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섬모상 담체에 부착/ 생장하는 질산화 미생물의 Fluorescence in situ Hybridization에 의한 동정
황선진,장주희,장현섭 대한상하수도학회 2003 상하수도학회지 Vol.17 No.6
FISH (Fluorescence in situ Hybridization) technique was applied to the several nitrifiers in the bulk solution and on the Cilium media to promote nitrification process. It was confirmed by the results of Nso190 and NEU image analysis that ammonia oxidizer forms 'cluster' when they appears in both bulk and media. Another significant fact was that lots of microbial flocs were observed on the surface of the Cilium media substratum instead of biofilm. And from the results of NEU, it was known that Nitrosomonas europaea, Nitrosomonas eutopha and Nitrococcus mobilis or one or two of these three were the dominant ammonia oxidizers. The fact that no Nitrobacter sp. was detected with NIT3 probe means naturally that nitrite oxidizer in the nitrification reactor was not composed of Nitrobacter sp. but with other nitrite oxidizers like Nitrospira sp. etc. In order to detect these nitrite oxidizers, suitable probes must be tested.