Identification of a putative azadirachtin-binding complex fromDrosophila Kc167 cells
ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY(2007)
摘要
Cell-proliferation in Drosophila Kc167 cells was inhibited by 50% when cell cultures contained 1.7 x 10(-7) M azadirachtin for 48 h (a tertranortriterpenoid from the neem tree Azadirachta indica). Drosophilo Kcl 67 cells exhibited direct nuclear damage within 6-h exposure to azadirachtin (5 x 10(-7) M and above) or within 24 h when lower concentrations were used (1 x 10(9) M). Fractionation of an extract of Drosophila Kc167 cells combined with ligand overlay technique resulted in the identification of a putative azadirachtin binding complex. Identification of the members of this complex by Peptide Mass Fingerprinting (PMF) and N-terminal sequencing identified heat shock protein 60 (hsp60) as one of its components.
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关键词
azadirachtin,Drosophila Kc167 cells,mitosis and proliferation,heat shock protein
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