Name: Christensenella hongkongensis HKU 16
Creator: BacDive
License: http://creativecommons.org/licenses/by-nc/4.0/

Strain identifier

BacDive ID: 24768

Type strain:

Species: Christensenella hongkongensis

Strain Designation: HKU 16, HKU16

Culture col. no.: DSM 18959, CCUG 54229, JCM 17853, KCTC 15500

Strain history: S. K. P. Lau HKU16.

NCBI tax ID(s): 270498 (species)

SI-ID 303645

CCUG 54229, JCM 17853, DSM 18959

Section

Christensenella hongkongensis HKU 16 is an anaerobe, mesophilic, Gram-positive bacterium that was isolated from patient with intestinal obstruction and secondary sepsis.

Gram-positive
anaerobe
mesophilic
16S sequence
Bacteria
genome sequence

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

	Last LPSN update	14-12-2023 (DD-MM-YYYY)
	Domain	"Bacteria"
	Phylum	*Bacillota*
	Class	*Clostridia*
	Order	*Eubacteriales*
	Family	*Christensenellaceae*
	Genus	*Christensenella*
	Species	**Christensenella hongkongensis**
	Full Scientific Name (LPSN)	Christensenella hongkongensis (Lau et al. 2014) Liu et al. 2021

Synonym

"Catabacter hongkongensis"

Information on morphological and physiological properties Morphology

[Ref.: #69480]	Gram stain	positive Confidence in %99.415

[Ref.: #19060]	Incubation period	2-3 days

[Ref.: #60112]	Incubation period	3 days

Information on culture and growth conditions Culture and growth conditions

[Ref.: #19060]

Culture medium

CHOPPED MEAT MEDIUM WITH CARBOHYDRATES (DSMZ Medium 110)

[Ref.: #19060]

Culture medium growth

[Ref.: #19060]

Culture medium link

Medium recipe at MediaDive

[Ref.: #19060]

Culture medium composition

expand / minimize

		Temperature
[Ref.: #19060]	growth	37 °C
[Ref.: #60112]	growth	37 °C
[Ref.: #67770]	growth	37 °C

[Ref.: #19060]	Temperature range	mesophilic
[Ref.: #60112]	Temperature range	mesophilic
[Ref.: #67770]	Temperature range	mesophilic

Information on physiology and metabolism Physiology and metabolism

[Ref.: #19060]	Oxygen tolerance	anaerobe
[Ref.: #60112]	Oxygen tolerance	anaerobe
[Ref.: #69480]	Oxygen tolerance	anaerobe Confidence in %99.998

[Ref.: #69480]

Ability of spore formation

no Confidence in %99.984

	Metabolite	Utilization activity	Kind of utilization tested
[Ref.: #68380]	arginine ChEBI	-	hydrolysis	* from API rID32A
[Ref.: #68380]	D-mannose ChEBI	-	fermentation	* from API rID32A
[Ref.: #68380]	L-glutamate ChEBI	+	degradation	* from API rID32A
[Ref.: #68380]	nitrate ChEBI	-	reduction	* from API rID32A
[Ref.: #68380]	raffinose ChEBI	-	fermentation	* from API rID32A
[Ref.: #68380]	tryptophan ChEBI	-	energy source	* from API rID32A
[Ref.: #68380]	urea ChEBI	-	hydrolysis	* from API rID32A

	Metabolite production	Metabolite	Production
[Ref.: #68380]		indole ChEBI	no	* from API rID32A

	Physiological tests	Metabolite	Indole test
[Ref.: #68380]		indole ChEBI	-	* from API rID32A

