Genus Polynucleobacter
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: 15
Number of subspecies, including synonyms, cited in this file: 2
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).
Polynucleobacter Heckmann and Schmidt 1987, gen. nov.
Type species: ¤ Polynucleobacter necessarius Heckmann and Schmidt 1987.
Etymology: Gr. adj. polus, many, numerous; L. masc. n. nucleus, a little nut, kernel; N.L. masc. n. bacter, a rod; N.L. masc. n. polynucleobacter, the rod (bacterium) with many nucleoids.
Valid publication: HECKMANN (K.) and SCHMIDT (H.J.): Polynucleobacter necessarius gen. nov., sp. nov., an obligately endosymbiotic bacterium living in the cytoplasm of Euplotes aediculatus. Int. J. Syst. Bacteriol., 1987, 37, 456-457.
Original article in IJSEM Online
→ Polynucleobacter Heckmann and Schmidt 1987 emend. Hahn et al. 2009.
Reference: HAHN (M.W.), LANG (E.), BRANDT (U.), WU (Q.L.) and SCHEUERL (T.): Emended description of the genus Polynucleobacter and the species Polynucleobacter necessarius and proposal of two subspecies, P. necessarius subsp. necessarius subsp. nov. and P. necessarius subsp. asymbioticus subsp. nov. Int. J. Syst. Evol. Microbiol., 2009, 59, 2002-2009.
Original article in IJSEM Online
Polynucleobacter acidiphobus Hahn et al. 2011, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MWH-PoolGreenA3 = CIP 110079 = DSM 21994.
Sequence accession no. (16S rRNA gene) for the type strain: FM208180.
Etymology: N.L. n. acidum (from L. adj. acidus, sour) an acid; Gr. suff. -phobos (from Gr. n. phobos, panic fear) having a horror; N.L. masc. adj. acidiphobus, acid-hating, referring to the observation that this species was never detected in acidic waters.
Valid publication: HAHN (M.W.), LANG (E.), BRANDT (U.) and SPRÖER (C.): Polynucleobacter acidiphobus sp. nov., a representative of an abundant group of planktonic freshwater bacteria. Int. J. Syst. Evol. Microbiol., 2011, 61, 788-794.
Original article in IJSEM Online
Polynucleobacter aenigmaticus Hahn et al. 2017, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MWH-K35W1=DSM 24006=LMG 29706.
Sequence accession no. (whole genome shotgun sequence) for the type strain: CBI30_02030.
Whole-genome sequence accession no.: NGUO00000000.
Etymology: L. masc. adj. aenigmaticus, enigmatic, as it is unclear if the type strain is really able to inhabit permanently anoxic water layers.
Source: Environmental - freshwater.
Valid publication: HAHN, M. W., KOLL, U., KARBON, G., SCHMIDT, J. and LANG, E. 2017. Polynucleobacter aenigmaticus sp. nov. isolated from the permanently anoxic monimolimnion of a temperate meromictic lake. Int. J. Syst. Evol. Microbiol., 67, 4646-4654.
Original article in IJSEM Online
Polynucleobacter asymbioticus Hahn et al. 2016, comb. nov.
Type strain: (see also Global Catalogue of Microorganisms) QLW-P1DMWA-1=DSM 18221=CIP 109841.
Sequence accession no. (16S rRNA gene) for the type strain: AJ879783.
Whole-genome sequence accession no. for the type strain: CP000655.
Basonym: ¤ Polynucleobacter necessarius Hahn et al. 2009.
Etymology: Gr. pref. a, not; N.L. masc. adj. symbioticus -a -um, living together; N.L. masc. adj. asymbioticus, not symbiotic.
Source: Animal.
Valid publication: HAHN, M. W., SCHMIDT, J., PITT, A., TAIPALE, S. J. and LANG, E. 2016. Reclassification of four Polynucleobacter necessarius strains as representatives of Polynucleobacter asymbioticus comb. nov., Polynucleobacter duraquae sp. nov., Polynucleobacter yangtzensis sp. nov. and Polynucleobacter sinensis sp. nov., and emended description of Polynucleobacter necessarius Int. J. Syst. Evol. Microbiol., 66, 2883-2892.
Original article in IJSEM Online
Polynucleobacter campilacus Hahn et al. 2018, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MWH-Feld-100=DSM 24007=LMG 29705.
Sequence accession no. (16S rRNA gene) for the type strain: MG952228.
Whole-genome sequence accession no.: NGUP00000000.
Etymology: L. masc. n. campus, field; L. gen. n. lacus, of a lake, N.L. gen. n. campilacus, of field lake, referring to Lake Feldsee (‘field lake’) in Germany, indicating the site from which the type strain was isolated.
Source: Environmental - freshwater.
