AI Article Synopsis
- The study examined how Pseudomonas putida uses glucose and its dehydrogenase activity when exposed to arsenite.
- Initially, glucose utilization decreased as the cells adapted to the presence of arsenite in the medium.
- A negative correlation was found between glucose assimilation and arsenite oxidation, suggesting that arsenite is oxidized by metabolites produced during the bacteria's growth.
Article Abstract
The rates of glucose assimilation and dehydrogenase activity were studied in Pseudomonas putida oxidizing arsenite. The rate of glucose utilization by the cells decreased in the presence of arsenites in the medium at the beginning because of the microbial adaptation to arsenite. The activity of dehydrogenase fell down when the cells were cultivated in the medium with arsenite. An inverse correlation existed between the rate of glucose assimilation and arsenite oxidation. Apparently, arsenites were oxidized under the action of metabolites produced by P. putida in the process of its heterotrophous growth.
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