Physical mapping and characterization of a catabolic plasmid from the deep-subsurface bacterium Sphingomonas sp. strain F199.

AUTOR(ES)

Stillwell, L C

RESUMO

A supercoiled 180-kb plasmid, pNL1, has been isolated from the deep-subsurface, chemoheterotrophic Sphingomonas sp. strain F199, and a physical map was generated. Analysis of a pNL1-derived cosmid library indicated that catechol 2,3-dioxygenase activity was linked to two distinct regions of the plasmid. Thus, the genes for aromatic catabolism in this Sphingomonas strain are, at least in part, plasmid encoded.

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