The 660 bp region between nodD3 P1 promoter and the following coding region of Rhizobium meliloti has been studied.This region is designated "downstream sequenc
The upstream regulatory region of a seed-specific gene was isolated from the genomic DNA of Brassica napus by PCR amplification. The cloned fragment contained 1
In order to understand why CD2 has a dual action of transduction of activation or apoptosis signals in T cells under different experimental conditions, we emplo
Mammalian cloning has been one of the most active research topics in the world.Cloning with in vitro culured foetal fibroblast cells,in comparison with embryoni