To establish a transient expression system for genes introduced into sand fly cell lines, we tested the expression of the luciferase reporter gene under control of different promoters. Towards this end, we lipofected cell lines obtained from New and Old World sand flies, LL-5 from Lutzomyia longipalpis Lutz & Neiva and PP-9 from Phlebotomus papatasi Scopoli, respectively. The relative levels of luciferase expression were studied under control of Drosophila melanogaster Meigen heat shock protein 70 (hsp70), human cytomegalovirus, simian virus 40 or Junonia coenia (Hübner) densovirus (P9) promoters. The Drosophila heat shock protein 70 promoter, originating from insect genes, functioned as a strong promoter in both cell lines. Promoters from the different virus genes also were capable of driving transgene expression in both cell lines.
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1 November 2000
Expression of Heterologous Promoters in Lutzomyia longipalpis and Phlebotomus papatasi (Diptera: Psychodidae) Cell Lines
Elvira Saraiva,
Patrícia Fampa,
Virna Cedeno,
Max Bergoin,
Eric Mialhe,
Louis H. Miller
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Journal of Medical Entomology
Vol. 37 • No. 6
November 2000
Vol. 37 • No. 6
November 2000
heterologous promoters
luciferase expression
Lutzomyia
Phlebotomus
sand fly cells
