Genus Leptothrix

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 cited in this file: 5
Number of subspecies cited in this file: 0

Classification (Warning: see also the file "Classification of prokaryotes: Introduction").

 

Leptothrix Kützing 1843, genus.
Type species: ¤ Leptothrix ochracea (Roth 1797) Kützing 1843 (Approved Lists 1980).
Synonyms: "Detoniella" Trevisan in de Toni and Trevisan 1889, "Chlamydothrix" Migula 1900.
Etymology: Gr. adj. leptos, fine, small; Gr. fem. n. thrix, hair; N.L. fem. n. Leptothrix, fine hair.
References: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition). [KÜTZING (F.T.): Phycologia Generalis. Leipzig, 1843.]

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Leptothrix cholodnii Mulder and van Veen 1963, species.
Type strain: (see also StrainInfo.net) strain LVMW 99.
Sequence accession no. (16S rRNA gene) for the type strain: not found.
Etymology: N.L. gen. masc. n. cholodnii, of Cholodny, named for N. Cholodny, a Russian bacteriologist.
References: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition). [MULDER (E.G.) and van VEEN (W.L.): Investigations on the Sphaerotilus-Leptothrix group. Antonie van Leeuwenhoek Journal of Microbiology and Serology, 1963, 29, 121-153.]

Leptothrix cholodnii Mulder and van Veen 1963 (Approved Lists 1980) emend. Spring et al. 1997.
Type strain: (see also StrainInfo.net) see the footnote.
Sequence accession no. (16S rRNA gene) for the type strain: not found.
Etymology: N.L. gen. masc. n. cholodnii, of Cholodny, named for N. Cholodny, a Russian bacteriologist.
References: SPRING (S.), KÄMPFER (P.), LUDWIG (W.) and SCHLEIFER (K.H.): Polyphasic characterization of the genus Leptothrix: new descriptions of Leptothrix mobilis sp. nov. and Leptothrix discophora sp. nov. nom. rev. and emended description of Leptothrix cholodnii emend. Syst. Appl. Microbiol., 1996, 19, 634-643.
Effective publication Online

Note: The type strain LVMW 99 is lost, so Spring et al. 1997 propose to use the strain LMG 7171 as reference strain, until a neotype will be designated.
Reference: SPRING (S.), KÄMPFER (P.), LUDWIG (W.) and SCHLEIFER (K.H.): Polyphasic characterization of the genus Leptothrix: new descriptions of Leptothrix mobilis sp. nov. and Leptothrix discophora sp. nov. nom. rev. and emended description of Leptothrix cholodnii emend. Syst. Appl. Microbiol., 1996, 19, 634-643.
Effective publication Online

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Leptothrix discophora (ex Schwers 1912) Spring et al. 1997, sp. nov., nom. rev.
Type strain: (see also StrainInfo.net) strain SS-1 = ATCC 43182 = LMG 8141.
Sequence accession no. (16S rRNA gene) for the type strain: L33975.
Synonyms: "Megalothrix discophora" Schwers 1912, "Leptothrix crassa" Cholodny 1924, "Leptothrix discophora (Schwers 1912) Dorff 1934.
Etymology: Gr. n. diskos, anything quoit-shaped, a disk; Gr. adj. phoros, bearing; N.L. fem. adj. discophora, disk-bearing.
References: VALIDATION LIST no. 61. Int. J. Syst. Bacteriol., 1997, 47, 601-602. [SPRING (S.), KÄMPFER (P.), LUDWIG (W.) and SCHLEIFER (K.H.): Polyphasic characterization of the genus Leptothrix: new descriptions of Leptothrix mobilis sp. nov. and Leptothrix discophora sp. nov. nom. rev. and emended description of Leptothrix cholodnii emend. Syst. Appl. Microbiol., 1996, 19, 634-643.]
Validation List no. 61 in IJSEM Online - Effective publication Online

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Leptothrix lopholea Dorff 1934, species.
Type strain: (see also StrainInfo.net) strain LVMW 124.
Sequence accession no. (16S rRNA gene) for the type strain: not found.
Etymology: Gr. n. lophos, a crest; N.L. dim. fem. adj. lopholea, somewhat crested or tufted.
References: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition). [DORFF (P.): Die Eisenorganismen. Pflanzenforschung, Jena, 1934, 16, 1-62.]

Note: According to Dr. Kuever, the strain LVMW 124 is lost.
Reference: KUEVER (J.): Personal communication (February 11, 2010).

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Leptothrix mobilis Spring et al. 1997, sp. nov.
Type strain: (see also StrainInfo.net) strain Feox-1 = DSM 10617 = LMG 17066.
Sequence accession no. (16S rRNA gene) for the type strain: X97071.
Etymology: L. fem. adj. mobilis, movable, motile.
References: VALIDATION LIST no. 61. Int. J. Syst. Bacteriol., 1997, 47, 601-602. [SPRING (S.), KÄMPFER (P.), LUDWIG (W.) and SCHLEIFER (K.H.): Polyphasic characterization of the genus Leptothrix: new descriptions of Leptothrix mobilis sp. nov. and Leptothrix discophora sp. nov. nom. rev. and emended description of Leptothrix cholodnii emend. Syst. Appl. Microbiol., 1996, 19, 634-643.]
Validation List no. 61 in IJSEM Online - Effective publication Online

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Leptothrix ochracea (Roth 1797) Kützing 1843, species. (Type species of the genus.)
Type strain: (see also StrainInfo.net) no culture available.
Sequence accession no. (16S rRNA gene) for the type strain: not available.
Synonyms: "Conferva ochracea" Roth 1797, "Detoniella ochracea" (Roth 1797) Trevisan in de Toni and Trevisan 1889, "Chlamydothrix ochracea" (Roth 1797) Migula 1900, "Sphaerotilus natans forma ochracea" Pringsheim 1949.
Etymology: N.L. fem. adj. ochracea (from Gr. n. ochra, yellow-ochre),  like ochre.
References: SKERMAN (V.B.D.), McGOWAN (V.) and SNEATH (P.H.A.) (editors): Approved Lists of Bacterial Names. Int. J. Syst. Bacteriol., 1980, 30, 225-420 (Approved Lists of Bacterial Names in IJSEM Online - Approved Lists of Bacterial Names Amended edition). [1 ROTH (A.W.): Catalecta botanica quibus plantae novae et minus cognitae describuntur atque illustrantur. Lipsiae in Bibliopolio I.G. Mulleriano, Fasc. 1, 1797. 2 KÜTZING (F.T.): Phycologia Generalis. Leipzig, 1843.]

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