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  • Title: Diversity of L-methionine catabolism pathways in cheese-ripening bacteria.
    Author: Bonnarme P, Psoni L, Spinnler HE.
    Journal: Appl Environ Microbiol; 2000 Dec; 66(12):5514-7. PubMed ID: 11097940.
    Abstract:
    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-thio-butyric acid demethiolating activities were detected in whole cells and cell extracts (CFEs) of all the 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. The results suggest that several pathways for L-methionine catabolism probably coexist in these ripening bacteria.
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