Haloquadratum walsbyi (DSM 16790, HBSQ001, JCM 12895)

Name: Haloquadratum walsbyi (DSM 16790, HBSQ001, JCM 12895)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 5879

Type strain

Strain Designation HBSQ001

Culture col. no. DSM 16790 HBSQ001 JCM 12895

NCBI tax ID(s) 362976 293091

Special Collections DSMZ JCM

History <- H. Bolhuis H. Bolhuis HBSQ001.

Links

Haloquadratum walsbyi HBSQ001 is an archaeon that was isolated from 39% total salinity crystallizer pond.

genome sequence Archaea

Name and taxonomic classification

SI-ID 294527

DSM 16790,JCM 12895

@ref 20215

Last LPSN update 2026-02-09 11:19:04

Domain Archaea

Phylum Methanobacteriota

Class Halobacteria

Order Halobacteriales

Family Haloferacaceae

Genus Haloquadratum

Species Haloquadratum walsbyi

Full scientific name Haloquadratum walsbyi Burns et al. 2007

BacDive ID	Other strains from **Haloquadratum walsbyi** (2)	Type strain
5880	H. walsbyi C23, DSM 16854, JCM 12705 (type strain)
161605	H. walsbyi JCM 15557

Morphology

Culture and growth conditions

Culture medium

@ref	Name	Growth	Medium link	Composition
6603	HALOQUADRATUM WALSBYI MEDIUM (DSMZ Medium 1091)		Medium recipe at MediaDive	Name: HALOQUADRATUM WALSBYI MEDIUM (DSMZ Medium 1091) Composition: NaCl 195.0 g/l MgSO4 x 7 H2O 50.0 g/l MgCl2 x 6 H2O 35.0 g/l KCl 5.0 g/l Tris buffer 2.4228 g/l Sodium pyruvate 1.0 g/l NaNO3 1.0 g/l CaCl2 x 2 H2O 0.5 g/l NaHCO3 0.25 g/l KH2PO4 0.05 g/l Yeast extract 0.05 g/l NH4Cl 0.03 g/l Distilled water

Culture temp

@ref	Growth	Type	Temperature (°C)
6603	positive	growth	37
67770	positive	growth	37

