Phaeobacter italicus (DSM 26436, CCUG 55857, LMG 24365)

Name: Phaeobacter italicus (DSM 26436, CCUG 55857, LMG 24365)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 13848

Type strain

Culture col. no. DSM 26436 CCUG 55857 LMG 24365

NCBI tax ID(s) 481446

Special Collections DSMZ CCUG Literature strains

History <- LMG <- I. Vandecandelaere, Univ. Gent, Belgium

Links

Phaeobacter italicus DSM 26436 is an aerobe, psychrophilic, Gram-negative prokaryote that was isolated from marine biofilm on stainless steel electrode.

Gram-negative motile rod-shaped aerobe psychrophilic genome sequence 16S sequence

Name and taxonomic classification

SI-ID 343773

LMG 24365,CCUG 55857,CECT 7645,DSM 26436

@ref 20215

Last LPSN update 2026-02-09 11:21:15

Domain Bacteria

Phylum Pseudomonadota

Class Alphaproteobacteria

Order Rhodobacterales

Family Roseobacteraceae

Genus Phaeobacter

Species Phaeobacter italicus

Full scientific name Phaeobacter italicus (Vandecandelaere et al. 2009) Wirth and Whitman 2018

Synonyms (1)

Nautella italica

Morphology

Cell morphology

@ref	Gram stain	Cell length	Cell width	Cell shape	Confidence
28962	negative	1.8 µm	0.9 µm	rod-shaped
125439	negative				99
125438	negative				98.5

Colony morphology

@ref	Incubation period
18220	1-2 days
60761	2-3 days

Pigmentation

28962

Productionyes

Culture and growth conditions

Culture medium

@ref	Name	Growth	Medium link	Composition
18220	BACTO MARINE BROTH (DIFCO 2216) (DSMZ Medium 514)		Medium recipe at MediaDive	Name: BACTO MARINE BROTH (DIFCO 2216) (DSMZ Medium 514) Composition: NaCl 19.45 g/l MgCl2 5.9 g/l Bacto peptone 5.0 g/l Na2SO4 3.24 g/l CaCl2 1.8 g/l Yeast extract 1.0 g/l KCl 0.55 g/l NaHCO3 0.16 g/l Fe(III) citrate 0.1 g/l KBr 0.08 g/l SrCl2 0.034 g/l H3BO3 0.022 g/l Na2HPO4 0.008 g/l Na-silicate 0.004 g/l NaF 0.0024 g/l (NH4)NO3 0.0016 g/l Distilled water

Culture temp

@ref	Growth	Type	Temperature (°C)	Range
18220	positive	growth	20	psychrophilic
28962	positive	growth	04-45
28962	positive	optimum	24	psychrophilic
60761	positive	growth	20	psychrophilic

Culture pH

@ref	Ability	Type	PH	PH range
28962	positive	optimum	7.25
28962	positive	growth	5.5-9	alkaliphile

Physiology and metabolism

Oxygen tolerance

@ref	Oxygen tolerance	Confidence
28962	aerobe
60761	aerobe
125439	obligate aerobe	97.8

Spore formation

@ref	Spore formation	Confidence
125439		98.9
125438		92.177

Halophily

@ref	Salt	Growth	Tested relation	Concentration
28962	NaCl	positive	growth	01-07 %
28962	NaCl	positive	optimum	2.5 %

Observation

28962

Observationaggregates in clumps

Metabolite utilization

@ref	Chebi-ID	Metabolite	Utilization activity	Kind of utilization tested
68369	29016 ChEBI	arginine	-	hydrolysis	from API 20NE
68369	17634 ChEBI	D-glucose	-	fermentation	from API 20NE
68369	16899 ChEBI	D-mannitol	+	assimilation	from API 20NE
68369	16024 ChEBI	D-mannose	+	assimilation	from API 20NE
28962	4853 ChEBI	esculin	+	hydrolysis
68369	5291 ChEBI	gelatin	-	hydrolysis	from API 20NE
68369	30849 ChEBI	L-arabinose	-	assimilation	from API 20NE
68369	25115 ChEBI	malate	+	assimilation	from API 20NE
68369	59640 ChEBI	N-acetylglucosamine	+	assimilation	from API 20NE
68369	17632 ChEBI	nitrate	-	reduction	from API 20NE
68369	27897 ChEBI	tryptophan	-	energy source	from API 20NE
28962	53426 ChEBI	tween 80	+	carbon source
68369	16199 ChEBI	urea	-	hydrolysis	from API 20NE

