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Vitamin B-12,and a knockoff version,create complex market for marine vitamins
Vitamin B-12 knockoff version create complex market marine vitamins
2017/2/16
The New Year is a busy time for pharmacies and peddlers of all health-related products. In the oceans, marine organisms rely on nutrients, too, but the source of their vitamins is sometimes mysterious...
Vitamin B12excretion by cultures of the marine cyanobacteriaCrocosphaera andSynechococcus
Vitamin B12 excretion cultures the marine cyanobacteria Crocos phaera Synechococcus
2014/4/16
Axenic cultures of the N2-fixing marine cyanobacteriumCrocosphaera watsoniiexhibit very high B12excretion rates (up to 40 times higher per cell), compared to the smaller non–N2-fixing strain of marine...
Vitamin B12 and cobalt cycling among diatoms and bacteria in Antarctic sea ice microbial communities
Vitamin B12 cobalt cycling among diatoms
2014/4/21
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...
Vitamin B12 and iron colimitation of phytoplankton growth in the Ross Sea
Vitamin B12 iron colimitation phytoplankton growth Ross Sea
2014/4/22
Primary production in the Ross Sea, one of the most productive areas in the Southern Ocean, has previously been shown to be seasonally limited by iron. In two of three bottle incubation experiments co...