Sulfurimonas subgroup GD17 cells accumulate polyphosphate under fluctuating redox conditions in the Baltic Sea: possible implications for their ecology

摘要

Transition zones between oxidized and reduced water masses provide favorable habitats for chemolithoautophic microorganisms. Mixing events, such as micro-scale intrusions, create overlapping zones where suitable electron acceptors (including NO ) and electron donors (including H S) co-localize. We hypothesize that under these conditions . GD1 cells accumulate polyphosphate, using it as an energy source to sustain cellular integrity, which is a precondition to enable motility to new favorable zones