Ensifer mexicanus (DSM 18446, ATCC BAA-1312, CFN ER1001)

Name: Ensifer mexicanus (DSM 18446, ATCC BAA-1312, CFN ER1001)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 13559

Type strain

Strain Designation ITTG-R7, ITTG_R7

Culture col. no. DSM 18446 ATCC BAA-1312 CFN ER1001 CIP 109033 HAMBI 2910 3 more

NCBI tax ID(s) 375549

Special Collections DSMZ CIP

Links

Ensifer mexicanus ITTG-R7 is a mesophilic prokaryote that was isolated from nodules of Acacia angustissima Kuntz.

mesophilic genome sequence 16S sequence

Name and taxonomic classification

SI-ID 298304

ATCC BAA-1312,CIP 109033,HAMBI 2910,DSM 18446,LMG 23932

@ref 20215

Last LPSN update 2025-12-16 09:50:07

Domain Pseudomonadati

Phylum Pseudomonadota

Class Alphaproteobacteria

Order Hyphomicrobiales

Family Rhizobiaceae

Genus Ensifer

Species Ensifer mexicanus

Full scientific name Ensifer mexicanus Lloret et al. 2011

Synonyms (1)

Sinorhizobium mexicanum

Morphology

Cell morphology

@ref	Gram stain	Confidence
125438	negative	99
125439	negative	99.5

Culture and growth conditions

Culture medium

@ref	Name	Growth	Medium link	Composition
7475	YM MEDIUM (DSMZ Medium 1070)		Medium recipe at MediaDive	Name: YM MEDIUM (DSMZ Medium 1070) Composition: Mannitol 10.0 g/l K2HPO4 0.5 g/l Yeast extract 0.5 g/l CaCl2 x 2 H2O 0.2 g/l NaCl 0.2 g/l MgSO4 x 7 H2O 0.1 g/l Distilled water

Culture temp

@ref	Growth	Type	Temperature (°C)	Range
7475	positive	growth	28	mesophilic

Physiology and metabolism

Oxygen tolerance

@ref	Oxygen tolerance	Confidence
125439	obligate aerobe	99.1

Spore formation

@ref	Spore formation	Confidence
125439		97.9

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2	Cat3
#Host	#Plants	#Shrub (Scrub)
#Host Body-Site	#Plant	#Root nodule

Isolation

@ref	Sample type	Host species	Geographic location	Country	Country ISO 3 Code	Continent
7475	nodules of Acacia angustissima (Mill.) Kuntz	Acacia angustissima	Chiapas, Tuxtla Gutiérrez, "Sumidero Canyon Park"	Mexico	MEX	North America

Interaction and safety

Risk assessment

@ref	Biosafety level	Biosafety level comment
7475	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
124043	ASM1348822v1 assembly for Sinorhizobium mexicanum ITTG R7	complete	GCA_013488225	375549.3	8110593280	375549	96.73
66792	ASM1787310v1 assembly for Sinorhizobium mexicanum DSM 18446	contig	GCA_017873105	375549.4	2913301947	375549	67.21

Genome browser: GCA_013488225

16S sequences

@ref	Description	Accession	Length	Database	NCBI tax ID
7475	Ensifer mexicanum strain ITTG-R7 16S ribosomal RNA gene, partial sequence	DQ411930	1461		375549

Genome-based predictions

Predictions

Predictions from Deep Learning for Genome Sequence Data. R package version 0.3.1 based on: Sinorhizobium mexicanum DSM 18446
NCBI: GCA_017873105

@ref	Trait	Model	Prediction	Confidence in %	In training data
125439	spore_formation	BacteriaNetⓘ	no	97.90	no
125439	motility	BacteriaNetⓘ	yes	52.60	no
125439	gram_stain	BacteriaNetⓘ	negative	99.50	no
125439	oxygen_tolerance	BacteriaNetⓘ	obligate aerobe	99.10	no

