2016
DOI: 10.1002/lno.10363
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Elevated trace metal content of prokaryotic communities associated with marine oxygen deficient zones

Abstract: Little is known about the trace metal content of marine prokaryotes, in part due to their co‐occurrence with more abundant particulate phases in the upper ocean, such as phytoplankton and biogenic detritus, lithogenic minerals, and authigenic Mn and Fe oxyhydroxides. We attempt to isolate these biomass signals in particulate data from the US GEOTRACES Eastern Pacific Zonal Transect (cruise GP16) in the Eastern Tropical South Pacific (ETSP), which exhibited consistent maxima in P and other bioactive trace metal… Show more

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Cited by 78 publications
(86 citation statements)
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“…9, pink and cyan lines). These low, biomass-like pCo : pP and pMn : pP signatures in the ETSP OMZ are consistent with thermodynamic and kinetic barriers to Mn oxidation at very low O 2 (Ohnemus et al, 2016).…”
Section: Suppression Of Cobalt Scavenging In the Omzsupporting
confidence: 76%
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“…9, pink and cyan lines). These low, biomass-like pCo : pP and pMn : pP signatures in the ETSP OMZ are consistent with thermodynamic and kinetic barriers to Mn oxidation at very low O 2 (Ohnemus et al, 2016).…”
Section: Suppression Of Cobalt Scavenging In the Omzsupporting
confidence: 76%
“…Elevated pCo was also found at the top of the OMZ in the eastern half of the transect, corresponding with high dCo from remineralization. High pP and low pMn in these samples suggest that pCo may be present as biomass in anoxic bacterial and archaeal communities (Ohnemus et al, 2016), rather than incorporation into bacterial Mn oxides by co-oxidation.…”
Section: Particulate Cobaltmentioning
confidence: 88%
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