Cloning of genes for naphthalene metabolism in Pseudomonas putida.
AUTOR(ES)
Grund, A D
RESUMO
Plasmid pIG7 DNA cloned in Pseudomonas putida with the broad-host-range vectors pRK290 and pKT240 expresses the genes encoding nephthalene oxidation in the presence of the intermediate substrate, salicylate, or the gratuitous inducer, anthranilate. Two operons, nahAF and nahGK, cloned from the EcoRI fragment A (25 kilobases) are under wild-type regulation by the nahR locus. Deletion plasmids provide a restriction map of both operons. Double transformants containing structural and regulatory cistron nahR in trans are used to demonstrate positive control of expression.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=215054Documentos Relacionados
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