Valid publication: HAHN, M. W., KOLL, U., SCHMIDT, J., HUYMANN, L. R., KARBON, G. and LANG, E. 2018. Polynucleobacter hirudinilacicola sp. nov. and Polynucleobacter campilacus sp. nov., both isolated from freshwater systems. Int. J. Syst. Evol. Microbiol., 68, 2593-2601.
Original article in IJSEM Online
Polynucleobacter cosmopolitanus Hahn et al. 2010, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MWH-MoIso2 = CIP 109840 = DSM 21490 = LMG 25212.
Sequence accession no. (16S rRNA gene) for the type strain: AJ550672.
Etymology: N.L. masc. adj. cosmopolitanus (from Gr. adj. kosmopolites, an inhabitant of the world, a cosmopolitan), cosmopolitan.
Valid publication: HAHN (M.W.), LANG (E.), BRANDT (U.), LÜNSDORF (H.), WU (Q.L.) and STACKEBRANDT (E.): Polynucleobacter cosmopolitanus sp. nov., free-living planktonic bacteria inhabiting freshwater lakes and rivers. Int. J. Syst. Evol. Microbiol., 2010, 60, 166-173.
Original article in IJSEM Online
Polynucleobacter difficilis Hahn et al. 2012, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) AM-8B5 = CIP 110078 = DSM 22349.
Sequence accession no. (16S rRNA gene) for the type strain: FM208181.
Etymology: L. masc. adj. difficilis, difficult, troublesome, referring to difficulties in cultivating the type strain.
Valid publication: HAHN (M.W.), MINASYAN (A.), LANG (E.), KOLL (U.) and SPRÖER (C.): Polynucleobacter difficilis sp. nov., a planktonic freshwater bacterium affiliated with subcluster B1 of the genus Polynucleobacter. Int. J. Syst. Evol. Microbiol., 2012, 62, 376-383.
Original article in IJSEM Online
Polynucleobacter duraquae Hahn et al. 2016, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MWH-MoK4=DSM 21495=CIP 110977.
Sequence accession no. (16S rRNA gene) for the type strain: AJ550654.
Whole-genome sequence accession no. for the type strain: CP007501.
Etymology: L. adj. durus -a -um, hard; L. fem. n. aqua, water; N.L. gen. fem. n. duraquae, from/of hard water, i.e. water with higher concentrations of dissolved limestone.
Source: Environmental - freshwater.
Valid publication: HAHN, M. W., SCHMIDT, J., PITT, A., TAIPALE, S. J. and LANG, E. 2016. Reclassification of four Polynucleobacter necessarius strains as representatives of Polynucleobacter asymbioticus comb. nov., Polynucleobacter duraquae sp. nov., Polynucleobacter yangtzensis sp. nov. and Polynucleobacter sinensis sp. nov., and emended description of Polynucleobacter necessarius Int. J. Syst. Evol. Microbiol., 66, 2883-2892.
Original article in IJSEM Online
Polynucleobacter hirudinilacicola Hahn et al. 2018, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MWH-EgelM1-30-B4=DSM 23911=LMG 30144.
Sequence accession no. (16S rRNA gene) for the type strain: FN429662.
Whole-genome sequence accession no.: NAIA00000000.
Etymology: L. fem. n. hirudo -inis, a leech; L. masc. n. lacus, lake; L. suff. -cola (from L. masc. or fem. n. incola), inhabitant, dweller; N.L. masc. n. hirudinilacicola, inhabitant of leech lake (German Egelsee).
Source: Environmental - freshwater.
Valid publication: HAHN, M. W., KOLL, U., SCHMIDT, J., HUYMANN, L. R., KARBON, G. and LANG, E. 2018. Polynucleobacter hirudinilacicola sp. nov. and Polynucleobacter campilacus sp. nov., both isolated from freshwater systems. Int. J. Syst. Evol. Microbiol., 68, 2593-2601.
Original article in IJSEM Online
Polynucleobacter meluiroseus Pitt et al. 2018, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) AP-Melu-1000-B4=DSM 103591=CIP 111329.
Sequence accession no. (16S rRNA gene) for the type strain: MF872602.
Whole-genome sequence accession no.: OANS00000000.
Etymology: L. masc. adj. roseus, rose-coloured; N.L. masc. adj. meluiroseus, a rose-coloured (bacterium) from Lake Melu.
Source: Environmental - freshwater.
Valid publication: PITT, A., SCHMIDT, J., LANG, E., WHITMAN, W. B., WOYKE, T. and HAHN, M. W. 2018. Polynucleobacter meluiroseus sp. nov., a bacterium isolated from a lake located in the mountains of the Mediterranean island of Corsica. Int. J. Syst. Evol. Microbiol., 68, 1975-1985.
