Name: Leucothrix arctica KACC 18010
Creator: BacDive
License: http://creativecommons.org/licenses/by-nc/4.0/

Strain identifier

BacDive ID: 159811

Type strain:

Species: Leucothrix arctica

Culture col. no.: KACC 18010, NBRC 110382, IMCC 9719

NCBI tax ID(s): 1481894 (species)

Section

Leucothrix arctica KACC 18010 is an aerobe, psychrophilic, Gram-negative bacterium that forms circular colonies and was isolated from surface seawater sample of the Arctic Circle.

colony-forming
Gram-negative
rod-shaped
aerobe
psychrophilic
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	*Beggiatoales*
	Family	*Leucotrichaceae*
	Genus	*Leucothrix*
	Species	**Leucothrix arctica**
	Full Scientific Name (LPSN)	Leucothrix arctica Baek et al. 2018

Information on morphological and physiological properties Morphology

[Ref.: #66775]	Gram stain	negative

[Ref.: #66775]	Cell length	1.1-2.0 µm

[Ref.: #66775]	Cell width	0.5-0.6 µm

[Ref.: #66775]	Cell shape	rod-shaped

[Ref.: #66775]	Motility	no

[Ref.: #66775]	Colony size	1-2 mm
[Ref.: #66775]	Colony color	yellow
[Ref.: #66775]	Colony shape	circular
[Ref.: #66775]	Incubation period	5 days
[Ref.: #66775]	Cultivation medium used	Marine agar (MA)

Information on culture and growth conditions Culture and growth conditions

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Culture medium

Marine agar (MA)

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Culture medium growth

	Temperatures	Kind of temperature		Temperature
[Ref.: #66775]			optimum	15 °C
[Ref.: #66775]			growth	4-37 °C

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Temperature range

psychrophilic

	pH	Kind of pH		pH
[Ref.: #66775]			optimum	7.5-8.5
[Ref.: #66775]			growth	5-10

Information on physiology and metabolism Physiology and metabolism

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Oxygen tolerance

aerobe

	Halophily	Salt	Tested relation		Salt conc.
[Ref.: #66775]		NaCl		growth	0.5-10	%(w/v)
[Ref.: #66775]		NaCl		optimum	2.0-2.5	%(w/v)

[Ref.: #66775]	Observation	The respiratory quinone detected in cells is Q-8.
[Ref.: #66775]	Observation	Major polar lipids are diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, an unidentified aminophospholipid, two unidentified phospholipids and an unidentified polar lipid.

