Genus Palaeococcus
Warning: In the List of Prokaryotic names with Standing in Nomenclature, an arrow (→) only indicates the sequence of valid publication of names and does not mean that the last name in the sequence must be used (see: Introduction).
Number of species, including synonyms, cited in this file: 3
Number of subspecies, including synonyms, cited in this file: 0
Classification (Warning: see also the file "Classification of prokaryotes: Introduction").
For a detailed description of this taxon see Bergey’s Manual of Systematics of Archaea and Bacteria (BMSAB).
Palaeococcus Takai et al. 2000, gen. nov.
Type species: ¤ Palaeococcus ferrophilus Takai et al. 2000.
Etymology: Gr. adj. palaios, ancient; N.L. masc. n. coccus (from Gr. masc. n. kokkos, grain, seed), coccus; N.L. masc. n. Palaeococcus, ancient spherical cell, denoting the ancient lineage of this organism.
Valid publication: TAKAI (K.), SUGAI (A.), ITOH (T.) and HORIKOSHI (K.): Palaeococcus ferrophilus gen. nov., sp. nov., a barophilic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney. Int. J. Syst. Evol. Microbiol., 2000, 50, 489-500.
Original article in IJSEM Online
Palaeococcus ferrophilus Takai et al. 2000, sp. nov. (Type species of the genus.)
Type strain: (see also Global Catalogue of Microorganisms) DMJ = ATCC BAA-128 = DSM 13482 = JCM 10417.
Sequence accession no. (16S rRNA gene) for the type strain: AB019239.
Etymology: L. n. ferrum, iron; N.L. adj. philus -a -um (from Gr. adj. philos -ê -on), friend, loving; N.L. masc. adj. ferrophilus, iron-loving, indicating that it requires iron for growth in the absence of sulfur.
Valid publication: TAKAI (K.), SUGAI (A.), ITOH (T.) and HORIKOSHI (K.): Palaeococcus ferrophilus gen. nov., sp. nov., a barophilic, hyperthermophilic archaeon from a deep-sea hydrothermal vent chimney. Int. J. Syst. Evol. Microbiol., 2000, 50, 489-500.
Original article in IJSEM Online
Note: In the paper by Takai et al. 2000, the type strain is erroneously cited as strain DMJ = JCM 10246 (sic).
Reference: Erratum. Int. J. Syst. Evol. Microbiol., 2000, 50, 1411.
Palaeococcus helgesonii Amend et al. 2006, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) PI1 = DSM 15127 = JCM 13384.
Sequence accession no. (16S rRNA gene) for the type strain: AY134472.
Etymology: N.L. gen. masc. n. helgesonii, of Hegelson, in honor of Harold C. Helgeson, aqueous geochemist and biogeochemist, who first recognized the importance of studying thermophiles in their geochemical context.
Valid publication: Validation List no. 107. Int. J. Syst. Evol. Microbiol., 2006, 56, 1-6.
Effective publication: AMEND (J.P.), MEYER-DOMBARD (D'ARCY R.), SHETH (S.N.), ZOLOTOVA (N.) and AMEND (A.C.): Palaeococcus helgesonii sp. nov., a facultatively anaerobic, hyperthermophilic archaeon from a geothermal well on Vulcano Island, Italy. Arch. Microbiol., 2003, 179, 394-401.
Validation List no. 107 in IJSEM Online - Effective publication Online
Note: The culture collection accession number JCM 13384 has been provided on request for validation.
Reference: LISTS EDITOR, IJSEM: Validation List no. 107 (footnote ||||). Int. J. Syst. Evol. Microbiol., 2006, 56, 1-6.
Validation List no. 107 in IJSEM Online
Palaeococcus pacificus Zeng et al. 2013, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) DY20341 = DSM 24777 = JCM 17873.
Sequence accession no. (16S rRNA gene) for the type strain: HQ696462.
Etymology: L. masc. adj. pacificus, pertaining to the Pacific Ocean from which the type strain was isolated.
Valid publication: ZENG (X.), ZHANG (X.), JIANG (L.), ALAIN (K.), JEBBAR (M.) and SHAO (Z.): Palaeococcus pacificus sp. nov., an archaeon from deep-sea hydrothermal sediment. Int. J. Syst. Evol. Microbiol., 2013, 63, 2155-2159.
Original article in IJSEM Online