Combining culture-dependent and -independent methodologies for estimation of richness of estuarine bacterioplankton consuming riverine dissolved organic matter

Article Abstract:

Research has been conducted on microbial community diversity. The authors describe the methods used for the analysis of this diversity, and report that these methods have been combined in order to maximize the estimate of richness of bacterioplankton catabolizing riverine dissolved organic matter.

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Comparative analysis of the conventional and novel pmo (particulate methane monooxygenase) operons from methylocystis strain SC2

Article Abstract:

The pmoA1 and pmoA2 gene copies in the type II MOB methylocystis strain SC2 are each part of a complete pmoCAB gene cluster. A bacterial artificial chromosome (BAC) library of strain SC2 genomic DNA was constructed, and BAC clones carrying either pmoCAB1 or pmoCAB2 are identified.

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Degradation and turnover of extracellular DNA in marine sediments: Ecological and methodological considerations

Article Abstract:

The speeds of the degradation of extracellular DNA that are found in the marine sediments were greater than those in the water column. The outcome indicated that new aspects were found in the function of extracellular DNA in the P cycling process of the marine ecosystem.

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