Predictions from bacterial phenotypic traits through improved machine learning using high-quality, curated datasets based on: Ensifer mexicanus strain DSM 18446
PATRIC: 375549.4

@ref	Trait	Model	Prediction	Confidence in %	In training data
125438	gram-positive	gram-positiveⓘ	no	99.00	no
125438	anaerobic	anaerobicⓘ	no	92.96	no
125438	spore-forming	spore-formingⓘ	no	88.72	no
125438	aerobic	aerobicⓘ	yes	85.88	no
125438	thermophilic	thermophileⓘ	no	98.00	no
125438	flagellated	motile2+ⓘ	yes	73.42	no

Literature

Title	Authors	Journal	DOI	Year
Uncovering microbiomes of the rice phyllosphere using long-read metagenomic sequencing.	Masuda S, Gan P, Kiguchi Y, Anda M, Sasaki K, Shibata A, Iwasaki W, Suda W, Shirasu K.	Commun Biol	10.1038/s42003-024-05998-w	2024
Real-time on-site detection of the three 'Candidatus Liberibacter' species associated with HLB disease: a rapid and validated method.	Moran F, Herrero-Cervera M, Carvajal-Rojas S, Marco-Noales E.	Front Plant Sci	10.3389/fpls.2023.1176513	2023
Genetic Diversity and Characterization of Symbiotic Bacteria Isolated from Endemic Phaseolus Cultivars Located in Contrasting Agroecosystems in Venezuela.	Ramirez MDA, Espana M, Sekimoto H, Okazaki S, Yokoyama T, Ohkama-Ohtsu N.	Microbes Environ	10.1264/jsme2.me20157	2021
Both Alpha- and Beta-Rhizobia Occupy the Root Nodules of Vachellia karroo in South Africa.	Beukes CW, Boshoff FS, Phalane FL, Hassen AI, le Roux MM, Stepkowski T, Venter SN, Steenkamp ET.	Front Microbiol	10.3389/fmicb.2019.01195	2019
Genomic Data of Acaciella Nodule Ensifer mexicanus ITTG R7(T).	Rincon-Rosales R, Rogel MA, Guerrero G, Rincon-Molina CI, Lopez-Lopez A, Manzano-Gomez LA, Ruiz-Valdiviezo VM, Martinez-Romero E	Microbiol Resour Announc	10.1128/MRA.01251-20	2021
Symbiotic potential and survival of native rhizobia kept on different carriers.	Ruiz-Valdiviezo VM, Canseco LM, Suarez LA, Gutierrez-Miceli FA, Dendooven L, Rincon-Rosales R	Braz J Microbiol	10.1590/S1517-838246320140541	2015
Rhizobia with different symbiotic efficiencies nodulate Acaciella angustissima in Mexico, including Sinorhizobium chiapanecum sp. nov. which has common symbiotic genes with Sinorhizobium mexicanum.	Rincon-Rosales R, Lloret L, Ponce E, Martinez-Romero E.	FEMS Microbiol Ecol	10.1111/j.1574-6941.2008.00590.x	2009
Ensifer mexicanus sp. nov. a new species nodulating Acacia angustissima (Mill.) Kuntze in Mexico.	Lloret L, Ormeno-Orrillo E, Rincon R, Martinez-Romero J, Rogel-Hernandez MA, Martinez-Romero E	Syst Appl Microbiol	10.1016/j.syapm.2006.12.002	2007

References

#7475	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 18446
#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) .
#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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Ensifer mexicanus (DSM 18446, ATCC BAA-1312, CFN ER1001)

Name and taxonomic classification

Morphology

Cell morphology

Culture and growth conditions

Culture medium

Culture temp

Physiology and metabolism

Oxygen tolerance

Spore formation

Isolation, sampling and environmental information

Isolation source categories

Isolation

Interaction and safety

Risk assessment

Sequence information

Genome sequences

Genome browser: GCA_013488225

16S sequences

Genome-based predictions

Predictions

Literature

Literature

References

BacDive

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