Aislamiento de bacterias potencialmente degradadoras de petróleo en hábitats de ecosistemas costeros en la Bahía de Cartagena, Colombia

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Autores

Gustavo Eugenio Echeverri Jaramillo
Ganiveth Manjarrez Paba
Melody Cabrera Ospino

Resumen

En esta investigación se aislaron bacterias de 4 hábitats en el ecosistema marino aledaño a una industria petroquímica en la Bahía de Cartagena. En el proceso, las muestras se sometieron a pre-enriquecimiento por una semana, a enriquecimiento por tres semanas y a un proceso de selección de cepas competitivas, donde se evidenciaron cambios marcados en las propiedades del crudo de petróleo, como en turbidez y agregados blancos por crecimiento bacteriano. Se aislaron diferentes morfotipos que al caracterizar bioquímicamente fueron identificados como Pseudomonas aeruginosa en todas las muestras, corroborando su gran capacidad de adaptación en ambientes contaminados de este tipo. Estos resultados permitirán la realización de pruebas de biodegradación con esta bacteria y desarrollar ensayos a nivel microcosmos para su uso potencial en procesos de biorremediación de aguas marinas contaminadas con petróleo.

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Licencia Creative Commons
NOVA por http://www.unicolmayor.edu.co/publicaciones/index.php/nova se distribuye bajo una Licencia Creative Commons Atribución-NoComercial-SinDerivar 4.0 Internacional.

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DOI: http://dx.doi.org/10.22490/24629448.441

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