Reduction of uranium(VI) phosphate during growth of the thermophilic bacterium Thermoterrabacterium ferrireducens

Article Abstract:

The thermophilic, gram-positive bacterium thermoterrabacterium ferrireducens coupled organotrophic growth to the reduction of sparingly soluble U(VI) phosphate. X-ray powder diffraction and X-ray adsorption spectroscopy analysis identified the electron acceptor in a defined in a medium as U(VI) phosphate while the U(IV)-containing precipitate formed during bacterial growth was identified as ningyoite.

Bacterial growth, X-rays, X-ray diffraction

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Novel physiological features of carboxydothermus hydrogenoformans and thermoterrabacterium ferrireducens

Article Abstract:

A study is conducted to demonstrate that carboxydothermus hydrogenoformans is capable of anaerobic respiration in a similar fashion to thermoterrabacterium ferrireducens. C. hydrogenoformans oxidized formate, lactate, glycerol, CO and H2 with 9,10-anthraquinone-2,6-disulfonate as an electron acceptor.

Industrial Organic Chemicals, Cyclic Crude and Intermediate Manufacturing, Anthraquinones, Anaerobic respiration

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Salt-inducible bionylon polymer from Bacillus megaterium

Article Abstract:

The examination of poly-[gamma]-glutamate (PGA) productivity of Bacillus megaterium has shown NaCl-responsive PGA production in the bacterium. It is shown that salt plays a vital role in Bacillus megaterium in controlling the yield, molecular size and stereochemistry of bionylon.

Glutamate, Cell culture, High performance liquid chromatography, Structure

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