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  • Title: Metabolism of carbohydrate derivatives by Pseudomonas acidovorans.
    Author: Wettermark MH, Taylor JR, Rogers ML, Heath HE.
    Journal: J Bacteriol; 1979 May; 138(2):418-24. PubMed ID: 220214.
    Abstract:
    Wild-type Pseudomonas acidovorans strain A1 was unable to grow on glycerol or glucose as sole source of carbon and energy although it grew well on gluconate. Spontaneous glycerol-positive mutants, which apparently had become permeable to glycerol, were readily isolated, but glucose-positive mutants did not occur. P. acidovorans lacked glucose dehydrogenase and glucokinase, which were sufficient to account for its inability to grow on glucose. Gluconate was degraded exclusively via a noncoordinately induced Entner-Doudoroff pathway. Phosphogluconate dehydrogenase was undetectable. In contrast to P. aeruginosa, P. acidovorans possessed a single glyceraldehyde-phosphate dehydrogenase activity, which was NAD+ specific and constitutive, and an inducible pyruvate kinase. Moreover, growth of glycerol-positive strain K2 on glycerol did not induce any of the enzymes related to metabolism of hexosephosphate derivatives as occurs in fluorescent pseudomonads.
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