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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Drosophila yolk protein produced in E. coli is accumulated by mosquito ovaries.

Despite similar functions, the yolk proteins of the higher dipteran flies and the vitellogenins found in other insects are unrelated at the sequence level and have evolved from different genes. Both are selectively endocytosed into the ovary via receptors belonging to the LDLR receptor subfamily. We cloned the Drosophila yp1 gene into an E. coli expression vector and showed that the yolk protein produced by E. coli is taken up into ovaries of both Drosophila melanogaster and the malaria mosquito Anopheles gambiae, which normally uses vitellogenin.[1]


  1. Drosophila yolk protein produced in E. coli is accumulated by mosquito ovaries. Bownes, M., Hurd, H., Büsgen, T., Servay, D., Alvis, S., Popovic, B., Bruce, S., Burns, I., Rothwell, K., Walkinshaw, M. Insect Mol. Biol. (2002) [Pubmed]
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