Cross Index Exiguobacterium aurantiacum
SuperSet Prokaryote, Eubacteria Irregular, Nonsporing Gram-Positive Rods
Compare Acetobacterium Acetogenium kivui, Actinomyces Aeromicrobium erythreum Agromyces ramosus Arachnia propionica, Arcanobacterium haemolyticum, Arthrobacter, Aureobacterium, Bifidobacterium, Brachybacterium faecium, Brevibacterium, Butyrivibrio, Caseobacter polymorphus, Cellulomonas ,Clavibacter, Coriobacterium glomerans, Corynebacterium, Curtobacterium, Dermobacter hominus, Eubacterium, Exigouibacterium aurantiacum, Falcivibrio, Gardnerella, Jonsia denitrificans, Lachnospira multiparus, Microbacterium, Mobiluncus, Pimelobacter, Proprionibacterium, Rarobacter faecitabidus , Rothia dentocariosa, Rubrobacter radiotolerans, Sphaerobacter thermophilus , Terrabacter tumescens, Thermoanaerobacter ethanolicus, Thermoanaerobium brockii
Contrast Archaea
Subset  

 

Morphology Exiguobacterium aurantiacum
CELLULAR  
Staining Gram positive not acid fast
Morphology rods in young cultures beomce occoid in old cultures
Motility motile by peritrichous flagella
Specialized structures no spores
Division  
COLONIAL  
Solid surface flat pale orange colonies on nutrient agr, the pigment does not diffuse
Liquid  

 

Growth Parameters Exiguobacterium aurantiacum
PHYSIOLOGICAL  
Tropism chemoorganotropic
Oxygen facultative anaerobe
pH alkalophilic cells grow at pH 6.5-11.5
Temperature optimum 37 oC
Requirements  
Products fermentative metaolism giving acid from glucose, sucrose, galactose, and other carbohydrates produces lactate, acetate and formate. Starch, casein and gelatine are hydrolysed
Enzymes catalase positive, oxidase negative, nitrate is reduced
Unique features  
ENVIRONMENTAL  
Habitat isolated from potato processing effluent
Lifestyle  
Pathogenicity  
Distribution  

 

Genome Exiguobacterium aurantiacum
G+C Mol %  
   

 

Reference Exiguobacterium aurantiacum
First citation Collins et al 1983 J. Gen Microbiol 129: 2037-2042
The Prokaryotes p
Bergey's Determinative p 577
References