Dismutation and cross-dismutation of aldehydes, and alcohol: aldehyde oxidoreduction by resting-cells of Pseudomonas putida F61-a

Mechanism of formaldehyde biodegradation by Pseudomonas putida

“…However, specific activities, as shown in Table 2, were qualitatively different, being maximal for the cells grown on MF medium and minimal for CM medium. From these data it can be deduced that formaldehyde dismutase activity is produced irrespective of the presence of formaldehyde in the medium and also in a rich medium, in contrast with Experiments with sequential additions of formaldehyde the earlier findings of Kato et al (1983Kato et al ( , 1984b) with another strain of P. putida. The fact that high enzyme levels were obtained when the media contained formaldehyde indicates that the presence of the specific substrate stimulates production of the constitutive enzyme.…”

“…This is in agreement with the sequential use of these compounds observed in the preceding experiments. In addition, under these conditions formic acid was formed in excess, presumably due to the activity of formaldehyde dehydrogenase induced during the course of growth (Kato et al 1984b).…”

Formate-stimulated Oxidation of Methanol byPseudomonas putida9816

“…The enzyme formaldehyde dismutase has been found in some species of Pseudomonas. [17][18][19][20][21][22] In order to verify our hypothesis of a reverse dismutase reaction, the presence of a dismutase had to be proved. In the presence of oxygen, Fal is rapidly oxidized to formate and further to CO2.…”