Genus Derxia
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: 2
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).
Derxia Jensen et al. 1960, genus.
Type species: ¤ Derxia gummosa Jensen et al. 1960 (Approved Lists 1980).
Etymology: N.L. fem. n. Derxia, named after the Dutch microbiologist H.G. Derx (1894-1953).
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: JENSEN (H.L.), PETERSEN (E.J.), DE (P.K.) and BHATTACHARYA (R.): A new nitrogen-fixing bacterium: Derxia gummosa nov. gen. nov. spec. Archiv fur Mikrobiologie, 1960, 36, 182-195.
Derxia gummosa Jensen et al. 1960, species. (Type species of the genus.)
Type strain: (see also Global Catalogue of Microorganisms) ATCC 15994= DSM 723 = JCM 20996 = LMG 3977 = NBRC 102506 = NRRL B-4319 = NRRL B-14655.
Sequence accession no. (16S rRNA gene) for the type strain: AB089482.
Synonym: "Derxia indica" Roy and Sen 1962.
Etymology: L. fem. adj. gummosa, full of gum, gummy; intended to mean slime (gum) producing.
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: JENSEN (H.L.), PETERSEN (E.J.), DE (P.K.) and BHATTACHARYA (R.): A new nitrogen-fixing bacterium: Derxia gummosa nov. gen. nov. spec. Archiv fur Mikrobiologie, 1960, 36, 182-195.
Derxia lacustris Chen et al. 2013, sp. nov.
Type strain: (see also Global Catalogue of Microorganisms) HL-12 = BCRC 80208 = KCTC 23311.
Sequence accession no. (16S rRNA gene) for the type strain: HM046412.
Etymology: N.L. fem. adj. lacustris (from L. n. lacus, a lake), belonging to a lake, referring to the site from which the type strain was isolated.
Valid publication: CHEN (W.M.), HUANG (W.C.) and SHEU (S.Y.): Derxia lacustris sp. nov., a nitrogen-fixing bacterium isolated from a freshwater lake. Int. J. Syst. Evol. Microbiol., 2013, 63, 965-970.
Original article in IJSEM Online