Palaeococcus helgesonii (DSM 15127, JCM 13384, PI1)

Name: Palaeococcus helgesonii (DSM 15127, JCM 13384, PI1)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 16853

Type strain

Strain Designation PI1

Culture col. no. DSM 15127 JCM 13384 PI1

NCBI tax ID(s) 207243

Special Collections DSMZ JCM

History DSMZ <- J. P. Amend, Washington University, St. Louis, USA; PI1 <- J. P. Amend {1999} JCM <-- DSM 15127 <-- J. P. Amend PI1.

Links

Palaeococcus helgesonii PI1 is an anaerobe archaeon that was isolated from geothermal well.

anaerobe 16S sequence Archaea

Name and taxonomic classification

SI-ID 113582

DSM 15127,JCM 13384

@ref 20215

Last LPSN update 2026-05-29 08:28:52

Domain Archaea

Phylum Methanobacteriota

Class Thermococci

Order Thermococcales

Family Thermococcaceae

Genus Palaeococcus

Species Palaeococcus helgesonii

Full scientific name Palaeococcus helgesonii Amend et al. 2006

BacDive ID	Other strains from **Palaeococcus helgesonii** (1)	Type strain
175088	P. helgesonii PAN-4, DSM 27946

Morphology

Culture and growth conditions

Culture medium

@ref	Name	Growth	Medium link	Composition
5624	PALAEOCOCCUS MEDIUM (DSMZ Medium 377a)		Medium recipe at MediaDive	Name: PALAEOCOCCUS MEDIUM (DSMZ Medium 377a) Composition: Sulfur 29.2398 g/l Peptone 4.87329 g/l MgCl2 x 6 H2O 2.68031 g/l Yeast extract 0.974659 g/l KH2PO4 0.487329 g/l Na2S x 9 H2O 0.487329 g/l KCl 0.321637 g/l NaBr 0.0487329 g/l MgSO4 x 7 H2O 0.0292398 g/l Nitrilotriacetic acid 0.0146199 g/l (NH4)2SO4 0.00974659 g/l NaCl 0.00974659 g/l SrCl2 x 6 H2O 0.00682261 g/l Citric acid 0.00487329 g/l MnSO4 x H2O 0.00487329 g/l ZnSO4 x 7 H2O 0.00175439 g/l CoSO4 x 7 H2O 0.00175439 g/l FeSO4 x 7 H2O 0.000974659 g/l CaCl2 x 2 H2O 0.000974659 g/l Sodium resazurin 0.000487329 g/l NiCl2 x 6 H2O 0.000292398 g/l AlK(SO4)2 x 12 H2O 0.000194932 g/l H3BO3 9.74659e-05 g/l CuSO4 x 5 H2O 9.74659e-05 g/l Pyridoxine hydrochloride 9.74659e-05 g/l Na2MoO4 x 2 H2O 9.74659e-05 g/l (DL)-alpha-Lipoic acid 4.87329e-05 g/l p-Aminobenzoic acid 4.87329e-05 g/l Calcium D-(+)-pantothenate 4.87329e-05 g/l Nicotinic acid 4.87329e-05 g/l Riboflavin 4.87329e-05 g/l Thiamine HCl 4.87329e-05 g/l KI 4.87329e-05 g/l Folic acid 1.94932e-05 g/l Biotin 1.94932e-05 g/l Na2WO4 x 2 H2O 3.89864e-06 g/l Na2SeO3 x 5 H2O 2.92398e-06 g/l Vitamin B12 9.74659e-07 g/l Distilled water

Culture temp

@ref	Growth	Type	Temperature (°C)
5624	positive	growth	80
67770	positive	growth	80

Physiology and metabolism

Oxygen tolerance

5624

Oxygen toleranceanaerobe

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2
#Environmental	#Aquatic

Isolation

@ref	Sample type	Geographic location	Country	Country ISO 3 Code	Continent
5624	geothermal well	Vulcano Island, near the Baia di Levante	Italy	ITA	Europe
67770	Shallow geothermal well (Pozzo Istmo) near the Baia di Levante on Vulcano		Italy	ITA	Europe

Interaction and safety

Risk assessment

@ref	Biosafety level	Biosafety level comment
5624	1	Risk group (German classification) According to TRBA 466

Sequence information

16S sequences

@ref	Description	Accession	Length	Database	NCBI tax ID
5624	Palaeococcus helgesonii 16S ribosomal RNA gene, partial sequence; 16S-23S intergenic spacer, complete sequence; and 23S ribosomal RNA gene, partial sequence	AY134472	1732		207243

GC content

@ref	GC-content (mol%)	Method
5624	42.5	high performance liquid chromatography (HPLC)

Genome-based predictions

Literature

Topic	Title	Authors	Journal	DOI	Year
Phylogeny	Palaeococcus helgesonii sp. nov., a facultatively anaerobic, hyperthermophilic archaeon from a geothermal well on Vulcano Island, Italy.	Amend JP, Meyer-Dombard DR, Sheth SN, Zolotova N, Amend AC	Arch Microbiol	10.1007/s00203-003-0542-7	2003

References

#5624	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 15127
#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 )
#67770	Japan Collection of Microorganism (JCM) ; Curators of the JCM;
#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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Palaeococcus helgesonii (DSM 15127, JCM 13384, PI1)

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

16S sequences

GC content

Genome-based predictions

Literature

Literature

References

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