Dependence of Marine Bdellovibrios on Potassium, Calcium, and Magnesium Ions

1 July 1978

journal article
research article
Published by American Society for Microbiology in Applied and Environmental Microbiology

Vol. 36 (1) , 169-177
https://doi.org/10.1128/aem.36.1.169-177.1978

Abstract

Marine bdellovibrios show a specific requirement for K ⁺ , Ca ²⁺ , and Mg ²⁺ . Potassium is essential for high velocity and seems to be necessary for attachment of the free bdellovibrios. Calcium and magnesium are necessary for attachment and penetration. Magnesium also plays a role in maintaining the integrity of the bdelloplast. The adaptation of these bdellovibrios to the marine environment is manifested by their stringent cation requirements.

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