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Biological degradation of molinate by a bacterial mixed culture : study of popu...
Barreiros, Luísa Maria Ribeiro da SilvaTese de doutoramento. Ciências de Engenharia. Faculdade de Engenharia. Universidade do Porto. 2009
Bacterial diversity and bioaugmentation in floodwater of a paddy field in the p...
Barreiros, Luisa; Manaia, Célia M.; Nunes, Olga C.This work aimed at studying variations on the diversity and composition of the bacterial community of a rice paddy field floodwater, subjected to conventional management, namely by using the herbicide molinate. The promotion of the herbicide biodegradation either by the autochthonous microbiota or by a bioaugmentation process was also assessed. This study comprehended four sampling campaigns at key dates of the...
New insights into a bacterial metabolic and detoxifying association responsible...
Barreiros, Luisa; Fernandes, Ana; Ferreira, António C. Silva; Pereira, Helena; Bastos, Margarida M. S. M.; Manaia, Célia M.; Nunes, Olga C.A novel pathway of molinate mineralization promoted by a defined mixed culture composed of five bacteria (named ON1 to ON5) was proposed previously. Evidence was obtained of a metabolic association between Gulosibacter molinativorax ON4T, capable of molinate breakdown, and the remaining bacteria. In the present study, the role of each isolate in that metabolic association was further explored and the possible s...
A novel pathway for mineralization of the thiocarbamate herbicide molinate by a...
Barreiros, Luísa; Nogales, Balbina; Manaia, Célia M.; Ferreira, António C. Silva; Pieper, Dietmar H.A bacterial mixed culture able to mineralize molinate as established, through enrichment, using mineral medium with molinate as the only carbon, nitrogen and energy source. The combination of five cultivable isolates, purified from the enrichment culture, permitted the reconstitution of a degrading consortium. Both enrichment and defined cultures were able to mineralize molinate without accumulation of degradat...
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