Table 1: Complete list of names proposed in the current register list.
| Proposed Taxon | Etymology | Description | Parent Taxon | Type | Registry URL |
|---|---|---|---|---|---|
| Class Xenobiia | [Xe.no.bi'ia] N.L. neut. n. Xenobium, foreign life, referencing the artificial environment from which it was recovered; -ia, ending to denote a class; N.L. neut. pl. n. Xenobiia, the Xenobium class | Class defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB. Defined as a class-level lineage based on UBP9 in Parks et al (2017).
|
Eremiobacterota | Xenobium | seqco.de/i:31316 |
| Class Eremiobacteria | [E.re.mi.o.bac.te'ri.a] N.L. masc. n. Eremiobacter, a rod from a desert; -ia, ending to denote a class; N.L. neut. pl. n. Eremiobacteria, the Eremiobacter class |
Class defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Eremiobacterota | Eremiobacter | seqco.de/i:41723 |
| Order Xenobiales | [Xe.no.bi.a'les] N.L. neut. n. Xenobium, foreign life, referencing the artificial environment from which it was recovered; -ales, ending to denote an order; N.L. fem. pl. n. Xenobiales, the Xenobium order |
Order defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB. Defined as an order-level lineage based on UBA4705 in Parks et al (2017).
|
Xenobiia | Xenobium | seqco.de/i:31315 |
| Order Eremiobacterales | [E.re.mi.o.bac.te.ra'les] N.L. masc. n. Eremiobacter, a rod from a desert; -ales, ending to denote an order; N.L. fem. pl. n. Eremiobacterales, the Eremiobacter order |
Order defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Eremiobacteria | Eremiobacter | seqco.de/i:41907 |
| Family Xenobiaceae | [Xe.no.bi.a.ce'ae] N.L. neut. n. Xenobium, foreign life, referencing the artificial environment from which it was recovered; -aceae, ending to denote a family; N.L. fem. pl. n. Xenobiaceae, the Xenobium family |
Family defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB. Defined as a family-level lineage based on UBA4705 in Parks et al (2017).
|
Xenobiales | Xenobium | seqco.de/i:41921 |
| Family Eremiobacteraceae | [E.re.mi.o.bac.ter.a.ce'ae] N.L. masc. n. Eremiobacter, a rod from a desert; N.L. suff. -aceae, ending to denote a family; N.L. fem. pl. n. Eremiobacteraceae, the Eremiobacter family |
Family defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Eremiobacterales | Eremiobacter | seqco.de/i:41908 |
| Genus Tumulicola | [Tu.mu.li'co.la] L. masc. n. tumulus, mound, hill; L. masc. / fem. suff. -cola, inhabitant, dweller; N.L. fem. n. Tumulicola, mound-dweller, in reference to the recovery from a palsa (mound) |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Baltobacteraceae | Tumulicola scandinaviensisTs | seqco.de/i:43732 |
| Genus Nyctobacter | [Nyc.to.ba'cter] Gr. fem. n. Nyx, primordial goddess of the night in Greek mythology; N.L. masc. n. bacter, a rod; N.L. masc. n. Nyctobacter, refering to a bacterium capable of 'dark' carbon fixation (chemolithoautotrophy), as well as the long and dark winter of Antarctica |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Baltobacteraceae | Nyctobacter psychrophilusTs | seqco.de/i:42523 |
| Genus Tityobacter | [Ti.ty.o.ba'cter] Gr. masc. n. Tityos, in Greek mythology, giant born from the earth, son of Elara; N.L. masc. n. bacter, a rod; N.L. masc. n. Tityobacter, bacterium named after Tityos (giant born from the earth), in reference to the recovery from soil |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Baltobacteraceae | Tityobacter terrigenaTs | seqco.de/i:43379 |
| Genus Meridianibacter | [Me.ri.di.a.ni.bac'ter] L. masc. adj. meridianus, southern; N.L. masc. n. bacter, a rod; N.L. masc. n. Meridianibacter, southern bacterium, in reference to the recovery from Antarctic soil |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Baltobacteraceae | Meridianibacter frigidusTs | seqco.de/i:43148 |
| Genus Xenobium | [Xe.no'bi.um] Gr. adj. xenos, strange, foreign; Gr. masc. n. bios, life; N.L. neut. n. Xenobium, foreign life, referencing the artificial environment from which it was recovered |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Xenobiaceae | Xenobium occultumTs | seqco.de/i:41922 |
| Genus Eremiobacter | [E.re.mi.o.bac'ter] Gr. fem. n. eremia, desert, wilderness; N.L. masc. n. bacter, a rod; N.L. masc. n. Eremiobacter, a rod from a desert |
Type genus of Eremiobacterota. Genus defined based on phylogenomics of 38 conserved marker genes and the lack of any named close relative at the time.
