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Abundant populations of iron and manganese sequestering bacteria in coastal waterHeldal M, Fagerbakke KM, Tuomi P, Bratbak G![]()
ABSTRACT: It has recently been suggested that iron is a limiting factor for phytoplankton production in nutrient-rich seas. Here we report on a group of bacteria in coastal marine surface waters forming extensive appendages with apparently high affinity for iron
and manganese (Fe-Mn bacteria). Bacteria and particles were harvested by centrifugation onto grids for Transmission Electron Microscope (TEM) X-ray microanalysis. Four different morphotypes of Fe-Mn bacteria were identified. The total numbers of these
bacteria were at the highest in the range of 5.5
KEY WORDS: Bacteria · Appendage · Iron · Marine waters
Published in AME Vol.
11, No. 2
(1996) on August 29
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