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Análisis de comunidades bacterianas en una celda de combustible microbiana

Authors: A. C. Ortega Martínez; A. Pérez Martínez; H. P. Medorio García; A.M. Rueda; E. Hernández Domínguez;

Análisis de comunidades bacterianas en una celda de combustible microbiana

Abstract

Las celdas de combustible microbiano son dispositivos electroquímicos que utilizan microorganismos como biocatalizadores. Ciertos tipos de bacterias, presentes en las biopelículas formadas en el ánodo de las celdas, se enriquecen durante el funcionamiento del dispositivo convirtiéndose en los microorganismos responsables de ejecutar los procesos de transferencia electrónica [Li y col., 2018; Martell, 2017]. Por tal motivo, el presente estudio consistió en caracterizar molecularmente la comunidad bacteriana presente en la biopelícula anódica. El sistema fue operado con agua residual sintética y un inóculo sulfato reductor durante 50 días. La identificación de los microorganismos se llevó a cabo mediante la extracción del ADN, y su cuantificación por espectrofotometría, posteriormente se realizó la amplificación y secuenciación del gen RNAr 16s de dos muestras, al inicio y al final de la operación del dispositivo. Los resultados obtenidos mostraron los géneros de bacterias prevalecientes asociados a Clostridia, Bacilli, Bacteroidetes y Gammaproteobacterias, relacionadas con actividad electrogénica.

Keywords

Celdas de combustible microbiana, sulfato-reductoras, inóculo

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This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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