Physiology and metabolism

Oxygen tolerance

@ref	Oxygen tolerance	Confidence
125439	obligate aerobe	98.8

Pathway annotation

Computationally determined by

@ref	pathway	enzyme coverage	annotated reactions
66794	UDP-GlcNAc biosynthesis	100	3 of 3
66794	adipate degradation	100	2 of 2
66794	formaldehyde oxidation	100	3 of 3
66794	coenzyme A metabolism	100	4 of 4
66794	methylglyoxal degradation	100	5 of 5
66794	folate polyglutamylation	100	1 of 1
66794	suberin monomers biosynthesis	100	2 of 2
66794	anapleurotic synthesis of oxalacetate	100	1 of 1
66794	chorismate metabolism	88.89	8 of 9
66794	CO2 fixation in Crenarchaeota	88.89	8 of 9
66794	molybdenum cofactor biosynthesis	88.89	8 of 9
66794	isoleucine metabolism	87.5	7 of 8
66794	flavin biosynthesis	86.67	13 of 15
66794	reductive acetyl coenzyme A pathway	85.71	6 of 7
66794	phenylalanine metabolism	84.62	11 of 13
66794	Entner Doudoroff pathway	80	8 of 10
66794	glycogen metabolism	80	4 of 5
66794	starch degradation	80	8 of 10
66794	factor 420 biosynthesis	80	4 of 5
66794	vitamin K metabolism	80	4 of 5
66794	propionate fermentation	80	8 of 10
66794	aspartate and asparagine metabolism	77.78	7 of 9
66794	pyrimidine metabolism	77.78	35 of 45
66794	valine metabolism	77.78	7 of 9
66794	palmitate biosynthesis	77.27	17 of 22
66794	vitamin B1 metabolism	76.92	10 of 13
66794	purine metabolism	76.6	72 of 94
66794	gluconeogenesis	75	6 of 8
66794	glycogen biosynthesis	75	3 of 4
66794	C4 and CAM-carbon fixation	75	6 of 8
66794	ketogluconate metabolism	75	6 of 8
66794	acetate fermentation	75	3 of 4
66794	NAD metabolism	72.22	13 of 18
66794	photosynthesis	71.43	10 of 14
66794	propanol degradation	71.43	5 of 7
66794	citric acid cycle	71.43	10 of 14
66794	glutathione metabolism	71.43	10 of 14
66794	cardiolipin biosynthesis	71.43	5 of 7
66794	vitamin B12 metabolism	70.59	24 of 34
66794	threonine metabolism	70	7 of 10
66794	glutamate and glutamine metabolism	67.86	19 of 28
66794	serine metabolism	66.67	6 of 9
66794	acetoin degradation	66.67	2 of 3
66794	nitrate assimilation	66.67	6 of 9
66794	arginine metabolism	66.67	16 of 24
66794	L-lactaldehyde degradation	66.67	2 of 3
66794	glycolate and glyoxylate degradation	66.67	4 of 6
66794	enterobactin biosynthesis	66.67	2 of 3
66794	octane oxidation	66.67	2 of 3
66794	cyanate degradation	66.67	2 of 3
66794	alanine metabolism	65.52	19 of 29
66794	glycolysis	64.71	11 of 17
66794	heme metabolism	64.29	9 of 14
66794	6-hydroxymethyl-dihydropterin diphosphate biosynthesis	62.5	5 of 8
66794	lipid metabolism	61.29	19 of 31
66794	non-pathway related	60.53	23 of 38
66794	oxidative phosphorylation	60.44	55 of 91
66794	3-chlorocatechol degradation	60	3 of 5
66794	hydrogen production	60	3 of 5
66794	phenylacetate degradation (aerobic)	60	3 of 5
66794	carotenoid biosynthesis	59.09	13 of 22
66794	histidine metabolism	58.62	17 of 29
66794	ubiquinone biosynthesis	57.14	4 of 7
66794	tetrahydrofolate metabolism	57.14	8 of 14
66794	d-mannose degradation	55.56	5 of 9
66794	proline metabolism	54.55	6 of 11
66794	pentose phosphate pathway	54.55	6 of 11
66794	leucine metabolism	53.85	7 of 13
66794	sulfate reduction	53.85	7 of 13
66794	tryptophan metabolism	52.63	20 of 38
66794	cis-vaccenate biosynthesis	50	1 of 2
66794	ethanol fermentation	50	1 of 2
66794	degradation of sugar alcohols	50	8 of 16
66794	CDP-diacylglycerol biosynthesis	50	1 of 2
66794	pantothenate biosynthesis	50	3 of 6
66794	aminopropanol phosphate biosynthesis	50	1 of 2
66794	glycine metabolism	50	5 of 10
66794	phenylmercury acetate degradation	50	1 of 2
66794	degradation of aromatic, nitrogen containing compounds	50	6 of 12
66794	degradation of sugar acids	48	12 of 25
66794	lysine metabolism	47.62	20 of 42
66794	phosphatidylethanolamine bioynthesis	46.15	6 of 13
66794	urea cycle	46.15	6 of 13
66794	methionine metabolism	46.15	12 of 26
66794	cysteine metabolism	44.44	8 of 18
66794	arachidonic acid metabolism	44.44	8 of 18
66794	mevalonate metabolism	42.86	3 of 7
66794	creatinine degradation	40	2 of 5
66794	ethylmalonyl-CoA pathway	40	2 of 5
66794	metabolism of amino sugars and derivatives	40	2 of 5
66794	coenzyme M biosynthesis	40	4 of 10
66794	4-hydroxyphenylacetate degradation	40	4 of 10
66794	gallate degradation	40	2 of 5
66794	androgen and estrogen metabolism	37.5	6 of 16
66794	d-xylose degradation	36.36	4 of 11
66794	ascorbate metabolism	36.36	8 of 22
66794	dolichyl-diphosphooligosaccharide biosynthesis	36.36	4 of 11
66794	vitamin B6 metabolism	36.36	4 of 11
66794	tyrosine metabolism	35.71	5 of 14
66794	degradation of pentoses	35.71	10 of 28
66794	polyamine pathway	34.78	8 of 23
66794	isoprenoid biosynthesis	34.62	9 of 26
66794	IAA biosynthesis	33.33	1 of 3
66794	acetyl CoA biosynthesis	33.33	1 of 3
66794	methanogenesis from CO2	33.33	4 of 12
66794	lipid A biosynthesis	33.33	3 of 9
66794	selenocysteine biosynthesis	33.33	2 of 6
66794	aclacinomycin biosynthesis	28.57	2 of 7
66794	cholesterol biosynthesis	27.27	3 of 11
66794	cyclohexanol degradation	25	1 of 4
66794	lactate fermentation	25	1 of 4
66794	biotin biosynthesis	25	1 of 4
66794	ppGpp biosynthesis	25	1 of 4
66794	vitamin E metabolism	25	1 of 4
66794	toluene degradation	25	1 of 4
66794	phenol degradation	25	5 of 20
66794	dTDPLrhamnose biosynthesis	25	2 of 8
66794	CMP-KDO biosynthesis	25	1 of 4
66794	sulfopterin metabolism	25	1 of 4
66794	butanoate fermentation	25	1 of 4
66794	4-hydroxymandelate degradation	22.22	2 of 9
66794	degradation of hexoses	22.22	4 of 18