	Enzyme	Enzyme activity	EC number
[Ref.: #68380]	alanine arylamidase	-	3.4.11.2	* from API rID32A
[Ref.: #68380]	alkaline phosphatase	-	3.1.3.1	* from API rID32A
[Ref.: #68380]	alpha-arabinosidase	-	3.2.1.55	* from API rID32A
[Ref.: #68380]	alpha-fucosidase	-	3.2.1.51	* from API rID32A
[Ref.: #68380]	alpha-galactosidase	-	3.2.1.22	* from API rID32A
[Ref.: #68380]	alpha-glucosidase	-	3.2.1.20	* from API rID32A
[Ref.: #68380]	arginine dihydrolase	-	3.5.3.6	* from API rID32A
[Ref.: #68380]	beta-galactosidase	-	3.2.1.23	* from API rID32A
[Ref.: #68380]	beta-Galactosidase 6-phosphate	-		* from API rID32A
[Ref.: #68380]	beta-glucosidase	-	3.2.1.21	* from API rID32A
[Ref.: #68380]	beta-glucuronidase	-	3.2.1.31	* from API rID32A
[Ref.: #68380]	glutamate decarboxylase	+	4.1.1.15	* from API rID32A
[Ref.: #68380]	glutamyl-glutamate arylamidase	-		* from API rID32A
[Ref.: #68380]	glycin arylamidase	-		* from API rID32A
[Ref.: #68380]	histidine arylamidase	-		* from API rID32A
[Ref.: #68380]	L-arginine arylamidase	-		* from API rID32A
[Ref.: #68380]	leucine arylamidase	-	3.4.11.1	* from API rID32A
[Ref.: #68380]	leucyl glycin arylamidase	-	3.4.11.1	* from API rID32A
[Ref.: #68380]	N-acetyl-beta-glucosaminidase	-	3.2.1.52	* from API rID32A
[Ref.: #68380]	phenylalanine arylamidase	-		* from API rID32A
[Ref.: #68380]	proline-arylamidase	-	3.4.11.5	* from API rID32A
[Ref.: #68380]	pyrrolidonyl arylamidase	-	3.4.19.3	* from API rID32A
[Ref.: #68380]	serine arylamidase	-		* from API rID32A
[Ref.: #68380]	tryptophan deaminase	-	4.1.99.1	* from API rID32A
[Ref.: #68380]	tyrosine arylamidase	-		* from API rID32A
[Ref.: #68380]	urease	-	3.5.1.5	* from API rID32A
	Only first 10 entries are displayed. Click here to see all.

API® rID32A:

Note that the displayed test results represent raw data and therefore may deviate!

	API ID	Urease/urea hydrolysisURE	Arginine dihydrolaseADH (Arg)	alpha-Galactosidasealpha GAL	beta-Galactosidasebeta GAL	beta-Galactosidase 6-phosphatebeta GP	alpha-Glucosidasealpha GLU	beta-Glucosidasebeta GLU	alpha-Arabinosidasealpha ARA	beta-Glucuronidasebeta GUR	beta-N-Acetyl-beta-glucosaminidasebeta NAG	Fermentation of D-mannoseMNE	Fermentation of raffinoseRAF	Glutamate decarboxylaseGDC	alpha-Fucosidasealpha FUC	Reduction of nitrateNIT	Indole productionIND	Alkaline phosphatasePAL	L-arginine arylamidaseArgA	Proline arylamidaseProA	Leucyl glycin arylamidaseLGA	Phenylalanine arylamidasePheA	Leucine arylamidaseLeuA	Pyrrolidonyl arylamidasePyrA	Tyrosine arylamidaseTyrA	Alanine arylamidaseAlaA	Glycin arylamidaseGlyA	Histidine arylamidaseHisA	Glutamyl-glutamate arylamidaseGGA	Serine arylamidaseSerA
[Ref.: #19060]	12261	-	-	-	-	-	-	-	-	-	-	-	-	+	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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

[Ref.: #19060]	Sample type/isolated from	patient with intestinal obstruction and secondary sepsis
[Ref.: #19060]	Country	China
[Ref.: #19060]	Country ISO 3 Code	CHN
[Ref.: #19060]	Continent	Asia

[Ref.: #60112]	Sample type/isolated from	Human blood,48-yr-old man,intestinal obstruction
[Ref.: #60112]	Geographic location (country and/or sea, region)	Hongkong
[Ref.: #60112]	Country	China
[Ref.: #60112]	Country ISO 3 Code	CHN
[Ref.: #60112]	Continent	Asia

[Ref.: #67770]	Sample type/isolated from	Blood cultures of patients with acute gastrointestinal compromises or with acute sepsis
* marker position based on {}

Isolation sources categories

#Infection	#Disease	-
#Infection	#Patient	-
#Host Body-Site	#Gastrointestinal tract	-

What are isolation sources categories?