	Metabolite	Utilization activity	Kind of utilization tested
[Ref.: #66775]	amygdalin ChEBI	+	assimilation
[Ref.: #66775]	arabinose ChEBI	-	assimilation
[Ref.: #66775]	arbutin ChEBI	+	assimilation
[Ref.: #66775]	casein	-	hydrolysis
[Ref.: #66775]	cellobiose ChEBI	-	assimilation
[Ref.: #66775]	chitin ChEBI	-	hydrolysis
[Ref.: #66775]	crystalline cellulose	-	hydrolysis
[Ref.: #66775]	D-arabitol ChEBI	+	assimilation
[Ref.: #66775]	D-fructose ChEBI	+	assimilation
[Ref.: #66775]	D-fucose ChEBI	-	assimilation
[Ref.: #66775]	D-galactose ChEBI	-	assimilation
[Ref.: #66775]	D-glucose ChEBI	-	assimilation
[Ref.: #66775]	D-lyxose ChEBI	-	assimilation
[Ref.: #66775]	D-mannitol ChEBI	+	assimilation
[Ref.: #66775]	D-mannose ChEBI	-	assimilation
[Ref.: #66775]	D-ribose ChEBI	-	assimilation
[Ref.: #66775]	D-sorbitol ChEBI	-	assimilation
[Ref.: #66775]	D-tagatose ChEBI	-	assimilation
[Ref.: #66775]	dna ChEBI	-	hydrolysis
[Ref.: #66775]	erythritol ChEBI	-	assimilation
[Ref.: #66775]	esculin ChEBI	+	hydrolysis
[Ref.: #66775]	esculin ferric citrate	-	assimilation
[Ref.: #66775]	galactitol ChEBI	-	assimilation
[Ref.: #66775]	gentiobiose ChEBI	-	assimilation
[Ref.: #66775]	glucose ChEBI	-	assimilation
[Ref.: #66775]	glycerol ChEBI	+	assimilation
[Ref.: #66775]	glycogen ChEBI	-	assimilation
[Ref.: #66775]	inulin ChEBI	-	assimilation
[Ref.: #66775]	L-arabitol ChEBI	-	assimilation
[Ref.: #66775]	L-fucose ChEBI	+	assimilation
[Ref.: #66775]	L-rhamnose ChEBI	+	assimilation
[Ref.: #66775]	L-sorbose ChEBI	+	assimilation
[Ref.: #66775]	lactose ChEBI	-	assimilation
[Ref.: #66775]	maltose ChEBI	-	assimilation
[Ref.: #66775]	melezitose ChEBI	-	assimilation
[Ref.: #66775]	melibiose ChEBI	-	assimilation
[Ref.: #66775]	methyl alpha-D-glucopyranoside ChEBI	-	assimilation
[Ref.: #66775]	methyl beta-D-xylopyranoside ChEBI	-	assimilation
[Ref.: #66775]	myo-inositol ChEBI	-	assimilation
[Ref.: #66775]	N-acetylglucosamine ChEBI	-	assimilation
[Ref.: #66775]	potassium 2-dehydro-D-gluconate	+	assimilation
[Ref.: #66775]	potassium 5-dehydro-D-gluconate	-	assimilation
[Ref.: #66775]	potassium gluconate ChEBI	-	assimilation
[Ref.: #66775]	raffinose ChEBI	-	assimilation
[Ref.: #66775]	ribitol ChEBI	-	assimilation
[Ref.: #66775]	salicin ChEBI	-	assimilation
[Ref.: #66775]	starch ChEBI	-	assimilation
[Ref.: #66775]	starch ChEBI	-	hydrolysis
[Ref.: #66775]	sucrose ChEBI	-	assimilation
[Ref.: #66775]	trehalose ChEBI	-	assimilation
[Ref.: #66775]	turanose ChEBI	-	assimilation
[Ref.: #66775]	tween 20 ChEBI	-	hydrolysis
[Ref.: #66775]	tween 80 ChEBI	+	hydrolysis
[Ref.: #66775]	xylitol ChEBI	-	assimilation
[Ref.: #66775]	xylose ChEBI	-	assimilation
	Only first 10 entries are displayed. Click here to see all.

	Metabolite production	Metabolite	Production
[Ref.: #66775]		hydrogen sulfide ChEBI	no
[Ref.: #66775]		indole ChEBI	no

	Enzyme	Enzyme activity	EC number
[Ref.: #66775]	acid phosphatase	+	3.1.3.2
[Ref.: #66775]	alkaline phosphatase	+	3.1.3.1
[Ref.: #66775]	alpha-chymotrypsin	-	3.4.21.1
[Ref.: #66775]	alpha-fucosidase	-	3.2.1.51
[Ref.: #66775]	alpha-galactosidase	-	3.2.1.22
[Ref.: #66775]	alpha-glucosidase	-	3.2.1.20
[Ref.: #66775]	alpha-mannosidase	-	3.2.1.24
[Ref.: #66775]	arginine dihydrolase	-	3.5.3.6
[Ref.: #66775]	beta-galactosidase	-	3.2.1.23
[Ref.: #66775]	beta-galactosidase	+	3.2.1.23
[Ref.: #66775]	beta-glucosidase	-	3.2.1.21
[Ref.: #66775]	beta-glucuronidase	-	3.2.1.31
[Ref.: #66775]	catalase	+	1.11.1.6
[Ref.: #66775]	cystine arylamidase	-	3.4.11.3
[Ref.: #66775]	cytochrome oxidase	+	1.9.3.1
[Ref.: #66775]	esterase (C 4)	+
[Ref.: #66775]	esterase Lipase (C 8)	+
[Ref.: #66775]	gelatinase	-
[Ref.: #66775]	leucine arylamidase	+	3.4.11.1
[Ref.: #66775]	lipase (C 14)	-
[Ref.: #66775]	N-acetyl-beta-glucosaminidase	-	3.2.1.52
[Ref.: #66775]	naphthol-AS-BI-phosphohydrolase	-
[Ref.: #66775]	nitrate reductase	-	1.7.99.4
[Ref.: #66775]	trypsin	-	3.4.21.4
[Ref.: #66775]	urease	-	3.5.1.5
[Ref.: #66775]	valine arylamidase	+
	Only first 10 entries are displayed. Click here to see all.

