Vegetative insecticidal proteins(Vip),secreted by many Bacillus thuringiensis strains during their vegetative growth stage,are regarded as second generation insecticidal proteins for they share no seq
Diamondback moth(DBM),Plutella xylostella(L.)(Lepidoptera: Plutellidae)is a notorious insect pest attacking cruciferous plants,causing a loss of US$4-5 billions per year worldwide.
Odorant binding proteins(OBPs)are responsible for binding and transporting host plants volatiles to odorant receptors to initiate the hierarchy olfaction responses.
The diamondback moth,Plutella xylostella(Lepidoptera,Plutellidae),is one of the most destructive pests attacking economically important Brassicea crops.