Replication of plasmids from Staphylococcus aureus in Escherichia coli.
AUTOR(ES)
Goze, A
RESUMO
Plasmid pBR322 derives from plasmid ColE1 and does not replicate in Escherichia coli strains lacking DNA polymerase I. Hybrids between pBR322 and a plasmid isolated from Staphylococcus aureus, pC194, replicate in such E. coli strains, provided that the pC194 replication region is intact. Inactivation of the pBR322 replication region does not interfere with the replication of hybrids in E. coli. Hybrids between pBR322 and two other plasmids from S. aureus, pT127 and pUB112, and replicate at the restrictive temperature in E. coli having thermosensitive DNA polymerase I. Similar hybrids involving pC221 and pHV400, plasmids from S. aureus and Bacillus subtilis, respectively, do not replicate under such conditions. These results show that some plasmids from a Gram-positive bacterium, S. aureus, can replicate in a Gram-negative one, E. coli.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=350497Documentos Relacionados
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