Table 3.

16S rRNA sequence similarities of ammonia-oxidizing bacteria Nm93 and Nm103 isolated from activated sludge and members of the Nitrosomonas cluster

rDNA source% Similarity to rDNA of:
N. mobilis Nm93N. europaea Nm103N. europaeaN. mobilisN. eutropha
N. mobilis Nm93
N. europaea Nm10395.4
N. europaea95.699.1
N. mobilis98.295.195.5
N. eutropha94.997.798.194.4
N. halophila96.197.398.195.696.6