luc-12) which may have arisen through gene duplication. Codominant allelic variation has been found at several of these loci. Luc-1 and Luc-3, and probably the other structural loci of the series, are located on chromosome 2.Financial support for this work was largely obtained through the Australian Research Grants Committee (Grant D65/15167). J. A. T. held an Honorary Fellowship at the Australian National University during 1972–1973. |
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| Keywords: | Lucilia cuprina storage protein polymorphism gene duplication hemolymph |
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