Cross Index	Sinorhizobium
SuperSet	Prokaryote, Eubacteria, Gram-Negative Aerobic/ Microaerophilic Rods and Cocci
Compare	Acetobacter, Acidiphilium, Acidomonas methanolica, Acidothermus cellulolyticus, Acidovorax, Acinetobacter, Afipia, Agrobacterium, Agromonas oligotrophica, Alcaligenes, Alteromonas, Aminobacter, Aquaspirillum, Azomonas, Azorhizobium caulinodans, Azotobacter, Bacteroides, Beijerinckia, Bordetella, Bradyrhizobium japonicum, Brucella, Chromohalobacter marismortui, Chryseomonas luteola, Comamonas, Cupriavidus necator, Deleya, Derxia gummosa, Ensifer adherans, Erythrobacter longus, Flavimonas oryzihabitans, Flavobacterium, Francisella, Frateuria aurantica, Gluconobacter, Halomonas, Hydrogenophaga, Janthinobacterium lividum, Kingella, Lampropedia hyalina, Legionella, Marinobacter hydrocarbonoclasticus, Marinomonas, Mesophilobacter marinus, Methylobacillus glycogenes, Methylobacterium, Methylococcus, Methylomonas, Methylophaga, Methylophilus, Methylovorus glucosotrophus, Moraxella, Morococcus cerebrosus, Neisseriaceae, Neisseria, Oceanospirillum, Ochrobactrum anthropi, Oligella, Paracoccus, Phenylobacterium immobile, Phyllobacterium, Pseudomonas, Psychrobacter immobilis, Rhizobacter daucus, Rhizobium, Rhizomonas suberifaciens, Rochalimaea, Roseobacter, Rugomonas rubra, Serpens, Sinorhizobium, Sphingobacterium, Taylorella equigenitalis, Thermoleophilum, Thermomicrobium, Thermus, Variovorax paradoxus, Volcaniella eurhalina, Weeksella, Wolinella, Xanthobacter, Xanthomonas, Xyella fastidiosa, Xylophilus ampelinus, Zoogloea ramigera
Contrast	Archaea
Subset	Sinorhizobium fredii and Sinorhizobium xinjiangensis

 

Morphology

Sinorhizobium

CELLULAR

Staining	Gram negative
Morphology	rods (0.5-0.9 x 1.2-3.0 um)
Motility	either a single polar flagellum or 1 to more than 3 peritrichous flagella
Specialized structures	contains granules of poly-beta-hydroxybutyrate, no psores

Division

COLONIAL

Solid surface

on YMA agar, colonies are circular convex, semitranslucent, raised and cuilanginous, usually 2-4 mm in diameter after 3-5days

Liquid

pronounced turbidity develops within 3-5 days in agitated broth cultures

 

Growth Parameters

Sinorhizobium

PHYSIOLOGICAL

Tropism	chemoorganotroph
Oxygen	obligate aerobe
pH	optimum pH 6-8 range pH 5.0- 10.5
Temperature	optimum 25-30 oC range 10-35 oC
Requirements	all strains require pantothenate and nicotinic acid but other vitamin requirements are variable
Products
Enzymes	oxidase positive, catalase positive
Unique features	Symbiotic nitrogen fixers They do not have a wide host range but they can form nodules on Glycine soja, Glycine max, Vigna unquiulata and Cajanus cajan

ENVIRONMENTAL

Habitat
Lifestyle	Symbiotic nitrogen fixers
Pathogenicity

Distribution

 

Genome

Sinorhizobium

G+C Mol %

 

Reference

Sinorhizobium

First Citation	Chen et al 1988 IJSB 38: 392-397
The Prokaryotes	p
Bergey's Determinative	p 97

References