An interfacial uptake mechanism for the degradation of pyrene by a Rhodococcus strain

Article Abstract:

A kinetic approach by electrolytic respirometry with the Sapromat apparatus was used to characterize uptake mechanisms of polycylic aromatic hydrocarbons. The approach utilized a biphasic medium, determined the physicochemical phase transfer rates and biodegration rates, and interpreted the kinetic data in terms of mathematical models of uptake mechanisms. Degradation of pyrene by a Rhodococcus sp. showed the existence of a different substrate mechanism.

Analysis, Physiological aspects, Microorganisms, Polycyclic aromatic hydrocarbons, Hydrocarbon research

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Intracellular survival and saprophytic growth of isolates from the Burkholderia cepacia complex in free-living amoebae

Article Abstract:

Research was conducted to examine the intracellular survival and saprophytic growth of isolates from the Burkholderia cepacia complex in free-living amoebae. It was observed that clinical and environmental strains of the B. cepacia complex can survive within different isolates of the genus Acanthamoeba. Results indicate that free-living amoebae may be a reservoir for the acquisition, and perhaps the transmission of B. cepacia.

Bacteria, Viruses, Cystic fibrosis, Amoeba, Amoebas

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