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

AUTOR(ES)

Marbach, A.

RESUMO

Marine bdellovibrios show a specific requirement for K+, Ca2+, and Mg2+. 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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