Polaribacter haliotis (RA4-7, KCTC 52418, NBRC 112383)

Name: Polaribacter haliotis (RA4-7, KCTC 52418, NBRC 112383)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 133261

Type strain

Strain Designation RA4-7

Culture col. no. RA4-7 KCTC 52418 NBRC 112383

NCBI tax ID(s) 1888915

Special Collections KCTC Literature strains

Links

Polaribacter haliotis RA4-7 is an aerobe, Gram-negative, ovoid-shaped prokaryote that forms circular colonies and was isolated from gut of an abalone .

Gram-negative ovoid-shaped colony-forming aerobe genome sequence 16S sequence

Name and taxonomic classification

SI-ID 286530

KCTC 52418,NBRC 112383

@ref 20215

Last LPSN update 2025-12-16 10:01:44

Domain Pseudomonadati

Phylum Bacteroidota

Class Flavobacteriia

Order Flavobacteriales

Family Flavobacteriaceae

Genus Polaribacter

Species Polaribacter haliotis

Full scientific name Polaribacter haliotis Kim et al. 2016

Morphology

Cell morphology

@ref	Cell length	Cell width	Cell shape	Gram stain	Confidence
25054			ovoid-shaped	negative
25054			rod-shaped
25054	0.3-10.0 µm	0.2-0.5 µm	coccus-shaped
67771			rod-shaped
67771			ovoid-shaped
67771				negative
125439				negative	99.7
125438					94.5
125438				negative	98

Colony morphology

@ref	Colony size	Colony color	Colony shape	Incubation period	Medium used
25054	1.5-2.0 mm	light yellow	circular	5 days	MA

Pigmentation

@ref	Production	Name
25054		no Flexirubin-type pigments

Culture and growth conditions

Culture medium

@ref	Name	Growth
25054	Marine agar (MA)

Culture temp

@ref	Growth	Type	Temperature (°C)	Range
25054	positive	growth	4-30
25054	negative	growth	35
25054	positive	optimum	25	mesophilic
67771	positive	growth	25	mesophilic

Culture pH

@ref	Ability	Type	PH
25054	positive	optimum	7.0-7.5
25054	positive	growth	5.5
25054		growth	5

Physiology and metabolism

Oxygen tolerance

@ref	Oxygen tolerance	Confidence
25054	aerobe
67771	aerobe
125439	aerobe	96.9

Spore formation

@ref	Spore formation	Confidence
25054
67771
125439		95.1

Halophily

@ref	Salt	Growth	Tested relation	Concentration
25054	NaCl	positive	growth	1.0-5.0 %(w/v)
25054	NaCl		optimum	2.0-3.0 %(w/v)

Observation

67771

Observationquinones: MK-6

Metabolite utilization

@ref	Chebi-ID	Metabolite	Utilization activity	Kind of utilization tested
25054		casein	-	hydrolysis
25054	17057 ChEBI	cellobiose	-	builds acid from
25054	15824 ChEBI	D-fructose	+	builds acid from
25054	12936 ChEBI	D-galactose	+	builds acid from
25054	17634 ChEBI	D-glucose	-	builds acid from
25054	16899 ChEBI	D-mannitol	-	builds acid from
25054	16024 ChEBI	D-mannose	+	builds acid from
25054	16988 ChEBI	D-ribose	-	builds acid from
25054	17924 ChEBI	D-sorbitol	-	builds acid from
25054	16551 ChEBI	D-trehalose	-	builds acid from
25054	65327 ChEBI	D-xylose	-	builds acid from
25054	4853 ChEBI	esculin	+	hydrolysis
25054	5291 ChEBI	gelatin	-	hydrolysis
25054	17368 ChEBI	hypoxanthine	-	hydrolysis
25054	30849 ChEBI	L-arabinose	-	builds acid from
25054	62345 ChEBI	L-rhamnose	-	builds acid from
25054	17895 ChEBI	L-tyrosine	+	hydrolysis
25054	17716 ChEBI	lactose	+	builds acid from
25054	17306 ChEBI	maltose	-	builds acid from
25054	6731 ChEBI	melezitose	-	builds acid from
25054	28053 ChEBI	melibiose	-	builds acid from
25054	17268 ChEBI	myo-inositol	-	builds acid from
25054	17632 ChEBI	nitrate	-	reduction
25054	16634 ChEBI	raffinose	-	builds acid from
25054	28017 ChEBI	starch	+	hydrolysis
25054	17992 ChEBI	sucrose	+	builds acid from
25054	53426 ChEBI	tween 80	+	hydrolysis
25054	16199 ChEBI	urea	-	hydrolysis
25054	15318 ChEBI	xanthine	-	hydrolysis

