Ensifer (bacterium)

Ensifer
	Ensifer fredii USDA257 on an agar plate of typtone-yeast extract agar.
Scientific classification
Domain:	Bacteria
Kingdom:	Pseudomonadati
Phylum:	Pseudomonadota
Class:	Alphaproteobacteria
Order:	Hyphomicrobiales
Family:	Rhizobiaceae
Genus:	Ensifer; Casida, 1982
Type species
	Ensifer adhaerens; Casida, 1982
Species
	"Sinorhizobium abri" Ogasawara et al. 2003; Ensifer adhaerens Casida 1982; Ensifer alkalisoli Li et al. 2016; Ensifer americanus corrig. (Toledo et al. 2004) Wang et al. 2015; Ensifer arboris (Nick et al. 1999) Young 2003; "Ensifer aridi" Le Quéré et al. 2017; "Ensifer aridi" Rocha et al. 2020; "Sinorhizobium chiapanecum" Rincón-Rosales et al. 2009; "Ensifer collicola" Jang et al. 2017; Ensifer fredii (Scholla and Elkan 1984) Young 2003; Ensifer garamanticus Merabet et al. 2010; Ensifer glycinis Yan et al. 2016; "Sinorhizobium indiaense" Ogasawara et al. 2003; Ensifer kostiensis (Nick et al. 1999) Young 2003; Ensifer kummerowiae (Wei et al. 2002) Young 2003; Ensifer medicae (Rome et al. 1996) Young 2003; Ensifer meliloti (Dangeard 1926) Young 2003; Ensifer mexicanus Lloret et al. 2007; Ensifer morelensis corrig. (Wang et al. 2002) Wang et al. 2015; Ensifer numidicus Merabet et al. 2010; Ensifer psoraleae Wang et al. 2013; Ensifer saheli (De Lajudie et al. 1994) Young 2003 symbiovar acaciae; symbiovar sesbaniae; ; Ensifer sesbaniae Wang et al. 2015; Ensifer shofinae Chen et al. 2017; Ensifer sojae Li et al. 2011; Ensifer terangae (De Lajudie et al. 1994) Young 2003 symbiovar acaciae; symbiovar sesbaniae; ;
Synonyms
	Sinorhizobium Chen et al. 1988;

Ensifer (often referred to in literature by its synonym Sinorhizobium) is a genus of nitrogen-fixing bacteria (rhizobia), three of which (Ensifer meliloti, Ensifer medicae and Ensifer fredii) have been sequenced.