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This blog was designed for the Biomedical Technology students at the Durban University of Technology, in Durban, South Africa. It consists of short notes on aspects that I feel that my students grapple with, and aims to provide a better explanation than that they would receive in lectures. It is also a very personal blog, where I feel comfortable 'talking' to my students.

Please email me sherlien@dut.ac.za




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Wednesday, March 2, 2011

Shigella identification

serotyping
S dysenteriae is group A with 13 serotypes
S flexneri is group B with 6 serptypes
S boydii is group C with 18 serotypes
S sonnei is group D with 1 serotype

group A is beg for mannitol fermentation
all others groups are pos
group D is late lactose fermenters and ONPG pos

serotyping is done using slide agglutination tests using specific antisera
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