Antibiotic resistance

@ref	ChEBI	Metabolite
25054	28971	ampicillin
25054	3393	carbenicillin
25054	124991	cefalotin
25054	17698	chloramphenicol
25054	17833	gentamicin
25054	6104	kanamycin
25054	6472	lincomycin
25054	7507	neomycin
25054	28368	novobiocin
25054	16869	oleandomycin
25054	18208	penicillin g
25054	8309	polymyxin b
25054	17076	streptomycin
25054	27902	tetracycline

Enzymes

@ref	Value	Activity	Ec
25054	acid phosphatase	+	3.1.3.2
25054	alkaline phosphatase	+	3.1.3.1
25054	alpha-chymotrypsin	-	3.4.21.1
25054	alpha-fucosidase	-	3.2.1.51
25054	alpha-galactosidase	-	3.2.1.22
25054	alpha-glucosidase	-	3.2.1.20
25054	alpha-mannosidase	-	3.2.1.24
25054	beta-galactosidase	-	3.2.1.23
25054	beta-glucosidase	+	3.2.1.21
25054	beta-glucuronidase	-	3.2.1.31
25054	catalase	+	1.11.1.6
25054	cystine arylamidase	+	3.4.11.3
25054	cytochrome oxidase	+	1.9.3.1
25054	esterase (C 4)	+
25054	esterase lipase (C 8)	+
25054	leucine arylamidase	+	3.4.11.1
25054	lipase (C 14)	-
25054	N-acetyl-beta-glucosaminidase	+	3.2.1.52
25054	naphthol-AS-BI-phosphohydrolase	+
25054	trypsin	-	3.4.21.4
25054	valine arylamidase	+

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2	Cat3
#Host	#Invertebrates (Other)	#Mollusca
#Host Body-Site	#Gastrointestinal tract	#Stomach

Isolation

@ref	Sample type	Geographic location	Country	Country ISO 3 Code	Continent	Enrichment culture	Enrichment culture temperature	Isolation procedure
25054	gut of an abalone (Haliotis discus hannai)	sea around Jeju island	Republic of Korea	KOR	Asia	mixture (1:1, v/v) of R2A agar (BD Difco) and marine agar 2216 (BD Difco)	20	standard dilution plating technique
67771	From abalone, `Haliotis discus hanna`	Jeju island	Republic of Korea	KOR	Asia

Interaction and safety

Sequence information

Genome sequences

@ref	Description	Assembly level	INSDC accession	BV-BRC accession	IMG accession	NCBI tax ID	Score
66792	ASM1478405v1 assembly for Polaribacter haliotis KCTC 52418	complete	GCA_014784055	1888915.11	8067923734	1888915	96.57
124043	ASM3802419v1 assembly for Polaribacter haliotis KCTC 52418	complete	GCA_038024195			1888915	90.32
66792	ASM220131v1 assembly for Polaribacter haliotis RA4-7	contig	GCA_002201315	1888915.3	2788500510	1888915	71.01

16S sequences

@ref	Description	Accession	Length	Database	NCBI tax ID
25054	Polaribacter haliotis strain RA4-7 16S ribosomal RNA gene, partial sequence	KX450477	1442		1888915

GC content

@ref	GC-content (mol%)	Method
25054	30.5	high performance liquid chromatography (HPLC)
67771	30.5

Genome-based predictions

Predictions

Predictions from Deep Learning for Genome Sequence Data. R package version 0.3.1 based on: Polaribacter haliotis strain KCTC 52418
PATRIC: 1888915.11

