SeqCode Registry
Register List https://seqco.de/r:ftcpaei9 [2025]

Register list for 17 new names including Skiveiella danica sp. nov.

Submitted by Fischer Petersen, Jette

Genus Aalborgicola

Etymology
[Aal.bor.gi'co.la] N. L. neut. n. Aalborg, the city of Aalborg; L. suff. -cola, inhabitant; N.L. masc. n. Aalborgicola, an inhabitant of Aalborg
Nomenclatural type
Species Aalborgicola defluviihabitansTs
Description
Genus of species found in activated sludge.
Genome-wide gene annotation suggested the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway.
Most species are predicted to convert acetate to acetyl-CoA via acetyl-CoA synthetase, acs, acetate kinase, ackA, and phosphate acetyltransferase, pta.
All species (except Aalborgicola danicus) have the potential to reduce nitrate with narGHI along with the reduction of nitrate to nitric oxide with nirS. Lastly it also had nitrous oxide reductase, nosZ predicted.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Aalborgicola
References
Effective publication: Petersen et al., 2025 [1]

Genus Aalborgiella

Etymology
[Aal.bor.gi.el'la] N.L. fem. dim. n. Aalborgiella, bacterium named after the city Aalborg where the MAG had been retrieved
Nomenclatural type
Species Aalborgiella aggregataTs
Description
Genus of rod shaped bacteria found in activated sludge. Type species is Aalborgiella aggregata.
Type species( Aalborgiella aggregata) is a rod shaped bacterium (1.4± 0.3 x 0.4±0.1 µm) abundant in activated sludge globally. Based on FISH analysis it seems to grow along filaments in activated sludge.
Based on genome-wide gene annotaion it has the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway. It furthermore showed potential for transportation of branched amino acids.
Presence of narGHI genes showed potential to reduce nitrate.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Aalborgiella
References
Effective publication: Petersen et al., 2025 [1]

Genus Defluviibacillus

Etymology
[De.flu.vi.i.ba.ci'llus] L. neut. n. defluvium, sewage; L. masc. n. bacillus, rod-shaped bacterium; N.L. masc. n. Defluviibacillus, indicating a rod-shaped bacterium from sewage
Nomenclatural type
Species Defluviibacillus avedoerensisTs
Description
A genus of rod shaped bacteria found in activated sludge. Type species is Defluviibacillus avedoerensis.
The type species is a rod shaped bacteria (2.1± 0.4 x 0.6±0.1 µm) abundant in activated sludge globally.
Based on genome-wide gene annotaion it has the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway. It furthermore showed potential for transportation of polar amino acids and branched amino acids.
Presence of narGHI genes showed potential to reduce nitrate along with potential for further conversion via norB . It also had the potential to reduce nitrite to nitric oxide via nitrite reductase, nirS. 
Defluviibacillus avedoerensis had predicted all genes of the three pathways (polyP, glycogen and PHA) associated with Pao metabolism.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Defluviibacillus
References
Effective publication: Petersen et al., 2025 [1]

Genus Egaibacter

Etymology
[E.ga.i.bac'ter] N. L. masc. n. Egaa, the city Egaa where the MAG had been retrieved; N.L. masc. n. bacter, bacterium; N.L. masc. n. Egaibacter, indicating a bacterium found in Egaa
Nomenclatural type
Species Egaibacter danicusTs
Description
Genus of bacteria found in activated sludge.
Species generally have the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway.
They can also  utilize branched chain amino acids (livFGHKM).
Predicted to convert acetate to acetyl-CoA via acetyl-CoA synthetase, acs.
Potential to reduce nitrate with narGHI along with the reduction of nitrate to nitric oxide with nirS.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Egaibacter
References
Effective publication: Petersen et al., 2025 [1]

Genus Skiveiella

Etymology
[Ski.ve.i.el'la] N.L. fem. dim. n. Skiveiella, named after the city Skive where the MAG had been retrieved
Nomenclatural type
Species Skiveiella danicaTs
Description
Genus found in actived sludge. Type species is Skiveiella danica 
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Skiveiella
References
Effective publication: Petersen et al., 2025 [1]

Species Aalborgicola bjergmarkensis

Etymology
[bjerg.mar.ken'sis] N.L. masc. adj. bjergmarkensis, of the city of Bjergmarken, from where the MAG was obtained
Nomenclatural type
NCBI Assembly: GCA_016708725.1 Ts
Description
Bacterium found in activated sludge.
Genome-wide gene annotation suggested the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway.
The gtsABC+malK transporters of of glucose uptake was also predicted.

Potential to reduce nitrate with narGHI. Lastly it also had nitrous oxide reductase, nosZ predicted.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Aalborgicola » Aalborgicola bjergmarkensis
References
Effective publication: Petersen et al., 2025 [1]

Species Aalborgicola danicus

Etymology
[da'ni.cus] L. masc. adj. danicus, Danish
Nomenclatural type
NCBI Assembly: GCA_016703945.1 Ts
Description
Bacterium found in activated sludge.
Genome-wide gene annotation suggested the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway.
Can utilize branched chain amino acids (livFGHKM).
Predicted to convert acetate to acetyl-CoA via acetyl-CoA synthetase, acs, acetate kinase, ackA, and phosphate acetyltransferase, pta.
Potential to reduce nitrate with napAB along with the reduction of nitrate to nitric oxide with nirS. Lastly it also had nitrous oxide reductase, nosZ predicted.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Aalborgicola » Aalborgicola danicus
References
Effective publication: Petersen et al., 2025 [1]

Species Aalborgicola defluviihabitansTs

Etymology
[de.flu.vii.ha'bi.tans] L. neut. n. defluvium, sewage; L. pres. part. habitans, inhabiting; L. masc. part. adj. defluviihabitans, pertaining to the habitat where the MAG was sequenced from.
Nomenclatural type
NCBI Assembly: GCA_016705575.1 Ts
Description
Bacterium found in activated sludge.
Genome-wide gene annotation suggested the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway.
Predicted to convert acetate to acetyl-CoA via acetyl-CoA synthetase, acs, acetate kinase, ackA, and phosphate acetyltransferase, pta.
Potential to reduce nitrate with narGHI along with the reduction of nitrate to nitric oxide with nirS. Lastly it also had nitrous oxide reductase, nosZ predicted.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Aalborgicola » Aalborgicola defluviihabitansTs
References
Effective publication: Petersen et al., 2025 [1]

Species Aalborgicola lynettensis

Etymology
[ly.net.ten'sis] N.L. masc. adj. lynettensis, of the city of Lynetten, from where the MAG was obtained
Nomenclatural type
NCBI Assembly: GCA_016719405.1 Ts
Description
Bacterium found in activated sludge.
Genome-wide gene annotation suggested the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway.
Can utilize branched chain amino acids (livFGHKM)
Potential to reduce nitrate with narGHI. Lastly it also had nitrous oxide reductase, nosZ predicted.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Aalborgicola » Aalborgicola lynettensis
References
Effective publication: Petersen et al., 2025 [1]

Species Aalborgiella aggregataTs

Etymology
[ag.gre.ga'ta] L. fem. part. adj. aggregata, joined together
Nomenclatural type
NCBI Assembly: GCA_016708645.1 Ts
Description
Rod shaped bacterium (1.4± 0.3 x 0.4±0.1 µm) abundant in activated sludge globally. Based on FISH analysis it seems to grow along filaments in activated sludge. Based on genome-wide gene annotaion it has the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway. It furthermore showed potential for transportation of branched amino acids. Presence of narGHI genes showed potential to reduce nitrate.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Aalborgiella » Aalborgiella aggregataTs
References
Effective publication: Petersen et al., 2025 [1]

Species Defluviibacillus avedoerensisTs

Etymology
[a.ve.doe.ren'sis] N.L. masc. adj. avedoerensis, of the city Avedoere from which the MAG is retrieved from
Nomenclatural type
NCBI Assembly: GCA_016703665.1 Ts
Description
Rod shaped bacteria (2.1± 0.4 x 0.6±0.1 µm) abundant in activated sludge globally.
Based on genome-wide gene annotaion it has the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway. It furthermore showed potential for transportation of polar amino acids and branched amino acids.
Presence of narGHI genes showed potential to reduce nitrate along with potential for further conversion via norB . It also had the potential to reduce nitrite to nitric oxide via nitrite reductase, nirS. 
Defluviibacillus avedoerensis had predicted all genes of the three pathways (polyP, glycogen and PHA) associated with Pao metabolism.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Defluviibacillus » Defluviibacillus avedoerensisTs
References
Effective publication: Petersen et al., 2025 [1]

Species Egaibacter danicusTs

Etymology
[da'ni.cus] L. masc. adj. danicus, Danish
Nomenclatural type
NCBI Assembly: GCA_016707075.1 Ts
Description
Bacterium found in activated sludge.
Genome-wide gene annotation suggested the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway.
Glucose uptake of via the gtsABC+malK transporter was also predicted.
Can utilize branched chain amino acids (livFGHKM).
Predicted to convert acetate to acetyl-CoA via acetyl-CoA synthetase, acs.
Potential to reduce nitrate with narGHI along with the reduction of nitrate to nitric oxide with nirS
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Egaibacter » Egaibacter danicusTs
References
Effective publication: Petersen et al., 2025 [1]

