国家自然科学基金资助项目 (No .3 973 0 3 70 );重庆市科委攻关项目 (No .2 0 0 0 - 62 12 ) ~~
The total RNA of the silkworm (Bombyx mori) was obtained with chlorinated caesium density gradient centrifugation. mRNA was converted to cDNA by reverse transcription. This cDNA was used as a template for two PCR ampl...