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Table 4 Phyletic distribution of the cystatin superfamily in Archaea and Bacteria

From: Phylogenomic analysis of the cystatin superfamily in eukaryotes and prokaryotes

Phylum/class

stefins

cystatins

ARCHAEA

-

-

Euryarchaeota

-

-

Crenarchaeota

-

-

Nanoarchaeota

-

-

BACTERIA

+

+

Hydrobacteria

+

+

Proteobacteria

+

+

class Alphaproteobacteria

-

-

class Betaproteobacteria

+

-

class Gammaproteobacteria

+

+

class Deltaproteobacteria

+

+

class Epsilonproteobacteria

-

-

Bacteroidetes

+

+

Chlorobi

+

-

Chlamydiae

-

-

Planctomycetes

-

-

Spirochaetes

+

-

Acidobacteria

-

-

Terrabacteria

+

-

Cyanobacteria

+

-

Chloroflexi

-

-

Firmicutes

+

-

class Clostridia

+

-

class Mollicutes

-

-

class Bacilli

-

-

Actinobacteria

+

-

Deinococcus/Thermus

-

-

Unclassified bacterial phyla

-

-

Thermodesulfobacteria

-

-

Chrysiogenetes

-

-

Thermomicrobia

-

-

Nitrospira

-

-

Deferribacteres

-

-

Verrucomicrobia

-

-

Fibrobacteres

-

-

Dictyoglomi

-

-

Gemmatomonadetes

-

-

Lentisphaerae

-

-

Basal bacterial phyla

+

-

Fusobacteria

+

-

Aquificae

-

-

Thermotogae

-

-

  1. Bacterial phyla are listed in accord with the latest bacterial phylogeny [74].