Original article in IJSEM Online
Polynucleobacter necessarius Heckmann and Schmidt 1987, sp. nov. (Type species of the genus.)
Type strain: (see also Global Catalogue of Microorganisms) description (endosymbiont in stock 15 of Euplotes aediculatus, which is deposited at the ATCC (ATCC 30859.
Sequence accession no. (16S rRNA gene) for the type strain: AM397067.
Etymology: L. masc. adj. necessarius, indispensable, necessary.
Valid publication: HECKMANN (K.) and SCHMIDT (H.J.): Polynucleobacter necessarius gen. nov., sp. nov., an obligately endosymbiotic bacterium living in the cytoplasm of Euplotes aediculatus. Int. J. Syst. Bacteriol., 1987, 37, 456-457.
Original article in IJSEM Online
→ Polynucleobacter necessarius Heckmann and Schmidt 1987 emend. Hahn et al. 2009.
Type strain: (see also Global Catalogue of Microorganisms) description [endosymbiont in stock 15 of Euplotes aediculatus, which is deposited at the ATCC (ATCC 30859].
Sequence accession no. (16S rRNA gene) for the type strain: AM397067.
Etymology: L. masc. adj. necessarius, indispensable, necessary.
Reference: HAHN (M.W.), LANG (E.), BRANDT (U.), WU (Q.L.) and SCHEUERL (T.): Emended description of the genus Polynucleobacter and the species Polynucleobacter necessarius and proposal of two subspecies, P. necessarius subsp. necessarius subsp. nov. and P. necessarius subsp. asymbioticus subsp. nov. Int. J. Syst. Evol. Microbiol., 2009, 59, 2002-2009.
Original article in IJSEM Online
Note: Subsequently, this species has been divided into subspecies (see: below).
Polynucleobacter necessarius subsp. asymbioticus Hahn et al. 2009, subsp. nov.
Type strain: (see also Global Catalogue of Microorganisms) QLW-P1DMWA-1 = CIP 109841 = DSM 18221.
Sequence accession no. (16S rRNA gene) for the type strain: AJ879783.
Etymology: Gr. pref a, not; N.L. adj. symbioticus -a -um, living together; N.L. masc. adj. asymbioticus, not symbiotic.
Valid publication: HAHN (M.W.), LANG (E.), BRANDT (U.), WU (Q.L.) and SCHEUERL (T.): Emended description of the genus Polynucleobacter and the species Polynucleobacter necessarius and proposal of two subspecies, P. necessarius subsp. necessarius subsp. nov. and P. necessarius subsp. asymbioticus subsp. nov. Int. J. Syst. Evol. Microbiol., 2009, 59, 2002-2009.
Original article in IJSEM Online
→ ¤ Polynucleobacter asymbioticus (Hahn et al. 2009) Hahn et al. 2016, sp. nov.
Polynucleobacter necessarius subsp. necessarius (Heckmann and Schmidt 1987) Hahn et al. 2009, subsp. nov.
Type strain: (see also Global Catalogue of Microorganisms) description [endosymbiont in stock 15 of Euplotes aediculatus, which is deposited at the ATCC (ATCC 30859].
Sequence accession no. (16S rRNA gene) for the type strain: AM397067.
Etymology: L. masc. adj. necessarius, indispensable, necessary.
Valid publication: HAHN (M.W.), LANG (E.), BRANDT (U.), WU (Q.L.) and SCHEUERL (T.): Emended description of the genus Polynucleobacter and the species Polynucleobacter necessarius and proposal of two subspecies, P. necessarius subsp. necessarius subsp. nov. and P. necessarius subsp. asymbioticus subsp. nov. Int. J. Syst. Evol. Microbiol., 2009, 59, 2002-2009.
Original article in IJSEM Online
Note: The original authorship, Heckmann and Schmidt 1987, was corrected according to the new Rule 40d.
Reference: GARRITY (G.M.), LABEDA (D.P.) and OREN (A.): Judicial Commission of the International Committee on Systematics of Prokaryotes. XIIth International (IUMS) Congress of Bacteriology and Applied Microbiology. Minutes of the meetings, 3, 4 and 6 August 2008, Istanbul, Turkey. Int. J. Syst. Evol. Microbiol., 2011, 61, 2775-2780.
Original article in IJSEM Online
Polynucleobacter rarus Hahn et al. 2011, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MT-CBb6A5 = CIP 109928 = DSM 21648.
Sequence accession no. (16S rRNA gene) for the type strain: FM208182.
Etymology: L. masc. adj. rarus, rare, referring to the observation that this species represents a rare species, in contrast to the previously described species of the genus Polynucleobacter.
Valid publication: HAHN (M.W.), LANG (E.), TARAO (M.) and BRANDT (U.): Polynucleobacter rarus sp. nov., a free-living planktonic bacterium isolated from an acidic lake. Int. J. Syst. Evol. Microbiol., 2011, 61, 781-787.
