Contribution of SAR11 bacteria to dissolved dimethylsulfoniopropionate and amino acid uptake in the North Atlantic Ocean

Article Abstract:

SAR11 bacteria are found in large numbers in the marine atmosphere, generally amounting to 35 percent of the prokaryotes in the surface of the North Atlantic Ocean but little information is available about their marine biogeochemical cycles. However, the contribution of SAR11 bacteria to amino acid absorption is much more than expected depending on their increased numbers, which indicate that SAR11 bacteria cannot be competed by other prokaryotes for the liable compounds.

Analysis, Risk factors, Prokaryotes, Microbiology, Amino acids

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Biomass production and assimilation of dissolved organic matter by SAR11 bacteria in the Northwest Atlantic Ocean

Article Abstract:

The SAR11 clade is one of the most abundant bacterial phylogenetic groups in the ocean. Existing data suggests that SAR11 bacteria do not utilize various components of the dissolved organic matter (DOM) pool equally and might be more important to the flux of low-molecular-weight monomers than to that of high-molecular-weight polymers.

Natural history, Bacteria, Phylogeny, Biomass chemicals, Monomers

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Use of microautoradiography combined with flurorescence in situ hybridization to determine dimethylsulfoniopropionate incorporation by marine bacterioplankton taxa

Article Abstract:

The experiments carried out for the optimization of the microautoradiography (AU) and Micro-flurorescence in situ hybridization (FISH) analyses are described. The utilization of sulfur from dimethylsulfoniopropionate (DMSP) indicates it as an important substrate for a broad and diverse fraction of marine bacterioplankton.

Animal aquaculture, Fish Farming, Usage, Fish-culture, Aquaculture, Autoradiography

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