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Immunochemical analysis of the origin of a sex-specific accumulated blood protein in female houseflies


, : Immunochemical analysis of the origin of a sex-specific accumulated blood protein in female houseflies. Journal of Insect Physiology 14(8): 1141-1146

As determined by immunodiffusion and immunoelectro-phoresis, the origin of the principal blood protein (Fraction 3) of newly emerged female houseflies is the larval fat body. This protein is carried over into the adult from immature stages of development. The sex-specific accumulated blood protein (Fraction 4) of milk-fed females originates in the adult fat body and is unique to the adult. The near-reciprocal relationship between the depletion of Fraction 3 and the accumulation of Fraction 4 in the blood of milk-fed females reflects the disappearance of larval fat body and formation of adult fat body, the respective sources of these blood proteins. Fraction 4 appears to arise de novo to meet requirements of the adult female, rather than being a conversion product of Fraction 3.

US$19.90

PMID: 5006201

DOI: 10.1016/0022-1910(68)90053-x


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