Metabolite production

@ref	Chebi-ID	Metabolite	Production
68369	35581 ChEBI	indole		from API 20NE

Metabolite tests

@ref	Chebi-ID	Metabolite	Indole test
68369	35581 ChEBI	indole	-	from API 20NE

Enzymes

@ref	Value	Activity	Ec
28962	acid phosphatase	+	3.1.3.2
68382	acid phosphatase	+	3.1.3.2	from API zym
28962	alkaline phosphatase	+	3.1.3.1
68382	alkaline phosphatase	+	3.1.3.1	from API zym
68382	alpha-chymotrypsin	-	3.4.21.1	from API zym
68382	alpha-fucosidase	-	3.2.1.51	from API zym
28962	alpha-galactosidase	+	3.2.1.22
68382	alpha-galactosidase	-	3.2.1.22	from API zym
68382	alpha-glucosidase	-	3.2.1.20	from API zym
68382	alpha-mannosidase	-	3.2.1.24	from API zym
68369	arginine dihydrolase	-	3.5.3.6	from API 20NE
68382	beta-galactosidase	-	3.2.1.23	from API zym
68382	beta-glucosidase	-	3.2.1.21	from API zym
68382	beta-glucuronidase	-	3.2.1.31	from API zym
18220	catalase	+	1.11.1.6
28962	catalase	+	1.11.1.6
68382	cystine arylamidase	-	3.4.11.3	from API zym
28962	cytochrome oxidase	+	1.9.3.1
68369	cytochrome oxidase	+	1.9.3.1	from API 20NE
18220	cytochrome-c oxidase	+	1.9.3.1
68382	esterase (C 4)	+		from API zym
68382	esterase lipase (C 8)	+		from API zym
68369	gelatinase	-		from API 20NE
68382	leucine arylamidase	+	3.4.11.1	from API zym
68382	N-acetyl-beta-glucosaminidase	-	3.2.1.52	from API zym
68382	naphthol-AS-BI-phosphohydrolase	-		from API zym
68382	trypsin	-	3.4.21.4	from API zym
68369	urease	-	3.5.1.5	from API 20NE

API zym

@ref	Control	Alkaline phosphatase	Esterase (C 4)	2-naphtyl caprylateEsterase Lipase (C 8)	Lipase (C 14)	L-leucyl-2-naphthylamideLeucine arylamidase	L-valyl-2-naphthylamideValine arylamidase	L-cystyl-2-naphthylamideCystine arylamidase	Trypsin	alpha- Chymotrypsin	Acid phosphatase	Naphthol-AS-BI-phosphateNaphthol-AS-BI-phosphohydrolase	alpha- Galactosidase	beta- Galactosidase	beta- Glucuronidase	alpha- Glucosidase	beta- Glucosidase	N-acetyl-beta- glucosaminidase	alpha- Mannosidase	alpha- Fucosidase
18220	-	+	+	+	+/-	+	+/-	-	-	-	+	-	-	-	-	-	-	-	-	-

API 20NE

@ref	Reduction of nitratesNO3	TRP	GLU_ Ferm	ADH (Arg)	URE	ESC	GEL	PNPG	GLU_ Assim	ARA	MNE	MAN	NAG	MAL	GNT	CAP	ADI	MLT	CIT	PAC	OX
18220	-	-	-	-	-	+/-	-	+	+/-	-	+	+	+	-	-	-	-	+	-	-	+
18220	-	-	-	-	-	+	-	+	+	-	+	+	+	+	+/-	+/-	+/-	+	+	+	not determinedn.d.

