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, including synonyms, cited in this file: 5
Number of subspecies, including synonyms, 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.
Approved Lists reference: 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).
Original publication: KÜTZING (F.T.): Phycologia Generalis. Leipzig, 1843.
Leptothrix cholodnii Mulder and van Veen 1963, species.
Type strain: (see also Global Catalogue of Microorganisms) 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.
Approved Lists reference: 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).
Original publication: 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 Global Catalogue of Microorganisms) 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
Leptothrix discophora (ex Schwers 1912) Spring et al. 1997, sp. nov., nom. rev.
Type strain: (see also Global Catalogue of Microorganisms) 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.
Valid publication: Validation List no. 61. Int. J. Syst. Bacteriol., 1997, 47, 601-602.
Effective publication: 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
Leptothrix lopholea Dorff 1934, species.
Type strain: (see also Global Catalogue of Microorganisms) 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.
Approved Lists reference: 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).
Original publication: 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).
Leptothrix mobilis Spring et al. 1997, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) Feox-1 = DSM 10617 = LMG 17066.
Sequence accession no. (16S rRNA gene) for the type strain: X97071.
Etymology: L. fem. adj. mobilis, movable, motile.
Valid publication: Validation List no. 61. Int. J. Syst. Bacteriol., 1997, 47, 601-602.
Effective publication: 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
Leptothrix ochracea (Roth 1797) Kützing 1843, species. (Type species of the genus.)
Type strain: (see also Global Catalogue of Microorganisms) 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.
Approved Lists reference: 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).
Original publication: 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.