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2	Cat3
#Environmental	#Aquatic	#Pond (small)
#Condition	#Saline	-

Isolation

@ref	Sample type	Geographic location	Country	Country ISO 3 Code	Continent
6603	39% total salinity crystallizer pond	Brac del Port, Alicante	Spain	ESP	Europe
67770	Salt-saturated crystallizer ponds of a solar saltern in Brac del Port	Alicante	Spain	ESP	Europe

Taxonmaps

69479

Global distribution of 16S sequence AM180088 (>99% sequence identity) for Haloquadratum walsbyi subclade from Microbeatlas

Aquatic Samples	167
Soil Samples	16
Animal Samples	12
Plant Samples	4
Total Samples	199

Interaction and safety

Risk assessment

@ref	Biosafety level	Biosafety level comment
6603	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	ASM918v1 assembly for Haloquadratum walsbyi DSM 16790 DSM 16790 = HBSQ001	complete	GCA_000009185	362976.22	637000129	362976	98.15

GC content

@ref	GC-content (mol%)	Method
67770	46.9	high performance liquid chromatography (HPLC)

Genome-based predictions

Predictions

Predictions from Deep Learning for Genome Sequence Data. R package version 0.3.1 based on: Haloquadratum walsbyi HBSQ001, DSM 16790
IMG: 637000129

@ref	Trait	Model	Prediction	Confidence in %	In training data
125439	spore_formation	BacteriaNetⓘ	no	81.30	no
125439	motility	BacteriaNetⓘ	no	65.70	no
125439	gram_stain	BacteriaNetⓘ	negative	74.80	no
125439	oxygen_tolerance	BacteriaNetⓘ	obligate aerobe	98.80	no

Predictions from bacterial phenotypic traits through improved machine learning using high-quality, curated datasets based on: Haloquadratum walsbyi DSM 16790 DSM 16790 = HBSQ001
NCBI: GCA_000009185.1

@ref	Trait	Model	Prediction	Confidence in %	In training data
125438	gram-positive	gram-positiveⓘ	no	75.20	no
125438	anaerobic	anaerobicⓘ	no	72.04	no
125438	aerobic	aerobicⓘ	yes	71.97	no
125438	spore-forming	spore-formingⓘ	no	87.39	no
125438	thermophilic	thermophileⓘ	no	81.31	no
125438	flagellated	motile2+ⓘ	no	85.00	no

