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Bordet-Gengou agar
Bordet-Gengou agar is a type of agar plate optimized to isolate ''Bordetella'', containing blood, potato extract, and glycerol, with an antibiotic such as cephalexin or penicillin and sometimes nicotinamide.〔()〕 The potato extract provided nitrogen and vitamins, and potato starch absorbed fatty acids present in nasal secretions or collection-swab cotton that inhibited growth; glycerol was a carbon source.〔(BD Bordet Gengou Agar with 15% Sheep Blood (product insert also describing Bordetella Agar with Charcoal) )〕 ''Medical Microbiology, 4th edition''〔 states that Regan-Lowe medium〔 (containing charcoal, blood, and antibiotic) has replaced Bordet-Gengou medium as the medium of choice for routine ''Bordetella pertussis'' incubation.
''Bordetella'' bacteria were difficult to culture; Jules Bordet and Octave Gengou invented the first version to isolate the coccobacillus, named Bordet-Gengou in 1906, they believed was associated with whooping cough. In 1909, it was not yet established that the coccobacillus was solely the cause.
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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