대장균 rnpA 돌연변이를 보완작용할 수 있는 Brevibacterium albidum 염색체 부위의 특성

Abstract

The chromosomal region containing the gene capable of complementing the E. coli rnpA mutation was obtained from genomic DNA of Brevibacterium albidum. The selection procedure was based on the formation of an enzymatically functional hybrid RNase P enzyme by heterologous gene products in E. coli. Unlike the E. coli rnpB gene, the B. albidum DNA region on a multicopy plasmid did not complement the E. coli rnpB mutation. The deletion analysis indicates that the rnpA-complementing activity resides in the 2.75 kb region.