Simultaneous degradation of atrazine and phenol by Pseudomonas sp. strain ADP: Effects of toxicity and adaptation

Article Abstract:

Simultaneous degradation of phenol in the presence of different N sources including the two s-triazines atrazine and cyanuric acid by Pseudomonas sp. strain ADP, the degradation of atrazine to cyanuric acid, and the effects of the adaptation of cells to phenol are studied. Results indicate that Pseudomonas sp. strain ADP is an ideal bacterium that can be used for investigating the regulatory interactions amongst different catabolic genes and stress response mechanisms during the simultaneous degradation of phenol and atrazine.

Cyclic crudes and intermediates, Phenol, Pseudomonas, Phenol (Compound), Atrazine

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Energetics and surface properties of Pseudomonas putida DOT-TIE in a two phase fermentation system with 1-decanol as second phase

Article Abstract:

The solvent tolerant strain Pseudomonas putida DOT-TIE was grown in batch fermentations in a 5-liter bioreactor in the presence and absence of 10% (vol/vol) of the organic solvent 1-decanol. The results give clear physiological indications that the process with P. putida DOT-TIE as the biocatalyst and 1-decanol as the solvent is a stable system for two-phase biotransformations that will allow the production of fine chemicals in economically sound amounts.

Genetic aspects, Fermentation, Pseudomonas putida, Cell cycle

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Synthesis of imidazol-2-yl amino acids by using cells from alkane-oxidizing bacteria

Article Abstract:

Results demonstrate that 15 bacterial strains produce different imidazol-2-yl amino acids in the presence of n-alkane with five strains producing higher yields. Further biotransformation occurs via oxidation of the alkyl side chain.

Germany, Manufacturing processes, Industrial Organic Chemicals, Heterocyclics NEC, Physiological aspects, Production processes, Microbiological synthesis, Biosynthesis, Alkanes, Heterocyclic aromatic compounds

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