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Influence of cations on the viability of Halobacterium mediter-ranei cells

✍ Scribed by F. J. G. Muriana; J. D. Rodulfo; M. C. Alvarez-Ossorio; A. M. Relimpio

Publisher: John Wiley and Sons
Year: 1988
Tongue: English
Weight: 260 KB
Volume: 28
Category: Article
ISSN: 0233-111X
DOI: 10.1002/jobm.3620280711

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✦ Synopsis

The effects of monovalent and divalent cations on the cell viability of an extremely halophilic bacteria H. mediterrunei were examined. High magnesium concentrations ( 2 72 m) were required for stabilization of H. rnediterranei cells, although calcium ions were more potent than magnesium in preserving viability. On the other hand, H. medirerrunei cells are also able to survive in the presence of monovalent cations, such as ammonium and potassium, at least 14 days. The implications for maintaining stability and neutrality of several cell envelope components by monovalent and divalent cations are discussed.

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