Table 2.

Major taxonomic differences between CKD and healthy groups

Higher in Group	Phylum	Class	Order	Family	Genus	No. of Speciesa
CKD	Proteobacteria	Gammaproteobacteria	Legionellales	Legionellaceae	Legionella	1
			Enterobacteriales	Enterobacteriaceae	Serratia	1
			Enterobacteriales	Enterobacteriaceae	Yersinia	1
			Pseudomonadales	Moraxellaceae	Acinetobacter	3
			Pseudomonadales	Pseudomonadaceae	Pseudomonas	2
			Xanthomonadales	Xanthomonadaceae	Lysobacter	1
		Alphaproteobacteria	Rhizobiales	Hyphomicrobiaceae	Hyphomicrobium	1
	Firmicutes	Bacilli	Bacillales	Bacillaceae	Bacillus	2
	Bacteroidetes	Bacteroidia	Chitinophagales	Chitinophagaceae	Sediminibacterium	2
		Bacteroidia	Cytophagales	Spirosomaceae	Pseudarcicella	1
Healthy	Proteobacteria	Gammaproteobacteria	Xanthomonadales	Xanthomonadaceae	Stenotrophomonas	1
		Alphaproteobacteria	Rhodobacterales	Rhodobacteraceae	Paracoccus	2
			Sphingomonadales	Sphingomonadaceae	Sphingomonas	1
	Firmicutes	Clostridia	Clostridiales	Lachnospiraceae	Tyzzerella	1
	Actinobacteria	Actinobacteria	Corynebacteriales	Corynebacteriaceae	Corynebacterium	1
		Actinobacteria	Micrococcales	Microbacteriaceae	Candidatus	1

^aExact species difficult to identify because of clustering and multiple affiliations of species.