Genes, Bacterial, Multigene Family, Bdellovibrio - classification, Humans, Deltaproteobacteria - classification, Chromosome Mapping, Phylogeny, Bacteroidetes - classification, Bacteria - genetics, Bacteroidetes - pathogenicity, Deltaproteobacteria - pathogenicity, Alphaproteobacteria - classification, Alphaproteobacteria - genetics, Animals, Virulence - gene...