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Labrys potucalensis, a bacterial strain with the capacity to degrade fluorobenzene

Carvalho, M.F.; Marco, P. de; Duque, A.F.; Pacheco, C.C.; Janssen, D.B.; Castro, P.M.


Labrys portucalensis, a bacterial strain with the capacity to degrade fluoroben...

Carvalho, M.F.; de Marco, P.; Duque, A.F.; Pacheco, C.C.; Janssen, D.B.; Castro, P.M.L.


Long-term performance and microbial dynamics of an up-flow fixed bed reactor es...

Carvalho, M. F.; Jorge, R. Ferreira; Pacheco, C. C.; De Marco, P.; Henriques, I. S.; Correia, A.; Castro, P. M. L.

An up-flow fixed bed reactor (UFBR) was established to investigate the biodegradation of fluorobenzene (FB) under a number of operating conditions, which included variation in the concentration of FB in the feed stream (up to 180 mg l−1) and temporary suspension of feeding. Degradation of FB was followed for a period of 8 months under a continuous flow regime. During the operation of the UFBR, FB was never dete...


Isolation and characterization of polymeric galloyl-ester- degrading bacteria f...

Franco, A. R.; Calheiros, C. S. C.; Pacheco, C. C.; Marco, P. De; Manaia, C. M.

The culturable bacteria colonizing the rhizosphere of plants growing in the area of discharge of a tannery effluent were characterized. Relative proportions of aerobic, denitrifying, and sulfate-reducing bacteria were determined in the rhizosphere of Typha latifolia, Canna indica, and Phragmites australis. Aerobic bacteria were observed to be the most abundant group in the rhizosphere, and plant type did not se...


Isolation and properties of a pure bacterial strain capable of fluorobenzene de...

Carvalho, M. F.; Jorge, R. Ferreira; Pacheco, C. C.; Marco, P. De; Castro, P. M. L.

A pure bacterial strain capable of aerobic biodegradation of fluorobenzene (FB) as the sole carbon and energy source was isolated by selective enrichment from sediments collected from a polluted site. 16S rRNA and fatty acid analyses support that strain F11 belongs to a novel genus within the a-2 subgroup of the Proteobacteria, possibly within a new clade related to the order Rhizobiales. In batch cultures, gro...


Epifluorescence microscope methods for bacterial enumeration in a 4-chloropheno...

Pacheco, C.C.; Alves, C.C.; Barreiros, L.; Castro, P.M.L.; Teixeira, P.C.M.

Epifluorescence microscope methods, namely BacLight, direct epifluorescence filter technique and Rhodamine 123, consistently underestimated plate bacterial counts in a 4-chlorophenol degrading consortium. Cells capable of passing through 0.2 mgrm filters, referred as `ultramicrocells', were found. Although cell counts were higher when traditional methods were used, BacLight and direct epifluorescence filter tec...


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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia