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Calditenuis ramacidaminiphagus

Citation

Formal styling
Calditenuis ramacidaminiphagus Lai et al., 2026
Effective publication
Lai et al., 2026
SeqCode status
Valid (SeqCode)
Register List
seqco.de/r:orts0bmb (validated)
Canonical URL
https://seqco.de/i:44020

Nomenclature

Rank
Species
Syllabication
ra.ma.ci.da.mi.ni.pha'gus
Etymology
L. masc. n. ramus, branch; N.L. neut. n. acidum aminum, amino acid; N.L. masc. suff. -phagus, eater; N.L. masc. adj. ramacidaminiphagus, a branched-chain amino acid eater
Nomenclatural type
NCBI Assembly: GCA_050589285.1
Nomenclatural status
Validly published under the SeqCode

Taxonomy

Description
The type strain of Calditenuis ramacidaminiphagus (LZᵀˢ) was recovered from Great Boiling Spring, Gerlach, Nevada, USA. The genome is 1,506,500 bp (estimated 1,536,304 bp) with a G+C content of 62.0%. Quality assessment using CheckM indicates 98.1% completeness and 0% contamination. The organism specializes in the metabolism of branched-chain amino acids, with propionate also incorporated as a major substrate.
Classification
Incertae sedis (Archaea) » “Caldarchaeales” » Calditenuaceae » Calditenuis » Calditenuis ramacidaminiphagus
Parent
Calditenuis

Genomics

Accession
NCBI Assembly:GCA_050589285.1
Type
Metagenome-Assembled Genome (MAG)
Estimated Quality Metrics
  • Completeness: 98.06%
  • Contamination: 0.0%
  • Quality: 98.06
Ribosomal and transfer RNA genes
  • 1 16S rRNA (up to 100.0%)
  • 1 23S rRNA (up to 100.0%)
  • tRNAs for 20 amino acids
Source
Other features
  • G+C Content: 62.0%
  • Coding Density: 91.24%
  • Codon Table: 11
  • N50: 102,387 bp
  • Contigs: 19
  • Largest Contig: 200,429 bp
  • Assembly Length: 1,504,789 bp
  • Ambiguous Assembly Fraction: 0.0%
Submitter comments
 Genome quality was assessed using CheckM v1.0.12. Transfer RNA genes were predicted with tRNAscan-SE v2.0.5, and ribosomal RNA genes were identified using barrnap v0.9. 
Automated checks
Complete
See additional details
Last modified 19 days ago

Metadata

Outside links and data sources
Search sequences
Local history
Registered
About 2 years ago by Lai, Dengxun
Submitted
30 days ago by Lai, Dengxun
Curators
Validated
2 days ago by St. John, Emily
Date of priority
2026-02-13 10:22 AM (UTC)

Publications
1

Citation Title
Lai et al., 2026, Nature Communications Branched-chain amino acid specialization drove diversification within Calditenuaceae (Caldarchaeia) and enables their cultivation
Effective publication


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