|
Eremiobacteraceae | Eremiobacter antarcticusTs | seqco.de/i:42508 |
| Genus Cybelea | [Cy.be'le.a] N.L. fem. n. Cybelea, a bacterium named after Cybele, an ancient Anatolian earth goddess, in reference to the recovery from soil |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Baltobacteraceae | Cybelea septentrionalisTs | seqco.de/i:42538 |
| Genus Erabacter | [Era.bac'ter] Gr. fem. n. era, -ae, earth; N.L. masc. n. bacter, a rod; N.L. masc. n. Erabacter, earth bacterium, in reference to the recovery from soil |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Baltobacteraceae | Erabacter solicolaTs | seqco.de/i:43329 |
| Genus Tyrphobacter | [Tyr.pho.ba'cter] Gr. n. tyrpha, -ae, peat; N.L. masc. n. bacter, a rod; N.L. masc. n. Tyrphobacter, bacterium from the peat, in reference to the recovery from peatlands |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Baltobacteraceae | Tyrphobacter aquilonarisTs | seqco.de/i:43316 |
| Genus Velthaea | [Vel.tha'ea] N.L. fem. n. Velthaea, bacterium named after ancient Etruscan earth god Veltha, in reference to to the recovery from soil |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Baltobacteraceae | Velthaea versatilisTs | seqco.de/i:43525 |
| Genus Elarobacter | [E.la.ro.bac'ter] Gr. fem. n. Elara, maiden in Greek mythology who was hidden beneath the earth, where she gave birth to Tityus; N.L. masc. n. bacter, a rod; N.L. masc. n. Elarobacter, in reference to a bacterium recovered from soil |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Baltobacteraceae | Elarobacter winogradskyiTs | seqco.de/i:41726 |
| Genus Mawsoniella | [Maw.so'ni.el.la] N.L. fem. dim. n. Mawsoniella, in honor of Sir Douglas Mawson, an Australian Antarctic explorer and pioneer |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Eremiobacteraceae | Mawsoniella australisTs | seqco.de/i:42719 |
| Genus Bruticola | [Bru.ti.co'la] L. masc. n. brutus, of animals, beasts; L. masc. / fem. suff. -cola, inhabitant, dweller; N.L. fem. n. Bruticola, animal-dweller, in reference to the mammal (baboon) fecal microbiome |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Xenobiaceae | Bruticola papionisTs | seqco.de/i:41962 |
| Genus Zemelea | [Ze.me.le'a] N.L. fem. n. Zemelea, , named for Zemele, Lithuanian earth goddess, in reference to the recovery from soil |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Baltobacteraceae | Zemelea palustrisTs | seqco.de/i:48243 |
| Genus Lustribacter | [Lus.tri.bac'ter] L. neut. n. lustrum, bog; N.L. masc. n. bacter, a rod; N.L. masc. n. Lustribacter, bacterium from the bog, in reference to the recovery from a bog |
Genus defined based on 16S rRNA phylogeny and phylogenomic analysis of 15 ribosomal proteins and the GTDB.
|
Baltobacteraceae | Lustribacter telmatisTs | seqco.de/i:42844 |
| Species Tityobacter terrigenaTs | [ter.ri.ge'na] L. masc. adj. terrigena, born of or from the earth; L. masc. adj. terrigena, earth-born; in reference to the recovery from soil |
Heterotroph and autotroph. CO oxidation. Hydrogenotrophic chemolithoautotrophy using Group 1h [NiFe] hydrogenase and CBB cycle; capable of using atmospheric H2. Organic substrates include peptides, amino acids, carboxylates, glycerol, taurine, acetate, alcohols (including methanol, ethanol, polyvinyl alcohol), aldehydes, poly- and oligosaccharides, sugars, fluoroacetate, catechol. Glycogen storage. Polyphosphate storage. BMC for sequestering toxic metabolites.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Tityobacter | NCBI Assembly: GCA_003156715.1 Ts | seqco.de/i:43380 |
| Species Velthaea versatilisTs | [ver.sa'ti.lis] L. fem. adj. versatilis, versatile, in reference to metabolic versatility |
Heterotroph and autotroph. Hydrogenotrophic chemolithoautotrophy using Group 1h [NiFe] hydrogenase and CBB cycle; capable of using atmospheric H2. Photoautotrophy; carboxysomes; photoreceptors. CO oxidation. Anaerobic respiration: sulfoxides. Assimilatory nitrate reduction. Organic substrates include peptides, amino acids, carboxylates, glycerol, taurine, urea, cyanate, sarcosine, alcohols (including methanol, ethanol), poly- and oligosaccharides, sugars, catechol, propane. PHA storage; glycogen storage. Motile by flagella (including phototaxis). Polyphosphate storage. Bidirectional [NiFe] hydrogenase (Group 3b).
