Newly identified vitamin K-producing bacteria isolated from the neonatal faecal flora

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    Abstract

    Fat-soluble vitamin K is an essential component of the blood clotting process. Menaquinones are the naturally occurring form of vitamin K identified in bacteria. Lipid extracts were made from three bacteria originally isolated from the human neonatal gut and identified as Enterobacter agglomerans, Serratia marcescens and Enterococcus faecium. Following preparative thin layer chromatography (TLC), the lipid extracts were subjected to liquid chromatography-mass spectrometry (LC-MS) analysis. Peak analysis of the LC-MS data showed that the three bacteria produce various forms of menaquinone.

    Original languageEnglish
    Pages (from-to)133-138
    Number of pages6
    JournalMicrobial Ecology in Health and Disease
    Volume18
    Issue number3-4
    DOIs
    Publication statusPublished - 1 Dec 2006

    Keywords

    • Enterobacter agglomerans
    • Enterococcus faecium
    • Menaquinone
    • Neonatal gut microflora
    • Serratia marcescens
    • Vitamin K

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