Literature

Topic	Title	Authors	Journal	DOI	Year
Genetics	Global dominance of Haloquadratum walsbyi by a single genomovar with distinct gene content and viral cohorts from close relatives.	Bustos-Caparros E, Viver T, Gago JF, Avontuur JR, Amiour S, Baxter BK, Llames ME, Mutlu MB, Oren A, Ramirez AS, Stott MB, Venter SN, Santos F, Anton J, Rodriguez-R LM, Bosch R, Hedlund BP, Konstantinidis KT, Rossello-Mora R.	ISME J	10.1093/ismejo/wraf165	2025
	Hypersaline Lake Urmia: a potential hotspot for microbial genomic variation.	Kheiri R, Mehrshad M, Pourbabaee AA, Ventosa A, Amoozegar MA.	Sci Rep	10.1038/s41598-023-27429-2	2023
	Novel viruses of Haloquadratum walsbyi expand the known archaeal virosphere of hypersaline environments.	Villamor J, Ramos-Barbero MD, Moreno-Paz M, Villena-Alemany C, Martinez-Garcia M, Parro V, Anton J, Santos F.	ISME J	10.1093/ismejo/wraf149	2025
	A Proposal of the Ur-RNAome.	Palacios-Perez M, Jose MV.	Genes (Basel)	10.3390/genes14122158	2023
Metabolism	Conditional Alternative Protein Splicing Promoted by Inteins from Haloquadratum walsbyi.	Yalala VR, Lynch AK, Mills KV.	Biochemistry	10.1021/acs.biochem.1c00788	2022
Genetics	Determining virus-host interactions and glycerol metabolism profiles in geographically diverse solar salterns with metagenomics.	Moller AG, Liang C.	PeerJ	10.7717/peerj.2844	2017
	Analysis of haloarchaeal twin-arginine translocase pathway reveals the diversity of the machineries.	Ghosh D, Boral D, Vankudoth KR, Ramasamy S.	Heliyon	10.1016/j.heliyon.2019.e01587	2019
	Cloning and Molecular Characterization of an Alpha-Glucosidase (MalH) from the Halophilic Archaeon Haloquadratum walsbyi.	Cuebas-Irizarry MF, Irizarry-Caro RA, Lopez-Morales C, Badillo-Rivera KM, Rodriguez-Minguela CM, Montalvo-Rodriguez R.	Life (Basel)	10.3390/life7040046	2017
	Assessment of the plasmidome of an extremophilic microbial community from the Diamante Lake, Argentina.	Perez MF, Saona LA, Farias ME, Poehlein A, Meinhardt F, Daniel R, Dib JR.	Sci Rep	10.1038/s41598-021-00753-1	2021
	Characterizing the DNA Methyltransferases of Haloferax volcanii via Bioinformatics, Gene Deletion, and SMRT Sequencing.	Ouellette M, Gogarten JP, Lajoie J, Makkay AM, Papke RT.	Genes (Basel)	10.3390/genes9030129	2018
	Draft Genome Sequence of the Polyextremophilic Halorubrum sp. Strain AJ67, Isolated from Hyperarsenic Lakes in the Argentinian Puna.	Burguener GF, Maldonado MJ, Revale S, Fernandez Do Porto D, Rascovan N, Vazquez M, Farias ME, Marti MA, Turjanski AG.	Genome Announc	10.1128/genomea.01096-13	2014
Phylogeny	From community approaches to single-cell genomics: the discovery of ubiquitous hyperhalophilic Bacteroidetes generalists.	Gomariz M, Martinez-Garcia M, Santos F, Rodriguez F, Capella-Gutierrez S, Gabaldon T, Rossello-Mora R, Meseguer I, Anton J.	ISME J	10.1038/ismej.2014.95	2015
	Structure-based insights into evolution of rhodopsins.	Zabelskii D, Dmitrieva N, Volkov O, Shevchenko V, Kovalev K, Balandin T, Soloviov D, Astashkin R, Zinovev E, Alekseev A, Round E, Polovinkin V, Chizhov I, Rogachev A, Okhrimenko I, Borshchevskiy V, Chupin V, Buldt G, Yutin N, Bamberg E, Koonin E, Gordeliy V.	Commun Biol	10.1038/s42003-021-02326-4	2021
Phylogeny	Assembly-driven community genomics of a hypersaline microbial ecosystem.	Podell S, Ugalde JA, Narasingarao P, Banfield JF, Heidelberg KB, Allen EE.	PLoS One	10.1371/journal.pone.0061692	2013
Genetics	Bipyrimidine Signatures as a Photoprotective Genome Strategy in G + C-rich Halophilic Archaea.	Jones DL, Baxter BK.	Life (Basel)	10.3390/life6030037	2016
Transcriptome	Sequencing of seven haloarchaeal genomes reveals patterns of genomic flux.	Lynch EA, Langille MG, Darling A, Wilbanks EG, Haltiner C, Shao KS, Starr MO, Teiling C, Harkins TT, Edwards RA, Eisen JA, Facciotti MT.	PLoS One	10.1371/journal.pone.0041389	2012