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Velthaea | NCBI Assembly: GCA_003134035.1 Ts | seqco.de/i:43526 |
| Species Cybelea septentrionalisTs | [sep.ten.tri.o.na'lis] L. fem. adj. septentrionalis, northern |
Obligate heterotroph. Hydrogen oxidation using Group 1h [NiFe] hydrogenase. Organic substrates include peptides, amino acids, carboxylates, taurine, urea, sarcosine, PVA, arylsulfates, poly- and oligosaccharides, sugars, fluoroacetate. Degradation of β-glucan (GH1, GH16), cellulose/β-glucan (GH5_40), chitin (GH18), β-D-galactoside (GH35), and xyloglucan (GH74). PHA storage. Polyphosphate storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Cybelea | NCBI Assembly: GCA_003158175.1 Ts | seqco.de/i:43849 |
| Species Tyrphobacter aquilonarisTs | [aqui.lo.na'ris] L. masc. adj. aquilonaris, northern, northernly |
Obligate heterotroph. Organic substrates include peptides, amino acids, carboxylates, methanol, poly- and oligosaccharides, sugars. PHA storage. Polyphosphate storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Tyrphobacter | NCBI Assembly: GCA_003133745.1 Ts | seqco.de/i:43739 |
| Species Mawsoniella australisTs | [aus.tra'lis] L. fem. adj. australis, southern, of the south wind, in reference to the recovery from the southern continent of Antarctica |
Obligate heterotroph. Hydrogen oxidation using Group 1h [NiFe] hydrogenase. Organic substrates include peptides, amino acids, carboxylates, sarcosine, oligosaccharides, sugars, catechol, 4hydroxybenzoate. PHA storage. Polyphosphate storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Mawsoniella | NCBI Assembly: GCA_014304875.1 Ts | seqco.de/i:42720 |
| Species Bruticola papionisTs | [pa.pi.o'nis] N.L. gen. n. papionis, pertaining to Papio, the primate genus that includes baboons |
Obligate heterotroph. Fermentative (no respiration). Organic substrates include peptides, amino acids, citrate, starch, maltodextrin, glucose. Bidirectional Fe-only hydrogenases (for redox balance?). Glycogen storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Bruticola | NCBI Assembly: GCA_002407045.1 Ts | seqco.de/i:41963 |
| Species Eremiobacter antarcticusTs | [an.tar'cti.cus] L. masc. adj. antarcticus, southern, pertaining to Antarctica |
Heterotroph and autotroph. Hydrogenotrophic chemolithoautotrophy using Group 1h [NiFe] hydrogenase and CBB cycle; capable of using atmospheric H2. Organic substrates include peptides, amino acids, carboxylates, acetate, sarcosine, formate, methanol, poly- and oligosaccharides, sugars, catechol, 4-hydroxybenzoate. Glycogen storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Eremiobacter | NCBI Assembly: GCA_003244105.1 Ts | seqco.de/i:42509 |
| Species Zemelea palustrisTs | [pa.lus'tris] L. fem. adj. palustris, marshy, swampy |
Obligate heterotroph. Anaerobic respiration: nitrate. Organic substrates include peptides, amino acids, carboxylates, sarcosine, formate, poly- and oligosaccharides, sugars. PHA storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Zemelea | NCBI Assembly: GCA_003134695.1 Ts | seqco.de/i:41948 |
| Species Meridianibacter frigidusTs | [fri'gi.dus] L. masc. adj. frigidus, cold |
Obligate heterotroph. Organic substrates include peptides, amino acids, carboxylates, poly- and oligosaccharides, sugars. Polyphosphate storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Meridianibacter | NCBI Assembly: GCA_003243975.1 Ts | seqco.de/i:43149 |
| Species Lustribacter telmatisTs | [tel'ma.tis] Gr. n. telma, swamp; N.L. gen. n. telmatis, of the bog |
Obligate heterotroph. Hydrogen oxidation using Group 1h [NiFe] hydrogenase. Anaerobic respiration: urocanate. Organic substrates include peptides, amino acids, carboxylates, taurine, urea, cyanate, acetate, formate, alcohols (including methanol, ethanol), arylsulfates, alkanesulfonates, oligosaccharides, sugars, fluoroacetate, halobenzoate, phenoxypropionate, ethylbenzene, 4-hydroxybenzoate, 4-sulfocatechol. PHA storage; glycogen storage. Motile by flagella. Polyphosphate storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Lustribacter | NCBI Assembly: GCA_003164045.1 Ts | seqco.de/i:42845 |