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2	Cat3
#Engineered	#Industrial	#Engineered product
#Environmental	#Aquatic	#Marine
#Environmental	#Biofilm	-

Isolation

@ref	Sample type	Sampling date	Geographic location	Country	Country ISO 3 Code	Continent
18220	marine biofilm on stainless steel electrode		Genova, the harbour	Italy	ITA	Europe
60761	Marine biofilm on stainless steel electrode	2004-10-01	Genoa,the harbour	Italy	ITA	Europe

Taxonmaps

69479

Global distribution of 16S sequence AM904562 (>99% sequence identity) for Phaeobacter italicus subclade from Microbeatlas

Aquatic Samples	4424
Soil Samples	180
Animal Samples	877
Plant Samples	37
Total Samples	5518

Interaction and safety

Risk assessment

@ref	Biosafety level	Biosafety level comment
18220	1	Risk group (German classification) According to TRBA 466

Sequence information

Genome sequences

@ref	Description	Assembly level	INSDC accession	BV-BRC accession	IMG accession	NCBI tax ID	Score
66792	IMG-taxon 2622736589 annotated assembly for Phaeobacter italicus DSM 26436	scaffold	GCA_900113345	481446.6	2622736589	481446	70.57

16S sequences

@ref	Description	Accession	Length	Database	NCBI tax ID
18220	Nautella italica partial 16S rRNA gene, type strain LMG 24365T	AM904562	1426		481446
124043	Phaeobacter italicus strain LMG 24365 16S ribosomal RNA gene, partial sequence.	OP740545	1154		481446

GC content

@ref	GC-content (mol%)
18220	61.0
28962	61

Genome-based predictions

Predictions

Predictions from Deep Learning for Genome Sequence Data. R package version 0.3.1 based on: Phaeobacter italicus DSM 26436
NCBI: GCA_900113345

@ref	Trait	Model	Prediction	Confidence in %	In training data
125439	spore_formation	BacteriaNetⓘ	no	98.90	no
125439	motility	BacteriaNetⓘ	yes	80.90	no
125439	gram_stain	BacteriaNetⓘ	negative	99.00	no
125439	oxygen_tolerance	BacteriaNetⓘ	obligate aerobe	97.80	no

Predictions from bacterial phenotypic traits through improved machine learning using high-quality, curated datasets based on: Phaeobacter italicus DSM 26436
NCBI: GCA_900113345.1

@ref	Trait	Model	Prediction	Confidence in %	In training data
125438	gram-positive	gram-positiveⓘ	no	98.50	no
125438	anaerobic	anaerobicⓘ	no	94.42	yes
125438	aerobic	aerobicⓘ	yes	85.90	yes
125438	spore-forming	spore-formingⓘ	no	92.18	no
125438	thermophilic	thermophileⓘ	no	97.45	yes
125438	flagellated	motile2+ⓘ	yes	70.71	no

Literature

Topic	Title	Authors	Journal	DOI	Year
Phylogeny	Draft genomes of Nautella italica strains CECT 7645(T) and CECT 7321: Two roseobacters with potential pathogenic and biotechnological traits.	Rodrigo-Torres L, Pujalte MJ, Arahal DR	Mar Genomics	10.1016/j.margen.2016.01.001	2016
Phylogeny	Nautella italica gen. nov., sp. nov., isolated from a marine electroactive biofilm.	Vandecandelaere I, Nercessian O, Segaert E, Achouak W, Mollica A, Faimali M, Vandamme P	Int J Syst Evol Microbiol	10.1099/ijs.0.002683-0	2009

References

#18220	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 26436
#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 )
#25399	IJSEM 811 2009 ( DOI 10.1099/ijs.0.002683-0 , PubMed 19329612 )
#28962	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 #25399
#60761	Culture Collection University of Gothenburg (CCUG) ; Curators of the CCUG; CCUG 55857
#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) .
#68369	Automatically annotated from API 20NE .
#68382	Automatically annotated from API zym .
#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 .
#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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Phaeobacter italicus (DSM 26436, CCUG 55857, LMG 24365)

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

Metabolite production

Metabolite tests

Enzymes

API zym

API 20NE

Isolation, sampling and environmental information

Isolation source categories

Isolation

Taxonmaps

Interaction and safety

Risk assessment

Sequence information

Genome sequences

Genome browser: GCA_900113345

16S sequences

GC content

Genome-based predictions

Predictions

Literature

Literature

References

BacDive

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