Original article in IJSEM Online
Polynucleobacter sinensis Hahn et al. 2016, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MWH-HuW1=DSM 21492=CIP 110978.
Sequence accession no. (16S rRNA gene) for the type strain: AJ550666.
Whole-genome sequence accession no. for the type strain: LOJJ00000000.
Etymology: N.L. fem. adj. sinensis, pertaining to China, the country where the bacterium was isolated.
Source: Environmental - freshwater.
Valid publication: HAHN, M. W., SCHMIDT, J., PITT, A., TAIPALE, S. J. and LANG, E. 2016. Reclassification of four Polynucleobacter necessarius strains as representatives of Polynucleobacter asymbioticus comb. nov., Polynucleobacter duraquae sp. nov., Polynucleobacter yangtzensis sp. nov. and Polynucleobacter sinensis sp. nov., and emended description of Polynucleobacter necessarius Int. J. Syst. Evol. Microbiol., 66, 2883-2892.
Original article in IJSEM Online
Polynucleobacter sphagniphilus Hahn et al. 2017, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MWH-Weng1-1=DSM 24018=CIP 111099.
Sequence accession no. (whole genome shotgun sequencing project) for the type strain: MPIY01000000.
Whole-genome sequence accession no.: MPIY01000000.
Etymology: N.L. neut. n. Sphagnum, generic name of sphagnum moss; N.L. adj. philus -a -um (from Gr. adj. philos, -ê -on), friend, loving; N.L. masc. adj. sphagniphilus, Sphagnum-loving.
Source: Environmental - freshwater.
Valid publication: HAHN, M. W., KARBON, G., KOLL, U., SCHMIDT, J. and LANG, E. 2017. Polynucleobacter sphagniphilus sp. nov. a planktonic freshwater bacterium isolated from an acidic and humic freshwater habitat. Int. J. Syst. Evol. Microbiol., 67, 3261-3267.
Original article in IJSEM Online
Polynucleobacter victoriensis Hahn et al. 2017, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MWH-VicM1=DSM 21486=JCM 32005.
Sequence accession no. (16S rRNA gene) for the type strain: AJ550651.
Whole-genome sequence accession no.: FYEX00000000.
Etymology: N.L. masc. adj. victoriensis, of or belonging to Lake Victoria, the lake from which the type strain was isolated.
Source: Environmental - freshwater.
Valid publication: HAHN, M. W., SCHMIDT, J., ASIYO, G. S., KYRPIDES, N. C., WOYKE, T. and WHITMAN, W. B. 2017. Reclassification of a Polynucleobacter cosmopolitanus strain isolated from tropical Lake Victoria as Polynucleobacter victoriensis sp. nov. Int. J. Syst. Evol. Microbiol., 67, 5087-5093.
Original article in IJSEM Online
Polynucleobacter wuianus Hahn et al. 2017, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) QLW-P1FAT50C-4=DSM 24008=CIP 111100.
Sequence accession no. (16S rRNA gene) for the type strain: AJ879778.
Whole-genome sequence accession no.: CP015922.
Etymology: N.L. masc. adj. wuianus, of Wu, named after Qinglong L. Wu, Chinese microbiologist and microbial ecologist, who isolated the type strain and strongly contributed to research on diversity of the genus Polynucleobacter and other freshwater bacteria.
Source: Environmental - freshwater.
Valid publication: HAHN, M. W., HUYMANN, L. R., KOLL, U., SCHMIDT, J., LANG, E. and HOETZINGER, M. 2017. Polynucleobacter wuianus sp. nov., a free-living freshwater bacterium affiliated with the cryptic species complex PnecC. Int. J. Syst. Evol. Microbiol., 67, 379-385.
Original article in IJSEM Online
Polynucleobacter yangtzensis Hahn et al. 2016, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) MWH-JaK3=DSM 21493=CIP 110976.
Sequence accession no. (16S rRNA gene) for the type strain: AJ550657.
Whole-genome sequence accession no. for the type strain: LOJI00000000.
Etymology: N.L. masc. adj. yangtzensis, of or belonging to the Yangtze River, the river from where the type strain was isolated.
Source: Environmental - freshwater.
Valid publication: HAHN, M. W., SCHMIDT, J., PITT, A., TAIPALE, S. J. and LANG, E. 2016. Reclassification of four Polynucleobacter necessarius strains as representatives of Polynucleobacter asymbioticus comb. nov., Polynucleobacter duraquae sp. nov., Polynucleobacter yangtzensis sp. nov. and Polynucleobacter sinensis sp. nov., and emended description of Polynucleobacter necessarius Int. J. Syst. Evol. Microbiol., 66, 2883-2892.
Original article in IJSEM Online