Caldicellulosiruptor acetigenus (DSM 7040, ATCC BAA-1149, X6B)

Name: Caldicellulosiruptor acetigenus (DSM 7040, ATCC BAA-1149, X6B)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 18023

Type strain

Strain Designation X6B

Culture col. no. DSM 7040 ATCC BAA-1149 X6B

NCBI tax ID(s) 1121259 301953

Special Collections DSMZ

History DSMZ <- B. K. Ahring, Technical University of Denmark, Lyngby, Denmark; X6B (Thermoanaerobium acetigenum)

Links

Caldicellulosiruptor acetigenus X6B is an anaerobe bacterium that was isolated from hot spring.

anaerobe genome sequence 16S sequence Bacteria

Name and taxonomic classification

SI-ID 48349

DSM 7040,ATCC BAA-1149

@ref 20215

Last LPSN update 2026-05-29 08:29:09

Domain Bacteria

Phylum Bacillota

Class Clostridia

Order Caldicellulosiruptorales

Family Caldicellulosiruptoraceae

Genus Caldicellulosiruptor

Species Caldicellulosiruptor acetigenus

Full scientific name Caldicellulosiruptor acetigenus (Nielsen et al. 1994) Onyenwoke et al. 2006

Synonyms (6)

Thermoanaerobium acetigenum
"Anaerocellum acetigenus"
Caldicellulosiruptor lactoaceticus
Caldicellulosiruptor kristjanssonii
"Anaerocellum acetigenus subsp. kristjanssonii"
"Anaerocellum acetigenus subsp. lactoaceticus"

BacDive ID	Other strains from **Caldicellulosiruptor acetigenus** (2)	Type strain
18024	C. acetigenus 6A, DSM 9545, NBRC 117005, KCTC 25804
18026	C. acetigenus I77R1B, DSM 12137, ATCC 700853

Morphology

Culture and growth conditions

Culture medium

@ref	Name	Growth	Medium link	Composition
2957	CALDICELLULOSIRUPTOR ACETIGENUS MEDIUM (DSMZ Medium 144a)		Medium recipe at MediaDive	Name: CALDICELLULOSIRUPTOR ACETIGENUS MEDIUM (DSMZ Medium 144a) Composition: D-Glucose 5.0 g/l K2HPO4 1.5 g/l Na2S x 9 H2O 1.0 g/l Yeast extract 1.0 g/l NH4Cl 0.9 g/l KH2PO4 0.75 g/l MgCl2 x 6 H2O 0.4 g/l Nitrilotriacetic acid 0.1152 g/l NaCl 0.009 g/l FeSO4 x 7 H2O 0.003 g/l FeCl2 x 4 H2O 0.0018 g/l CoCl2 x 6 H2O 0.00153 g/l MnCl2 x 4 H2O 0.0009 g/l CaCl2 x 2 H2O 0.0009 g/l ZnCl2 0.0009 g/l Sodium resazurin 0.0005 g/l NiCl2 x 6 H2O 0.00027 g/l Na2SeO3 x 5 H2O 0.00027 g/l CuCl2 0.00018 g/l H3BO3 9e-05 g/l Na2MoO4 x 2 H2O 9e-05 g/l Pyridoxine hydrochloride 5e-05 g/l p-Aminobenzoic acid 2.5e-05 g/l (DL)-alpha-Lipoic acid 2.5e-05 g/l Nicotinic acid 2.5e-05 g/l Riboflavin 2.5e-05 g/l Thiamine HCl 2.5e-05 g/l Calcium D-(+)-pantothenate 2.5e-05 g/l Biotin 1e-05 g/l Folic acid 1e-05 g/l Vitamin B12 5e-07 g/l Distilled water

Culture temp

@ref	Growth	Type	Temperature (°C)
2957	positive	growth	70

Physiology and metabolism

Oxygen tolerance

@ref	Oxygen tolerance	Confidence
2957	anaerobe
125438	anaerobe	97.34
125439	anaerobe	99.46

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2	Cat3
#Environmental	#Aquatic	#Thermal spring
#Condition	#Thermophilic (>45°C)	-

Isolation

@ref	Sample type	Country	Country ISO 3 Code	Continent
2957	hot spring	Iceland	ISL	Europe

Interaction and safety

Risk assessment

@ref	Biosafety level	Biosafety level comment
2957	1	Risk group (German classification) According to TRBA 466

Sequence information

Genome sequences

@ref	Description	Assembly level	INSDC accession	BV-BRC accession	IMG accession	NCBI tax ID	Score
124043	ASM2691430v1 assembly for Caldicellulosiruptor acetigenus DSM 7040	complete	GCA_026914305	301953.3	8118961645	301953	89.98
66792	ASM42172v1 assembly for Caldicellulosiruptor acetigenus DSM 7040	contig	GCA_000421725	1121259.3	2524614853	1121259	63.02

16S sequences

@ref	Description	Accession	Length	Database	NCBI tax ID
2957	Caldicellulosiruptor acetigenus clone 2 16S ribosomal RNA gene, partial sequence	AY772477	1413		301953
2957	Caldicellulosiruptor acetigenus clone 1 16S ribosomal RNA gene, partial sequence	AY772476	1421		301953

