A phylum of anoxygenic, phototrophic bacteria including the family Chlorobiaceae. They occur in aquatic sediments, sulfur springs, and hot springs and utilize reduced sulfur compounds instead of oxygen.
Bacteroidetes
A phylum of bacteria comprised of three classes: Bacteroides, Flavobacteria, and Sphingobacteria.
Phylogeny
The relationships of groups of organisms as reflected by their genetic makeup.
Genome, Bacterial
The genetic complement of a BACTERIA as represented in its DNA.