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Background Divergence of bacterial populations into distinct subpopulations is often the result of ecological isolation. While some studies have suggested the existence of Salmonella enterica subsp. enterica subclades, evidence for these subdivisions has been ambiguous. Here we used a comparative genomics approach to define the population structure of Salmonella enterica subsp. enterica, and identify...
The geometries and harmonic vibrational frequencies for the structural isomers of CN 2 and the corresponding cations are calculated at the B3LYP/6-311+g(2df) level. Adiabatic ionization energies are calculated at the G1, G2(MP2) and G2 levels for each of the isomers. Of the cations, the linear C ~v molecule CNN + is found to have the lowest energy. NCN + (D ...
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