Genetics	Genome sequence of carboxylesterase, carboxylase and xylose isomerase producing alkaliphilic haloarchaeon Haloterrigena turkmenica WANU15.	Selim S, Hagagy N.	Genom Data	10.1016/j.gdata.2015.11.031	2016
Genetics	Draft Genome Sequence of an Extreme Haloarchaeon 3A1-DGR Isolated from a Saltern Crystallizer of the Little Rann of Kutch, India.	Pal KK, Dey R, Thomas M, Ghorai S, Sherathia D, Vanpariya S, Rupapara R, Rawal P, Mandaliya M, Sukhadiya B, Saxena AK.	Indian J Microbiol	10.1007/s12088-014-0483-7	2014
Genetics	Metagenomic islands of hyperhalophiles: the case of Salinibacter ruber.	Pasic L, Rodriguez-Mueller B, Martin-Cuadrado AB, Mira A, Rohwer F, Rodriguez-Valera F.	BMC Genomics	10.1186/1471-2164-10-570	2009
Proteome	Marine-freshwater prokaryotic transitions require extensive changes in the predicted proteome.	Cabello-Yeves PJ, Rodriguez-Valera F.	Microbiome	10.1186/s40168-019-0731-5	2019
Stress	HtrAs are essential for the survival of the haloarchaeon Natrinema gari J7-2 in response to heat, high salinity, and toxic substances.	Luo H, Qu X, Deng X, He L, Wu Y, Liu Y, He D, Yin J, Wang B, Gan F, Tang B, Tang X-F.	Appl Environ Microbiol	10.1128/aem.02048-23	2024
	Four families of folate-independent methionine synthases.	Price MN, Deutschbauer AM, Arkin AP.	PLoS Genet	10.1371/journal.pgen.1009342	2021
Metabolism	Dihydroxyacetone metabolism in Haloferax volcanii.	Ouellette M, Makkay AM, Papke RT.	Front Microbiol	10.3389/fmicb.2013.00376	2013
Metabolism	Is there a common water-activity limit for the three domains of life?	Stevenson A, Cray JA, Williams JP, Santos R, Sahay R, Neuenkirchen N, McClure CD, Grant IR, Houghton JD, Quinn JP, Timson DJ, Patil SV, Singhal RS, Anton J, Dijksterhuis J, Hocking AD, Lievens B, Rangel DE, Voytek MA, Gunde-Cimerman N, Oren A, Timmis KN, McGenity TJ, Hallsworth JE.	ISME J	10.1038/ismej.2014.219	2015
	Halophiles and Their Biomolecules: Recent Advances and Future Applications in Biomedicine.	Corral P, Amoozegar MA, Ventosa A.	Mar Drugs	10.3390/md18010033	2019
	Comparative Analysis of Surface Layer Glycoproteins and Genes Involved in Protein Glycosylation in the Genus Haloferax.	Shalev Y, Soucy SM, Papke RT, Gogarten JP, Eichler J, Gophna U.	Genes (Basel)	10.3390/genes9030172	2018
Genetics	Evidence from phylogenetic and genome fingerprinting analyses suggests rapidly changing variation in Halorubrum and Haloarcula populations.	Ram Mohan N, Fullmer MS, Makkay AM, Wheeler R, Ventosa A, Naor A, Gogarten JP, Papke RT.	Front Microbiol	10.3389/fmicb.2014.00143	2014
Phylogeny	Whole-genome based Archaea phylogeny and taxonomy: A composition vector approach.	Sun J, Xu Z, Hao B.	Chin Sci Bull	10.1007/s11434-010-3008-8	2010
Metabolism	The TK0271 Protein Activates Transcription of Aromatic Amino Acid Biosynthesis Genes in the Hyperthermophilic Archaeon Thermococcus kodakarensis.	Yamamoto Y, Kanai T, Kaneseki T, Atomi H.	mBio	10.1128/mbio.01213-19	2019
	Phylogeny and Taxonomy of Archaea: A Comparison of the Whole-Genome-Based CVTree Approach with 16S rRNA Sequence Analysis.	Zuo G, Xu Z, Hao B.	Life (Basel)	10.3390/life5010949	2015
Metabolism	The core and unique proteins of haloarchaea.	Capes MD, DasSarma P, DasSarma S.	BMC Genomics	10.1186/1471-2164-13-39	2012
	Identification of polyhydroxyalkanoates in Halococcus and other haloarchaeal species.	Legat A, Gruber C, Zangger K, Wanner G, Stan-Lotter H.	Appl Microbiol Biotechnol	10.1007/s00253-010-2611-6	2010
	Evolution of rhodopsin ion pumps in haloarchaea.	Sharma AK, Walsh DA, Bapteste E, Rodriguez-Valera F, Ford Doolittle W, Papke RT.	BMC Evol Biol	10.1186/1471-2148-7-79	2007
Metabolism	Amino acid substitutions in cold-adapted proteins from Halorubrum lacusprofundi, an extremely halophilic microbe from antarctica.	DasSarma S, Capes MD, Karan R, DasSarma P.	PLoS One	10.1371/journal.pone.0058587	2013
