Isolation and characterization of phenol-degrading denitrifying bacteria

Article Abstract:

The isolation and identification of three new phenol-degrading denitrifying microorganisms of the genera Azoarcus from sediments of various geographical locations are described. The strains have the ability to use phenol as a source of carbon and energy under denitrifying conditions. The strains are short gram-negative rods and, although a polar flagellum is present in the exponential phase, motility is lost in older cultures. Moreover, the isolates are only able to degrade phenol under denitrifying states and not in aerobic conditions.

Phenols, Phenols (Class of compounds), Denitrification

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Synthesis and fermentation properties of novel galacto-oligosaccharides by beta-galactosidases from Bifidobacterium species

Article Abstract:

Researchers have produced galacto-oligosaccharides that differ from the commercial prebiotic product Oligomate 55 by using several species of Bifidobacterium to produce galacto-oligosaccharides from lactose. This will enhance their specificity when metabolized by colonic microorganisms.

Oligosaccharides, Bifidobacterium

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2-bromoethanesulfonate affects bacteria in a trichloroethene-dechlorinating culture

Article Abstract:

2-bromoethanesulfonate can affect non-methanogenic bacteria but does not always prevent the dechlorination of trichloroethene. However, it can cause the formation of different intermediates and end products and can change the structure of the bacterial community.

Dechlorination

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