| Species Cybelea palsarum | [pal.sa'rum] N.L. fem. n. palsa, peat mound (from Finnish palsa); N.L. gen. pl. n. palsarum, from palsa wetlands |
Obligate heterotroph. Organic substrates include peptides, amino acids, carboxylates, taurine, urea, sarcosine, PVA, arylsulfates, poly- and oligosaccharides, sugars, fluoroacetate. Degradation of β-glucan (GH1, GH16), cellulose/β-glucan (GH5_40), chitin (GH18), β-D-galactoside (GH35), and xyloglucan (GH74). PHA storage. Polyphosphate storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Cybelea | NCBI Assembly: GCA_003166915.1 Ts | seqco.de/i:43705 |
| Species Xenobium occultumTs | [oc.cul'tum] L. neut. adj. occultum, hidden |
Obligate heterotroph. Microaerobic; anaerobic respiration by DNRA. Fermentative. Organic substrates include peptides, amino acids, carboxylates, glycerol, poly- and oligosaccharides, sugars, 4-hydroxybenzoate. Degradation of β-glucosides (GH3), cellulose (endoglucanase GH5_5), starch (cyclomaltodextrinase GH13, and GH13_2; 4-α-glucanotransferase GH77), maltodextrin (GH13_21), α-glucans (GH31), trehalose (GH37), and xyloglucan (GH74). PHA storage; glycogen storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Xenobium | NCBI Assembly: GCA_002423485.1 Ts | seqco.de/i:43215 |
| Species Erabacter solicolaTs | [so.li.co'la] L. neut. n. solum, soil; L. masc. / fem. suff. -cola, inhabitant, dweller; N.L. masc. n. solicola, inhabitant of the soil |
Obligate heterotroph. Organic substrates include peptides, amino acids, carboxylates, sarcosine, poly- and oligosaccharides, sugars. PHA storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Erabacter | NCBI Assembly: GCA_003136895.1 Ts | seqco.de/i:43330 |
| Species Nyctobacter psychrophilusTs | [psy.chro'phi.lus] Gr. adj. psychros, cold; Gr. adj. philos, loving; N.L. masc. adj. psychrophilus, cold-loving |
Heterotroph and autotroph. Hydrogenotrophic chemolithoautotrophy using Group 1h [NiFe] hydrogenase and CBB cycle; capable of using atmospheric H2. Organic substrates include peptides, amino acids, carboxylates, poly- and oligosaccharides, sugars. PHA storage; glycogen storage. Polyphosphate storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Nyctobacter | NCBI Assembly: GCA_014305025.1 Ts | seqco.de/i:42524 |
| Species Tumulicola scandinaviensisTs | [scan.di.na.vi.en'sis] L. fem. n. Scandinavia, region in northern Europe; -ensis, of or from (a place); N.L. fem. adj. scandinaviensis, from Scandinavia (Sweden) |
Obligate heterotroph. CO oxidation. Organic substrates include peptides, amino acids, carboxylates, taurine, acetate, sarcosine, arylsulfates, poly- and oligosaccharides, sugars. PHA storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Tumulicola | NCBI Assembly: GCA_003140835.1 Ts | seqco.de/i:43733 |
| Species Cybelea tumulisoli | [tu.mu.li.so'li] L. masc. n. tumulus, mound, hill; L. neut. n. solum, soil; N.L. gen. n. tumulisoli, from the mound soil, in reference to palsa |
Obligate heterotroph. Organic substrates include peptides, amino acids, carboxylates, taurine, urea, sarcosine, PVA, arylsulfates, poly- and oligosaccharides, sugars, fluoroacetate. Degradation of β-glucan (GH1), xylan (GH10), chitin (GH18), and xyloglucan (GH74). PHA storage. Polyphosphate storage.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Cybelea | NCBI Assembly: GCA_003167155.1 Ts | seqco.de/i:43786 |
| Species Elarobacter winogradskyiTs | [wi.no.grad'skyi] N.L. gen. n. winogradskyi, in honor of Sergei Winogradsky, Russian microbiologist and ecologist |
Obligate heterotroph. CO oxidation. Organic substrates include peptides, amino acids, carboxylates, glycerol, urea, acetate, sarcosine, formate, ethanol, oligosaccharides, sugars, fluoroacetate. Degradation of trehalose (GH15), α-mannoside (GH38), and xyloglucan (GH74). PHA storage; glycogen storage. Polyphosphate storage. Motile by flagella.
Also defined based on ANI, and phylogenies of 16S rRNA gene, 15 ribosomal proteins, and the GTDB.
|
Elarobacter | NCBI Assembly: GCA_003134965.1 Ts | seqco.de/i:41727 |