Phylogeny	Quantifying homologous replacement of loci between haloarchaeal species.	Williams D, Gogarten JP, Papke RT.	Genome Biol Evol	10.1093/gbe/evs098	2012
Genetics	The genome of the square archaeon Haloquadratum walsbyi : life at the limits of water activity.	Bolhuis H, Palm P, Wende A, Falb M, Rampp M, Rodriguez-Valera F, Pfeiffer F, Oesterhelt D.	BMC Genomics	10.1186/1471-2164-7-169	2006
	Insertion sequence distribution bias in Archaea.	Florek MC, Gilbert DP, Plague GR.	Mob Genet Elements	10.4161/mge.27829	2014
	Algorithms of ancestral gene length reconstruction.	Bolshoy A, Kirzhner VM.	Biomed Res Int	10.1155/2013/472163	2013
Metabolism	Discovery of a SAR11 growth requirement for thiamin's pyrimidine precursor and its distribution in the Sargasso Sea.	Carini P, Campbell EO, Morre J, Sanudo-Wilhelmy SA, Thrash JC, Bennett SE, Temperton B, Begley T, Giovannoni SJ.	ISME J	10.1038/ismej.2014.61	2014
Genetics	Sequence evidence in the archaeal genomes that tRNAs emerged through the combination of ancestral genes as 5' and 3' tRNA halves.	Fujishima K, Sugahara J, Tomita M, Kanai A.	PLoS One	10.1371/journal.pone.0001622	2008
Enzymology	Wide distribution among halophilic archaea of a novel polyhydroxyalkanoate synthase subtype with homology to bacterial type III synthases.	Han J, Hou J, Liu H, Cai S, Feng B, Zhou J, Xiang H.	Appl Environ Microbiol	10.1128/aem.01117-10	2010
Metabolism	P2RP: a Web-based framework for the identification and analysis of regulatory proteins in prokaryotic genomes.	Barakat M, Ortet P, Whitworth DE.	BMC Genomics	10.1186/1471-2164-14-269	2013
Biotechnology	Synthesis, production, and biotechnological applications of exopolysaccharides and polyhydroxyalkanoates by archaea.	Poli A, Di Donato P, Abbamondi GR, Nicolaus B.	Archaea	10.1155/2011/693253	2011
Metabolism	Molecular characterization of the phaECHm genes, required for biosynthesis of poly(3-hydroxybutyrate) in the extremely halophilic archaeon Haloarcula marismortui.	Han J, Lu Q, Zhou L, Zhou J, Xiang H.	Appl Environ Microbiol	10.1128/aem.00953-07	2007
Metabolism	Ammonia oxidation coupled to CO2 fixation by archaea and bacteria in an agricultural soil.	Pratscher J, Dumont MG, Conrad R.	Proc Natl Acad Sci U S A	10.1073/pnas.1010981108	2011
Metabolism	Phylogenomic analysis of proteins that are distinctive of Archaea and its main subgroups and the origin of methanogenesis.	Gao B, Gupta RS.	BMC Genomics	10.1186/1471-2164-8-86	2007
Metabolism	Archaeosortases and exosortases are widely distributed systems linking membrane transit with posttranslational modification.	Haft DH, Payne SH, Selengut JD.	J Bacteriol	10.1128/jb.06026-11	2012
	Evolutionary strategies of viruses, bacteria and archaea in hydrothermal vent ecosystems revealed through metagenomics.	Anderson RE, Sogin ML, Baross JA.	PLoS One	10.1371/journal.pone.0109696	2014
Enzymology	In vitro characterization of a recombinant Blh protein from an uncultured marine bacterium as a beta-carotene 15,15'-dioxygenase.	Kim YS, Kim NH, Yeom SJ, Kim SW, Oh DK.	J Biol Chem	10.1074/jbc.m109.002618	2009
	The Microbial Degradation of Natural and Anthropogenic Phosphonates.	Ruffolo F, Dinhof T, Murray L, Zangelmi E, Chin JP, Pallitsch K, Peracchi A.	Molecules	10.3390/molecules28196863	2023
Phylogeny	The dispersed archaeal eukaryome and the complex archaeal ancestor of eukaryotes.	Koonin EV, Yutin N.	Cold Spring Harb Perspect Biol	10.1101/cshperspect.a016188	2014
Genetics	Identification and genomic analysis of transcription factors in archaeal genomes exemplifies their functional architecture and evolutionary origin.	Perez-Rueda E, Janga SC.	Mol Biol Evol	10.1093/molbev/msq033	2010
