FAMILY III. ACHROMOBACTEEACEAE 



329 



B. Nitrites not produced from nitra 



II. Gelatin liquefied. 



A. Nitrites produced from nitrates. 



1. Acid from sucrose. 



2. No acid from sucrose. 



2. Beneckea ureasophora. 



3. Beneckea chitinovora. 



4. Beneckea hyper optica. 



B. Nitrites not produced from nitrates. 

 1. Acid from sucrose. 



2. No acid from sucrose. 



5. Beneckea indolthetica. 



6. Beneckea lipophaga. 



1. Beneckea labra (Campbell and Wil- 

 liams, 1951) Campbell, comb. nov. {Achro- 

 niobacter labrum Campbell and Williams, 

 Jour. Gen. Microbiol., 5, 1951, 894.) 



la'bra. Gr. adj. labrus greedy. 



Rods, 0.2 to 0.4 by 0.8 to 1.1 microns, 

 occurring singly, in pairs and occasionally 

 in clumps. Motile by means of peritrichous 

 flagella. Gram-negative. 



Gelatin stab: No liquefaction. 



Agar colonies: Circular, smooth, entire, 

 flat, glistening, opaque, non-pigmented to 

 pale cream. 



Agar slants: Abundant, filiform, smooth, 

 glistening, opaque, non-pigmented growth. 



Broth: Moderately turbid: surface growth 

 adherent to the walls of the tubes. 



Litmus milk: Acid in 6 days. 



Indole not produced. 



Hydrogen sulfide not produced. 



Acid but no gas from glucose, fructose, 

 maltose, de.xtrin, mannose, trehalose and 

 cellobiose. No acid from lactose, sucrose, 

 arabinose, rhamnose, xylose, raffinose, 

 inulin, mannitol, salicin, dulcitol, inositol, 

 melezitose or adonitol. 



Glucose, fructose, sucrose, maltose, lac- 

 tose, dextrin, mannose, arabinose, rham- 

 nose, xylose, raffinose, inulin, mannitol, 

 salicin, galactose, trehalose, inositol, cello- 

 biose, melezitose, adonitol, chitin, glycogen, 

 starch, butyrate, valerate, asparaginate, 

 succinate, malate, fumarate (0.5 per cent), 

 levulinate, /3-alanine, glucosamine, ethanol 

 and tertiary butanol are utilized as carbon 

 sources. Dulcitol, cellulose, malonate, sali- 

 cylate, oxalate, mandelate, benzoate (0.5 

 per cent), propionate, n-amyl alcohol, meth- 

 anol, n-propanol, iso-amyl alcohol and 



lumichrome are not utilized as carbon 

 sources. 



Starch is hydrolyzed. 



Chitin is hydrolyzed. 



Non -lipolytic. 



Nitrites produced from nitrates. 



Ammonia produced from peptone. 



Urease-negative. 



Casein not hydrolyzed. 



Trimethylamine not produced from tri- 

 methylamine oxide, choline or betaine. 



Aerobic, facultative. 



Optimum temperature, between 20° and 

 30° C. Grows at 4° C. 



Source: Isolated from marine mud. 



Habitat: Found in sea water. 



2. Beneckea ureasophora (Campbell 

 and Williams, 1951) Campbell, comb. nov. 

 {Achromobacter ureasophorum Campbell and 

 Williams, Jour. Gen. Microbiol., 5, 1951, 

 894.) 



u.re.a.so'pho.ra. Gr. noun urum urine; 

 M.L. noun urea urea; M.L. noun ureasum 

 urease; Gr. adj. phorus bearing; M.L. adj. 

 iireasophorus urease-bearing. 



Small rods, 0.2 by 0.8 micron, occurring 

 singly. Motile by means of peritrichous 

 flagella. Gram-negative. 



Gelatin stab: No liquefaction. 



Agar colonies: Circular, raised, glisten- 

 ing, entire, translucent, non-pigmented. 



Agar slant: Abundant, filiform, glisten- 

 ing, translucent, non-pigmented growth. 



Broth: Slightly turbid with a stringy 

 sediment. 



Litmus milk: Acid in 6 da3's. 



Indole not produced. 



Hydrogen sulfide not produced. 



Acid but no gas from glucose, fructose, 



