Fig. 4.
FISH analysis of sludge samples from the CANON MBR on day 62: (A) red color indicates aerobic ammonia oxidizing bacteria hybridized with NSO190 probe and green color indicates most bacteria hybridized with EUB338 probe, (B) blue color indicates Anammox bacteria hybridized with AMX820 probe and green color indicates most bacteria hybridized with EUB338 probe. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)