Genetics	Inteins as indicators of gene flow in the halobacteria.	Soucy SM, Fullmer MS, Papke RT, Gogarten JP.	Front Microbiol	10.3389/fmicb.2014.00299	2014
Genetics	Reconstructing viral genomes from the environment using fosmid clones: the case of haloviruses.	Garcia-Heredia I, Martin-Cuadrado AB, Mojica FJ, Santos F, Mira A, Anton J, Rodriguez-Valera F.	PLoS One	10.1371/journal.pone.0033802	2012
Enzymology	Sequence analysis of an Archaeal virus isolated from a hypersaline lake in Inner Mongolia, China.	Pagaling E, Haigh RD, Grant WD, Cowan DA, Jones BE, Ma Y, Ventosa A, Heaphy S.	BMC Genomics	10.1186/1471-2164-8-410	2007
Metabolism	LccA, an archaeal laccase secreted as a highly stable glycoprotein into the extracellular medium by Haloferax volcanii.	Uthandi S, Saad B, Humbard MA, Maupin-Furlow JA.	Appl Environ Microbiol	10.1128/aem.01757-09	2010
	The complete genome sequence of Natrinema sp. J7-2, a haloarchaeon capable of growth on synthetic media without amino acid supplements.	Feng J, Liu B, Zhang Z, Ren Y, Li Y, Gan F, Huang Y, Chen X, Shen P, Wang L, Tang B, Tang XF.	PLoS One	10.1371/journal.pone.0041621	2012
Metabolism	A novel pathway for the biosynthesis of heme in Archaea: genome-based bioinformatic predictions and experimental evidence.	Storbeck S, Rolfes S, Raux-Deery E, Warren MJ, Jahn D, Layer G.	Archaea	10.1155/2010/175050	2010
Enzymology	Evolution of DNA ligases of nucleo-cytoplasmic large DNA viruses of eukaryotes: a case of hidden complexity.	Yutin N, Koonin EV.	Biol Direct	10.1186/1745-6150-4-51	2009
	Functional Promiscuity of Homologues of the Bacterial ArsA ATPases.	Castillo R, Saier MH.	Int J Microbiol	10.1155/2010/187373	2010
Genetics	GenomeFingerprinter: the genome fingerprint and the universal genome fingerprint analysis for systematic comparative genomics.	Ai Y, Ai H, Meng F, Zhao L.	PLoS One	10.1371/journal.pone.0077912	2013
Genetics	Genome information management and integrated data analysis with HaloLex.	Pfeiffer F, Broicher A, Gillich T, Klee K, Mejia J, Rampp M, Oesterhelt D.	Arch Microbiol	10.1007/s00203-008-0389-z	2008
Metabolism	Phylogenomic reconstruction of archaeal fatty acid metabolism.	Dibrova DV, Galperin MY, Mulkidjanian AY.	Environ Microbiol	10.1111/1462-2920.12359	2014
Enzymology	Crystal structures of a halophilic archaeal malate synthase from Haloferax volcanii and comparisons with isoforms A and G.	Bracken CD, Neighbor AM, Lamlenn KK, Thomas GC, Schubert HL, Whitby FG, Howard BR.	BMC Struct Biol	10.1186/1472-6807-11-23	2011
	Archaeal RNA polymerase and transcription regulation.	Jun SH, Reichlen MJ, Tajiri M, Murakami KS.	Crit Rev Biochem Mol Biol	10.3109/10409238.2010.538662	2011
Enzymology	The UlaG protein family defines novel structural and functional motifs grafted on an ancient RNase fold.	Fernandez FJ, Garces F, Lopez-Estepa M, Aguilar J, Baldoma L, Coll M, Badia J, Vega MC.	BMC Evol Biol	10.1186/1471-2148-11-273	2011
	Molecular signature of hypersaline adaptation: insights from genome and proteome composition of halophilic prokaryotes.	Paul S, Bag SK, Das S, Harvill ET, Dutta C.	Genome Biol	10.1186/gb-2008-9-4-r70	2008
	Noncellulosomal cohesin- and dockerin-like modules in the three domains of life.	Peer A, Smith SP, Bayer EA, Lamed R, Borovok I.	FEMS Microbiol Lett	10.1111/j.1574-6968.2008.01420.x	2009
Metabolism	Autocatalytic maturation of the Tat-dependent halophilic subtilase Nep produced by the archaeon Natrialba magadii.	Ruiz DM, Paggi RA, Gimenez MI, De Castro RE.	J Bacteriol	10.1128/jb.06792-11	2012
Metabolism	Genetic and biochemical characterization of the poly(3-hydroxybutyrate-co-3-hydroxyvalerate) synthase in Haloferax mediterranei.	Lu Q, Han J, Zhou L, Zhou J, Xiang H.	J Bacteriol	10.1128/jb.00134-08	2008
