Screening of L-Alloisocitrate-Utilizing Microorganisms

Teruhiko Beppu, Shigeru Hoshiko, Kei Arima, Katsuya Gomi, Dalel Singh Dahiya

Research output: Contribution to journalArticle

Abstract

Microorganisms utilizing erythhro-Ls-isocitrate (L-alloisocitrate) were isolated from soil after enrichment culture in medium containing the acid as the sole carbon source. Most isolates were bacteria, and NAD+-linked L-alloisocitrate dehydrogenase activity was found in some of their cell-free extracts. A bacterial strain No. 2 showing the highest enzyme activity was identified as belonging to genus Pseudomonas. A fungal strain showing good growth on L-alloisocitrate but restricted growth on glucose was also isolated and identified as belonging to genus Acremonium. No dehydrogenase nor oxidase activity was detected for L-alloisocitrate in extracts of the fungus, although conversion of the acid to fumarate was suggested in tracer experiments with intact cells.

Original languageEnglish
Pages (from-to)759-764
Number of pages6
JournalAgricultural and Biological Chemistry
Volume44
Issue number4
DOIs
Publication statusPublished - 1980 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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