GC content

@ref	GC-content (mol%)	Method
2957	35.7
2957	36.1	sequence analysis

Genome-based predictions

Predictions

Predictions from Deep Learning for Genome Sequence Data. R package version 0.3.1 based on: ASM2691430v1 assembly for Caldicellulosiruptor acetigenus DSM 7040
NCBI: GCA_026914305

@ref	Trait	Model	Prediction	Confidence in %	In training data
125439	oxygen_tolerance	BacteriaNetⓘ	anaerobe	99.46	no
125439	gram_stain	BacteriaNetⓘ	variable	64.73	no
125439	motility	BacteriaNetⓘ	yes	74.90	no
125439	spore_formation	BacteriaNetⓘ	yes	70.54	no

Predictions from bacterial phenotypic traits through improved machine learning using high-quality, curated datasets based on: Caldicellulosiruptor acetigenus DSM 7040
PATRIC: 1121259.3

@ref	Trait	Model	Prediction	Confidence in %	In training data
125438	gram-positive	gram-positiveⓘ	yes	69.02	no
125438	anaerobic	anaerobicⓘ	yes	97.34	yes
125438	spore-forming	spore-formingⓘ	no	53.96	no
125438	aerobic	aerobicⓘ	no	97.73	no
125438	thermophilic	thermophileⓘ	yes	85.62	yes
125438	flagellated	motile2+ⓘ	yes	74.35	no

Literature

Topic	Title	Authors	Journal	DOI	Year
	Complete Genome Sequences of Caldicellulosiruptor acetigenus DSM 7040, Caldicellulosiruptor morganii DSM 8990 (RT8.B8), and Caldicellulosiruptor naganoensis DSM 8991 (NA10).	Bing RG, Willard DJ, Manesh MJH, Laemthong T, Crosby JR, Adams MWW, Kelly RM.	Microbiol Resour Announc	10.1128/mra.01292-22	2023
Enzymology	A novel SfaNI-like restriction-modification system in Caldicellulosiruptor extents the genetic engineering toolbox for this genus.	Swinnen S, Zurek C, Kramer M, Heger RM, Domeyer JE, Ziegler J, Svetlitchnyi VA, Laufer A.	PLoS One	10.1371/journal.pone.0279562	2022
	Characterization and adaptation of Caldicellulosiruptor strains to higher sugar concentrations, targeting enhanced hydrogen production from lignocellulosic hydrolysates.	Byrne E, Bjorkmalm J, Bostick JP, Sreenivas K, Willquist K, van Niel EWJ.	Biotechnol Biofuels	10.1186/s13068-021-02058-x	2021
	Fermentation of Mannitol Extracts From Brown Macro Algae by Thermophilic Clostridia.	Chades T, Scully SM, Ingvadottir EM, Orlygsson J.	Front Microbiol	10.3389/fmicb.2018.01931	2018
Phylogeny	Reclassification of Thermoanaerobium acetigenum as Caldicellulosiruptor acetigenus comb. nov. and emendation of the genus description.	Onyenwoke RU, Lee YJ, Dabrowski S, Ahring BK, Wiegel J	Int J Syst Evol Microbiol	10.1099/ijs.0.63723-0	2006

References

#2957	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 7040
#20215	Parte, A.C., Sardà Carbasse, J., Meier-Kolthoff, J.P., Reimer, L.C. and Göker, M.: List of Prokaryotic names with Standing in Nomenclature (LPSN) moves to the DSMZ. IJSEM ( DOI 10.1099/ijsem.0.004332 )
#66792	Julia Koblitz, Joaquim Sardà, Lorenz Christian Reimer, Boyke Bunk, Jörg Overmann: Automatically annotated for the DiASPora project (Digital Approaches for the Synthesis of Poorly Accessible Biodiversity Information) .
#124043	Isabel Schober, Julia Koblitz: Data extracted from sequence databases, automatically matched based on designation and taxonomy .
#125438	Julia Koblitz, Lorenz Christian Reimer, Rüdiger Pukall, Jörg Overmann: Predicting bacterial phenotypic traits through improved machine learning using high-quality, curated datasets. 2024 ( DOI 10.1101/2024.08.12.607695 )
#125439	Philipp Münch, René Mreches, Martin Binder, Hüseyin Anil Gündüz, Xiao-Yin To, Alice McHardy: deepG: Deep Learning for Genome Sequence Data. R package version 0.3.1 .
#126262	A. Lissin, I. Schober, J. F. Witte, H. Lüken, A. Podstawka, J. Koblitz, B. Bunk, P. Dawyndt, P. Vandamme, P. de Vos, J. Overmann, L. C. Reimer: StrainInfo—the central database for linked microbial strain identifiers. ( DOI 10.1093/database/baaf059 )

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Caldicellulosiruptor acetigenus (DSM 7040, ATCC BAA-1149, X6B)

Name and taxonomic classification

Morphology

Culture and growth conditions

Culture medium

Culture temp

Physiology and metabolism

Oxygen tolerance

Isolation, sampling and environmental information

Isolation source categories

Isolation

Interaction and safety

Risk assessment

Sequence information

Genome sequences

Genome browser: GCA_026914305

16S sequences

GC content

Genome-based predictions

Predictions

Literature

Literature

References

BacDive

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