Fatty acid profile

Metadata FA analysis

Reference

[Ref.: #66775]

Fatty acid	Percentage
C18:1 w6c and/or C18:1 w7c	46.4
C16:1 w6c and/or C16:1 w7c	30.8
C16:0	12.6
C10:0 3OH	3.8
C12:1 3OH	2.3
C14:0 3OH and/or iso-C16:1 I	2
C18:0	2

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

[Ref.: #66775]	Sample type/isolated from	surface seawater sample of the Arctic Circle
[Ref.: #66775]	Geographic location (country and/or sea, region)	Kongsfjorden, Svalbard
[Ref.: #66775]	Country	Arctic Ocean
[Ref.: #66775]	Geographic location	79.0038°/11.6691°
[Ref.: #66775]	Enrichment culture	Reasoner's 2A (R2A) agar (BD Diagnostics)
[Ref.: #66775]	Enrichment culture composition	prepared in aged seawater
[Ref.: #66775]	Enrichment culture duration	2 months
[Ref.: #66775]	Enrichment culture temperature	10 ̊C
[Ref.: #66775]	Isolation/enrichment procedure	by a standard dilution-plating method. The optimum temperature for growth was determined and the working cultures were thereafter maintained on marine agar 2216 (MA; BD Diagnostics) or in marine broth 2216 (MB; BD Diagnostics) at 15 C.
* marker position based on {}

Isolation sources categories

#Environmental	#Aquatic	#Marine
#Climate	#Cold	#Polar
#Environmental	#Aquatic	#Surface water

What are isolation sources categories?

[Ref.: #69479]

Global distribution of 16S sequence KJ160496 (>99% sequence identity) for Leucothrix arctica from Microbeatlas

Aquatic Samples	696
Soil Samples	10
Animal Samples	177
Plant Samples	1
Total Samples	884

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.: #66775]	Leucothrix sp. IMCC9719 16S ribosomal RNA gene, partial sequence	KJ160496	1449	ENA	1481894 tax ID

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GC-content

43.5 mol%

genome sequence analysis

Availability in culture collections External links

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Culture collection no.

KACC 18010, NBRC 110382, IMCC 9719

Literature:

Topic	Title	Authors	Journal	DOI	Year
Phylogeny	Leucothrix sargassi sp. nov., isolated from a marine alga [Sargassum natans (L.) Gaillon].	Liu T, Zhang Y, Zhang X, Zhou L, Meng C, Zhou C, Jing C, Zhu W, Wang Y	Int J Syst Evol Microbiol	10.1099/ijsem.0.003694	2019	*
Phylogeny	Leucothrix arctica sp. nov., isolated from Arctic seawater.	Baek K, Choi A, Lee YM, Lee HK, Cho JC	Int J Syst Evol Microbiol	10.1099/ijsem.0.003072	2018	*

References

#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 )

#66775

Kiwoon Baek, Ahyoung Choi, Yung Mi Lee, Hong Kum Lee and Jang-Cheon Cho: Leucothrix arctica sp. nov., isolated from Arctic seawater. IJSEM 68: 3851 - 3855 2018 ( DOI 10.1099/ijsem.0.003072 , PubMed 30516460 )

#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 .

* These data were automatically processed and therefore are not curated

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