A cDNA clone encoding a pheromone binding protein 3 from antenna of Helicoverpa assulta (named HassPBP3) was isolated by reverse transcription polymerase chain reaction (RT-PCR).

• 利用RT-PCR技术从烟实夜蛾Helicoverpa assulta( Hass)雄虫触角中扩增得到了信息素结合蛋白3( HassPBP3)。