Biofuel cells select for microbial consortia that self-mediate electron transfer

Article Abstract:

The analyses of whether a bacterial community, either suspended or attached to an electrode, can evolve in a microbial fuel cell to bring about higher power output and to identify species responsible for the electricity generation are described. The enrichment procedure, irrespective of whether only attached or suspended bacteria were examined, selected for organisms capable of mediating the electron transfer either by direct bacterial transfer or by excretion of redox components.

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Slow-release inoculation allows sustained biodegradation of gamma-hexachlorocyclohexane

Article Abstract:

A study was conducted to investigate the feasibility of a slow-release inoculation approach as a bioaugmentation strategy for the degradation of lindane (gamma-hexacholorocyclohexane). It was observed that a slow-release inoculation approach can enhance the pollutant removal and can prolong the degrading activity in comparison with traditional inoculation strategies.

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Strain-specific ureolytic microbial calcium carbonate preciptation

Article Abstract:

The authors have investigated microbial calcium carbonate preciptation. They report that bacterial isolates precipitate different crystal aggregates in a repeatable manner when cultivated on semisolid media under the same growth conditions, and that primary mechanisms responsible for the diversity in crystal aggregate morphology have been characterized.

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