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Diversity of L-methionine catabolism pathways in cheese-ripening bacteria.

Author(s) : BONNARME P., PSONI L., SPINNLER H. E.

Type of article: Article

Summary

Enzymatic activities that could be involved in methanethiol generation in five cheese-ripening bacteria were assayed, and the major sulfur compounds produced were identified. L-methionine and alpha-keto-gamma-methyl-thiobutyric acid demethiolating activities were detected in whole cells and cell extracts (CFEs) of all bacteria tested. No L-methionine deaminase activity could be detected in any of the ripening bacteria and L-methionine aminotransferase was detected in CFEs of Brevibacterium linens, Micrococcus luteus, and Corynebacterium glutamicum. Results suggest that several pathways for L-methionine catabolism probably coexist in these ripening bacteria.

Details

  • Original title: Diversity of L-methionine catabolism pathways in cheese-ripening bacteria.
  • Record ID : 2002-0278
  • Languages: English
  • Source: Appl. environ. Microbiol. - vol. 66 - n. 12
  • Publication date: 2000/12

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