Biotechnological implications of the interactions between magnesium and calcium

Graeme M. Walker*

*Corresponding author for this work

    Research output: Contribution to journalArticle

    14 Citations (Scopus)

    Abstract

    At the biochemical level, magnesium and calcium are known to act antagonistically towards each other. For example, many enzymes whose activities critically depend on sufficiency of intracellular magnesium, especially transphosphorylases, will be detrimentally affected by small increments in levels of cellular calcium ions. Growth of cells, cell division cycle progress and intermediary metabolism are also absolutely dependent on the bioavailability of magnesium, which can be compromised if excess calcium is present. Many biotechnological processes, therefore, which fundamentally exploit cellular growth and metabolism, will be influenced strongly by relative concentrations of the two cations and the ratio of bioavailable magnesium to calcium in external growth media. This paper surveys the interactive effects of magnesium and calcium at the bioinorganic level and discusses some examples of how these interactions may play important roles in governing the physiology of cells which are widely exploited in modern industrial bioprocesses.

    Original languageEnglish
    Pages (from-to)303-309
    Number of pages7
    JournalMagnesium Research
    Volume12
    Issue number4
    Publication statusPublished - 1 Dec 1999

    Fingerprint

    Magnesium
    Calcium
    Metabolism
    Growth
    Cells
    Cell Physiological Phenomena
    Physiology
    Enzyme activity
    Biological Availability
    Cations
    Cell Cycle
    Phosphotransferases
    Ions
    Enzymes

    Cite this

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    Biotechnological implications of the interactions between magnesium and calcium. / Walker, Graeme M.

    In: Magnesium Research, Vol. 12, No. 4, 01.12.1999, p. 303-309.

    Research output: Contribution to journalArticle

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