Shigella
Terms
Contact
Shigella sonnei
on XLD agar plate. Xylose fermentation: negative (unlike
E.coli
), lysine decarboxylase: negative (unlike most
E.coli
and
Salmonella
spp.). Compare with
E.coli
and
Salmonella enterica
on
XLD
Cultivation 72 hours, 37°C.