Species Rhodoferax bjergmarkensis

Etymology
[bjerg.mar.ken'sis] N.L. masc. adj. bjergmarkensis, of the city of Bjergmarken, from where the MAG was obtained
Nomenclatural type
NCBI Assembly: GCA_016708345.1 Ts
Description
Bacterium found in activated sludge.
Genome-wide gene annotation suggested the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway.
Can utilize branched chain amino acids (livFGHKM).
Predicted to convert acetate to acetyl-CoA via acetyl-CoA synthetase, acs, and acetate kinase, ackA
Potential to reduce nitrate with narGHI along with the reduction of nitrate to nitric oxide with nirS. Lastly it also had nitrous oxide reductase, nosZ predicted.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Comamonadaceae » Rhodoferax » Rhodoferax bjergmarkensis
References
Effective publication: Petersen et al., 2025 [1]

Species Rhodoferax mariagerensis

Etymology
[ma.ri.a.ge.ren'sis] N.L. masc. adj. mariagerensis, of the city of Mariager where the MAG was obtained
Nomenclatural type
NCBI Assembly: GCA_016719055.1 Ts
Description
Bacterium found in activated sludge.
Genome-wide gene annotation suggested the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway.
Can utilize branched chain amino acids (livFGHKM) and polar amino acids (ABC.PA.A, ABC.PA.P, ABC.PA.S).
Predicted to convert acetate to acetyl-CoA via acetyl-CoA synthetase, acs, acetate kinase, ackA, and phosphate acetyltransferase, pta.
Potential to reduce nitrate with narGHI
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Comamonadaceae » Rhodoferax » Rhodoferax mariagerensis
References
Effective publication: Petersen et al., 2025 [1]

Species Rhodoferax odensensis

Etymology
[o.den.sen'sis] N.L. masc. adj. odensensis, pertaining to Odense, a city in Denmark where the original sample was collected
Nomenclatural type
NCBI Assembly: GCA_016718405.1 Ts
Description
acterium found in activated sludge.
Genome-wide gene annotation suggested the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway.
Can utilize branched chain amino acids (livFGHKM).
Predicted to convert acetate to acetyl-CoA via acetyl-CoA synthetase, acs, acetate kinase, ackA, and phosphate acetyltransferase, pta.
Potential to reduce nitrate to nitric oxide with nirS. Lastly it also had nitrous oxide reductase, nosZ predicted.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Comamonadaceae » Rhodoferax » Rhodoferax odensensis
References
Effective publication: Petersen et al., 2025 [1]

Species Rhodoferax randersensis

Etymology
[ran.der.sen'sis] N.L. masc. adj. randersensis, from the city Randers where the MAG had been retrieved
Nomenclatural type
NCBI Assembly: GCA_016718155.1 Ts
Description
Bacterium found in activated sludge.
Genome-wide gene annotation suggested the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway.
Predicted to convert acetate to acetyl-CoA via acetyl-CoA synthetase, acs, acetate kinase, ackA, and phosphate acetyltransferase, pta.
Potential to reduce nitrate with narGHI along with the reduction of nitrate to nitric oxide with nirS. Lastly it also had nitrous oxide reductase, nosZ predicted.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Comamonadaceae » Rhodoferax » Rhodoferax randersensis
References
Effective publication: Petersen et al., 2025 [1]

Species Skiveiella danicaTs

Etymology
[da.ni'ca] L. fem. adj. danica, Danish
Nomenclatural type
NCBI Assembly: GCA_016721925.1 Ts
Description
Bacteria found in activated sludge. Based on genome-wide gene annotaion it has the potential for full glycolysis, pentose phosphate pathway, citric acid cycle and glyoxylate pathway. It furthermore showed potential for transportation of polar amino acids.
Presence of narGHI genes showed potential to reduce nitrate.
Classification
Bacteria » Pseudomonadota » Betaproteobacteria » Burkholderiales » Burkholderiaceae » Skiveiella » Skiveiella danicaTs
References
Effective publication: Petersen et al., 2025 [1]

References

  1. Petersen et al. (2025). Diversity and physiology of abundant Rhodoferax species in global wastewater treatment systems. Systematic and Applied Microbiology. DOI:10.1016/j.syapm.2024.126574

Register List Certificate of Validation

On behalf of the Committee on the Systematics of Prokaryotes Described from Sequence Data (SeqCode Committee), we hereby certify that the Register List seqco.de/r:ftcpaei9 submitted by Fischer Petersen, Jette and including 17 new names has been successfully validated.


Date of Priority: 2025-08-28 09:33 UTC
DOI: 10.57973/seqcode.r:ftcpaei9