Vitamin B 12 and cobalt cycling among diatoms and bacteria in Antarctic sea ice microbial communities

@inproceedings{Taylor2008VitaminB1,
  title={Vitamin B 12 and cobalt cycling among diatoms and bacteria in Antarctic sea ice microbial communities},
  author={Gordon T. Taylor and Cornelius W. Sullivan},
  year={2008}
}
Within McMurdo Sound’s annual sea ice, assimilation and concentrations of vitamin B12 (cobalamin), microbial community productivity, and biomass were examined among three 100-m2 quadrats where light penetration was manipulated by snow cover during austral summer. From late October through December, B12 concentrations (6–32 pmol L21) and assimilation rates (17–780 pmol m22 d21) in congelation ice covaried with primary productivity (0.0001–250 mmol C m22 d21 ) and chlorophyll a (0.6–36 mg m22… CONTINUE READING

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