[Ref.: #69479]

Global distribution of 16S sequence AY574991 (>99% sequence identity) for Catabacter hongkongensis subclade from Microbeatlas

Aquatic Samples	1000
Soil Samples	376
Animal Samples	41354
Plant Samples	204
Total Samples	42934

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.: #19060]	Catabacter hongkongensis 16S ribosomal RNA gene, partial sequence	AY574991	1453	ENA	270498 tax ID
[Ref.: #67770]	Catabacter hongkongensis gene for 16S ribosomal RNA, partial sequence, strain: JCM 17853	AB671763	1497	ENA	270498 tax ID

Genome sequence information:

	Sequence accession description	Seq. accession number	Assembly level	Sequence database	Associated NCBI tax ID
[Ref.: #67770]	Christensenella hongkongensis HKU16	GCA_000981035	contig	GenBank	270498 tax ID
[Ref.: #66792]	Christensenella hongkongensis DSM 18959	GCA_004342745	scaffold	GenBank	270498 tax ID	*
[Ref.: #66792]	Catabacter hongkongensis strain DSM 18959	270498.28	wgs	PATRIC	270498 tax ID	*
[Ref.: #66792]	Catabacter honkongensis DSM 18959	2795385462	draft	JGI IMG/M	270498 tax ID	*

[Ref.: #19060]	GC-content	40.2 mol%	thermal denaturation, midpoint method (Tm)
[Ref.: #67770]	GC-content	48.53 mol%	genome sequence analysis

Data predicted using genome information as a basis Genome-based predictions

	Trait	Prediction	Confidence in %	In training data
	Predictions from GenomeNet Sporulation v. 1 based on: Christensenella hongkongensis DSM 18959 NCBI: GCA_004342745.1
[Ref.: #69481]	spore-forming	no	51	no

	Trait	Prediction	Confidence in %	In training data
	Predictions from Diaspora project based on: Christensenella hongkongensis DSM 18959 NCBI: GCA_004342745.1
[Ref.: #69480]	motile	yes	75.652	no
[Ref.: #69480]	flagellated	no	77.096	no
[Ref.: #69480]	gram-positive	yes	58.742	no
[Ref.: #69480]	anaerobic	yes	99.376	no
[Ref.: #69480]	aerobic	no	97.423	yes
[Ref.: #69480]	halophile	no	96.745	no
[Ref.: #69480]	spore-forming	no	71.294	no
[Ref.: #69480]	glucose-util	yes	90.451	no
[Ref.: #69480]	thermophile	no	76.688	yes
[Ref.: #69480]	glucose-ferment	yes	62.231	no

Availability in culture collections External links

[Ref.: #19060]

Culture collection no.

DSM 18959, CCUG 54229, JCM 17853, KCTC 15500

[Ref.: #88594]

SI-ID 303645

Literature:

Topic	Title	Authors	Journal	DOI	Year
Phylogeny	Caldicoprobacter oshimai gen. nov., sp. nov., an anaerobic, xylanolytic, extremely thermophilic bacterium isolated from sheep faeces, and proposal of Caldicoprobacteraceae fam. nov.	Yokoyama H, Wagner ID, Wiegel J	Int J Syst Evol Microbiol	10.1099/ijs.0.011379-0	2009	*
Phylogeny	Catabacter hongkongensis gen. nov., sp. nov., isolated from blood cultures of patients from Hong Kong and Canada.	Lau SK, McNabb A, Woo GK, Hoang L, Fung AM, Chung LM, Woo PC, Yuen KY	J Clin Microbiol	10.1128/JCM.01831-06	2006	*
Genetics	Draft Genome Sequence of Catabacter hongkongensis Type Strain HKU16T, Isolated from a Patient with Bacteremia and Intestinal Obstruction.	Lau SK, Teng JL, Huang Y, Curreem SO, Tsui SK, Woo PC	Genome Announc	10.1128/genomeA.00531-15	2015	*
	First case of human bacteraemia by Catabacter hongkongensis in Scandinavia.	Kaden R, Thelander M, Engstrand L, Herrmann B	New Microbes New Infect	10.1016/j.nmni.2016.09.015	2016	*

References

#19060

Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 18959

#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 )

#60112 Culture Collection University of Gothenburg (CCUG) ; Curators of the CCUG; CCUG 54229

#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) .

#67770 Japan Collection of Microorganism (JCM) ; Curators of the JCM;

#68380

Automatically annotated from API rID32A .

#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 .

#69480

Julia Koblitz, Joaquim Sardà, Lorenz Christian Reimer, Boyke Bunk, Jörg Overmann: Predictions based on genome sequence made in the Diaspora project (Digital Approaches for the Synthesis of Poorly Accessible Biodiversity Information) .

#69481

Xiao-Yin To, René Mreches, Martin Binder, Alice C. McHardy, Philipp C. Münch: Predictions based on the model GenomeNet Sporulation v. 1 . ( DOI 10.21203/rs.3.rs-2527258/v1 )

#88594

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-ID303645.1 )

* These data were automatically processed and therefore are not curated

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Christensenella hongkongensis DSM 18959

Christensenella hongkongensis DSM 18959

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