1.
Appl Environ Microbiol
; 55(8): 2056-60, 1989 Aug.
Artigo
em Inglês
| MEDLINE
| ID: mdl-2675764
RESUMO
The Azospirillum brasilense ATCC 29145 gene coding for beta-lactamase was cloned in Escherichia coli. The gene was expressed in E. coli from its own promoter as a 30-kilodalton protein, conferring resistance to high levels of beta-lactam antibiotics. The DNA sequence containing the beta-lactamase gene was found to be highly amplified in the Azospirillum genome, scattered in the chromosomal as well as in the plasmidic DNA.