@ref	Trait	Model	Prediction	Confidence in %	In training data
125439	spore_formation	BacteriaNetⓘ	no	95.10	no
125439	motility	BacteriaNetⓘ	no	59.90	no
125439	gram_stain	BacteriaNetⓘ	negative	99.70	no
125439	oxygen_tolerance	BacteriaNetⓘ	aerobe	96.90	no

Predictions from bacterial phenotypic traits through improved machine learning using high-quality, curated datasets based on: Polaribacter haliotis KCTC 52418
NCBI: GCA_014784055.1

@ref	Trait	Model	Prediction	Confidence in %	In training data
125438	gram-positive	gram-positiveⓘ	no	98.00	yes
125438	anaerobic	anaerobicⓘ	no	97.32	yes
125438	aerobic	aerobicⓘ	yes	87.12	yes
125438	spore-forming	spore-formingⓘ	no	89.83	yes
125438	thermophilic	thermophileⓘ	no	97.53	no
125438	flagellated	motile2+ⓘ	no	94.50	no

Literature

Topic	Title	Authors	Journal	DOI	Year
	Isolation and characterization of Polaribacter sargassicola sp. nov. and Algibacter ulvanivorans sp. nov.: two novel species with ability to degrade algal polysaccharides.	Li J, Mao A, Peng C, Li L, Li B, Zhou L, Xu Y, Zhong M, Hu Z.	Antonie Van Leeuwenhoek	10.1007/s10482-025-02117-5	2025
Phylogeny	Polaribacter litorisediminis sp. nov., isolated from a tidal flat.	Park S, Yoon SY, Ha MJ, Yoon JH	Int J Syst Evol Microbiol	10.1099/ijsem.0.001919	2017
Phylogeny	Polaribacter haliotis sp. nov., isolated from the gut of abalone Haliotis discus hannai.	Kim YO, Park IS, Park S, Nam BH, Park JM, Kim DG, Yoon JH	Int J Syst Evol Microbiol	10.1099/ijsem.0.001557	2016

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 )
#25054	Y. O. P. Kim, I. S.,Park, S.,Nam, B. H.,Park, J. M.,Kim, D. G.,Yoon, J. H.: Polaribacter haliotis sp. nov., isolated from the gut of abalone Haliotis discus hannai. IJSEM 66: 5562 - 5567 2016 ( DOI 10.1099/ijsem.0.001557 , PubMed 27902190 )
#66792	Julia Koblitz, Joaquim Sardà, Lorenz Christian Reimer, Boyke Bunk, Jörg Overmann: Automatically annotated for the DiASPora project (Digital Approaches for the Synthesis of Poorly Accessible Biodiversity Information) .
#67771	Korean Collection for Type Cultures (KCTC) ; Curators of the KCTC;
#124043	Isabel Schober, Julia Koblitz: Data extracted from sequence databases, automatically matched based on designation and taxonomy .
#125438	Julia Koblitz, Lorenz Christian Reimer, Rüdiger Pukall, Jörg Overmann: Predicting bacterial phenotypic traits through improved machine learning using high-quality, curated datasets. 2024 ( DOI 10.1101/2024.08.12.607695 )
#125439	Philipp Münch, René Mreches, Martin Binder, Hüseyin Anil Gündüz, Xiao-Yin To, Alice McHardy: deepG: Deep Learning for Genome Sequence Data. R package version 0.3.1 .
#126262	A. Lissin, I. Schober, J. F. Witte, H. Lüken, A. Podstawka, J. Koblitz, B. Bunk, P. Dawyndt, P. Vandamme, P. de Vos, J. Overmann, L. C. Reimer: StrainInfo—the central database for linked microbial strain identifiers. ( DOI 10.1093/database/baaf059 )

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Polaribacter haliotis (RA4-7, KCTC 52418, NBRC 112383)

Name and taxonomic classification

Morphology

Cell morphology

Colony morphology

Pigmentation

Culture and growth conditions

Culture medium

Culture temp

Culture pH

Physiology and metabolism

Oxygen tolerance

Spore formation

Halophily

Observation

Metabolite utilization

Antibiotic resistance

Enzymes

Isolation, sampling and environmental information

Isolation source categories

Isolation

Interaction and safety

Sequence information

Genome sequences

Genome browser: GCA_014784055

16S sequences

GC content

Genome-based predictions

Predictions

Literature

Literature

References

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