Name: Ectothiorhodospira variabilis WN22
Creator: BacDive
License: https://creativecommons.org/licenses/by/4.0/

Strain identifier

BacDive ID: 4279

Type strain:

Species: Ectothiorhodospira variabilis

Strain Designation: WN22

Culture col. no.: DSM 21381, VKM B-2479

Strain history: <- V. Thiel, IFM-GEOMAR, Kiel, Germany <- V. Gorlenko and D. Yu. Sorokin; WN22

NCBI tax ID(s): 505694 (species)

SI-ID 362304

DSM 21381, VKM B-2479

Special Collections

Section

Ectothiorhodospira variabilis WN22 is an anaerobe, Gram-negative, motile bacterium that was isolated from microbial mat of shallow water soda lake.

Gram-negative
motile
anaerobe
16S sequence
Bacteria

Information on the name and the taxonomic classification. Name and taxonomic classification

	Last LPSN update	14-12-2023 (DD-MM-YYYY)
	Domain	"Bacteria"
	Phylum	*Pseudomonadota*
	Class	*Gammaproteobacteria*
	Order	*Chromatiales*
	Family	*Ectothiorhodospiraceae*
	Genus	*Ectothiorhodospira*
	Species	**Ectothiorhodospira variabilis**
	Full Scientific Name (LPSN)	Ectothiorhodospira variabilis Gorlenko et al. 2009

Information on morphological and physiological properties Morphology

[Ref.: #29039]	Gram stain	negative

[Ref.: #29039]	Cell length	1.35 µm

[Ref.: #29039]	Cell width	1 µm

[Ref.: #29039]	Motility	yes

[Ref.: #29039]

Pigment production

yes

Information on culture and growth conditions Culture and growth conditions

[Ref.: #15657]

Culture medium

ECTOTHIORHODOSPIRA VARIABILIS MEDIUM (DSMZ Medium 1224)

[Ref.: #15657]

Culture medium growth

[Ref.: #15657]

Culture medium link

Medium recipe at MediaDive

[Ref.: #15657]

Culture medium composition

expand / minimize

		Temperature
[Ref.: #15657]	growth	28 °C
[Ref.: #29039]	growth	20-45 °C
[Ref.: #29039]	optimum	32.5 °C

	pH	Kind of pH		pH
[Ref.: #29039]			optimum	9.25
[Ref.: #29039]			growth	7.5-10

Information on physiology and metabolism Physiology and metabolism

[Ref.: #15657]	Oxygen tolerance	anaerobe
[Ref.: #29039]	Oxygen tolerance	anaerobe

	Halophily	Salt	Tested relation		Salt conc.
[Ref.: #29039]		NaCl		growth	02-20	%
[Ref.: #29039]		NaCl		optimum	6.5	%

	Metabolite	Utilization activity	Kind of utilization tested
[Ref.: #29039]	acetate ChEBI	+	carbon source
[Ref.: #29039]	lactate ChEBI	+	carbon source
[Ref.: #29039]	malonate ChEBI	+	carbon source
[Ref.: #29039]	propionate ChEBI	+	carbon source
[Ref.: #29039]	pyruvate ChEBI	+	carbon source
[Ref.: #29039]	succinate ChEBI	+	carbon source

Information on isolation source, the sampling and environmental conditions Isolation, sampling and environmental information

[Ref.: #15657]	Sample type/isolated from	microbial mat of shallow water soda lake
[Ref.: #15657]	Geographic location (country and/or sea, region)	Wadi Natrum, Lake Um-Risha
[Ref.: #15657]	Country	Egypt
[Ref.: #15657]	Country ISO 3 Code	EGY
[Ref.: #15657]	Continent	Africa
* marker position based on {}

Isolation sources categories

#Environmental	#Aquatic	#Lake (large)
#Environmental	#Microbial community	#Microbial mat
#Condition	#Alkaline	-

What are isolation sources categories?

[Ref.: #69479]

Global distribution of 16S sequence AM943121 (>99% sequence identity) for Ectothiorhodospira from Microbeatlas

Aquatic Samples	907
Soil Samples	106
Animal Samples	498
Plant Samples	10
Total Samples	1521

Information on possible application of the strain and its possible interaction with e.g. potential hosts Safety information

[Ref.: #15657]

Biosafety level

Risk group (German classification)
According to TRBA 466

Information on genomic background e.g. entries in nucleic sequence databass Sequence information

16S Sequence information:

	Sequence accession description	Seq. accession number	Sequence length (bp)	Sequence database	Associated NCBI tax ID
[Ref.: #15657]	Ectothiorhodospira variabilis partial 16S rRNA gene, type strain WN22T	AM943121	1401	GenBank ENA	505694 tax ID

[Ref.: #15657]	GC-content	62.7 mol%	thermal denaturation, midpoint method (Tm)
[Ref.: #29039]	GC-content	62.7 mol%

Availability in culture collections External links

[Ref.: #15657]

Culture collection no.

DSM 21381, VKM B-2479

[Ref.: #73773]

SI-ID 362304

Literature:

Topic	Title	Authors	Journal	DOI	Year
Phylogeny	Description of Ectothiorhodospira salini sp. nov.	Venkata Ramana V, Sasikala C, Veera Venkata Ramaprasad E, Venkata Ramana C	J Gen Appl Microbiol	10.2323/jgam.56.313	2010	*
Phylogeny	Ectothiorhodospira variabilis sp. nov., an alkaliphilic and halophilic purple sulfur bacterium from soda lakes.	Gorlenko VM, Bryantseva IA, Rabold S, Tourova TP, Rubtsova D, Smirnova E, Thiel V, Imhoff JF	Int J Syst Evol Microbiol	10.1099/ijs.0.004648-0	2009	*

References

#15657

Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 21381

#20215

Parte, A.C., Sardà Carbasse, J., Meier-Kolthoff, J.P., Reimer, L.C. and Göker, M.: List of Prokaryotic names with Standing in Nomenclature (LPSN) moves to the DSMZ. IJSEM ( DOI 10.1099/ijsem.0.004332 )

#29039

Barberan A, Caceres Velazquez H, Jones S, Fierer N.: Hiding in Plain Sight: Mining Bacterial Species Records for Phenotypic Trait Information. mSphere 2: 2017 ( DOI 10.1128/mSphere.00237-17 , PubMed 28776041 ) - originally annotated from #25469 (see below)

#69479

João F Matias Rodrigues, Janko Tackmann,Gregor Rot, Thomas SB Schmidt, Lukas Malfertheiner, Mihai Danaila,Marija Dmitrijeva, Daniela Gaio, Nicolas Näpflin and Christian von Mering. University of Zurich.: MicrobeAtlas 1.0 beta .

#73773

Reimer, L.C., Lissin, A.,Schober, I., Witte,J.F., Podstawka, A., Lüken, H., Bunk, B.,Overmann, J.: StrainInfo: A central database for resolving microbial strain identifiers . ( DOI 10.60712/SI-ID362304.1 )

#25469

IJSEM 658 2009 ( DOI 10.1099/ijs.0.004648-0 , PubMed 19329583 )

* These data were automatically processed and therefore are not curated

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