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. 2017 Jun;23(6):997–1000. doi: 10.3201/eid2306.162018

Table. Differential biochemical profile of Brucella isolates from 2 men with neurobrucellosis, Costa Rica, 2008 and 2011.

Analysis
bneohCR1
bneohCR2
Biochemical tests
Oxidase -
Citrate utilization
Nitrate reduction + +
CO2 required
H2S production + +
Urease activity, h
0–0.5+
0–0.5+
Growth in presence of dyes
Thionin 20 μg/mL


Basic fuchsin 20 μg/mL
A + +
M