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Metabolic pathway of homophthalic acid in Pseudomonas alcaligenes

C.S. Karigar, B.G. Pugar
DOI: http://dx.doi.org/10.1111/j.1574-6968.1993.tb06295.x 59-64 First published online: 1 June 1993


A microorganism capable of degrading homophthalic acid as a sole source was isolated from garden soil. The strain was identified as Pseudomonas alcaligenes. The organism degraded homphthalate by a pathway which involved phenylactate and p-hydroxyphenylacetate as intermediates. The intermediates have been identified by physico-chemical methods. A tentative pathway for the degradation of homophthalate is proposed based on isolation of intermediates, oxygen uptake studies and presence of enzymes involved in the degradation.

Key words
  • Metabolism
  • Homophthalic acid
  • Psuedomonas alcaligenes

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