	Annotation of Protein Domains Reveals Remarkable Conservation in the Functional Make up of Proteomes Across Superkingdoms.	Nasir A, Naeem A, Khan MJ, Nicora HD, Caetano-Anolles G.	Genes (Basel)	10.3390/genes2040869	2011
Metabolism	The nonphosphorylative Entner-Doudoroff pathway in the thermoacidophilic euryarchaeon Picrophilus torridus involves a novel 2-keto-3-deoxygluconate- specific aldolase.	Reher M, Fuhrer T, Bott M, Schonheit P.	J Bacteriol	10.1128/jb.01281-09	2010
	A study in entire chromosomes of violations of the intra-strand parity of complementary nucleotides (Chargaff's second parity rule).	Powdel BR, Satapathy SS, Kumar A, Jha PK, Buragohain AK, Borah M, Ray SK.	DNA Res	10.1093/dnares/dsp021	2009
Metabolism	Comprehensive comparative-genomic analysis of type 2 toxin-antitoxin systems and related mobile stress response systems in prokaryotes.	Makarova KS, Wolf YI, Koonin EV.	Biol Direct	10.1186/1745-6150-4-19	2009
Transcriptome	Transcriptome analysis of Haloquadratum walsbyi: vanity is but the surface.	Bolhuis H, Martin-Cuadrado AB, Rosselli R, Pasic L, Rodriguez-Valera F	BMC Genomics	10.1186/s12864-017-3892-2	2017
	A manual curation strategy to improve genome annotation: application to a set of haloarchael genomes.	Pfeiffer F, Oesterhelt D	Life (Basel)	10.3390/life5021427	2015
	Fluorescence microscopy visualization of halomucin, a secreted 927 kDa protein surrounding Haloquadratum walsbyi cells.	Zenke R, von Gronau S, Bolhuis H, Gruska M, Pfeiffer F, Oesterhelt D	Front Microbiol	10.3389/fmicb.2015.00249	2015
Genetics	Haloquadratum walsbyi: limited diversity in a global pond.	Dyall-Smith ML, Pfeiffer F, Klee K, Palm P, Gross K, Schuster SC, Rampp M, Oesterhelt D	PLoS One	10.1371/journal.pone.0020968	2011
Genetics	MUST: a system for identification of miniature inverted-repeat transposable elements and applications to Anabaena variabilis and Haloquadratum walsbyi.	Chen Y, Zhou F, Li G, Xu Y	Gene	10.1016/j.gene.2009.01.019	2009
Genetics	Genomic plasticity in prokaryotes: the case of the square haloarchaeon.	Cuadros-Orellana S, Martin-Cuadrado AB, Legault B, D'Auria G, Zhaxybayeva O, Papke RT, Rodriguez-Valera F	ISME J	10.1038/ismej.2007.35	2007
Genetics	Environmental genomics of "Haloquadratum walsbyi" in a saltern crystallizer indicates a large pool of accessory genes in an otherwise coherent species.	Legault BA, Lopez-Lopez A, Alba-Casado JC, Doolittle WF, Bolhuis H, Rodriguez-Valera F, Papke RT	BMC Genomics	10.1186/1471-2164-7-171	2006
	Differences in gene expression patterns between cultured and natural Haloquadratum walsbyi ecotypes.	Rosselli R, Lopez-Perez M, Martin-Cuadrado AB, Rodriguez-Valera F, Bolhuis H	Front Microbiol	10.3389/fmicb.2022.1044446	2022
Phylogeny	Haloquadratum walsbyi gen. nov., sp. nov., the square haloarchaeon of Walsby, isolated from saltern crystallizers in Australia and Spain.	Burns DG, Janssen PH, Itoh T, Kamekura M, Li Z, Jensen G, Rodriguez-Valera F, Bolhuis H, Dyall-Smith ML	Int J Syst Evol Microbiol	10.1099/ijs.0.64690-0	2007

References

#6603	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 16790
#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 )
#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) .
#66794	Antje Chang, Lisa Jeske, Sandra Ulbrich, Julia Hofmann, Julia Koblitz, Ida Schomburg, Meina Neumann-Schaal, Dieter Jahn, Dietmar Schomburg: BRENDA, the ELIXIR core data resource in 2021: new developments and updates. Nucleic Acids Res. 49: D498 - D508 2020 ( DOI 10.1093/nar/gkaa1025 , PubMed 33211880 )
#67770	Japan Collection of Microorganism (JCM) ; Curators of the JCM;
#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 .
#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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Haloquadratum walsbyi (DSM 16790, HBSQ001, JCM 12895)

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