The characteristics of a variant strain of Brucella melitensis Rev l

Pieterson, P.M., Gummow, B., Pefanis, S., Venter, Catharina G., and Herr, S. (1988) The characteristics of a variant strain of Brucella melitensis Rev l. Onderstepoort Journal of Veterinary Research, 55. pp. 15-17.

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Circumstantial evidence is presented for the occurrence of a variant of a vaccine strain of B. melitensis Rev 1, designated "FSA"(foreign South African). FSA resembles Rev 1 in its reactions to penicillin and streptomycin but reacts closer to a field strain of B. melitensis as regards dye (thionine and basic fuchsin) sensitivity and colony size.

Although colonies of Rev 1 were consistently smaller than other B. melitensis strains, their size was 0,75 mm as opposed to the 1-2 mm reported in the literature, while B. melitensis 16M colonies were 1,25-1,5 mm as opposed to the 3-4 mm previously reported.

Rev 1 was found to be urease positive, unless a test of low sensitivity was applied.

Item ID: 18066
Item Type: Article (Research - C1)
ISSN: 0030-2465
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Date Deposited: 06 Jun 2012 22:24
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