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       Soon you will find here information on the whole genome sequencing of

Nitrosomonas eutropha C-91,   Nitrosolobus multiformis C-71,   Nitrosococcus oceani C-107,  
which are Gram-negative obligate chemolithoautotrophs that can derive all their energy and reductant for growth from the oxidation of ammonia to nitrite;

and

Nitrobacter winogradskyi Nb-255 ,   Nitrobacter hamburgensis X14 ,
which are Gram-negative obligate chemolithoautotrophs that can derive all their energy and reductant for growth from the oxidation of nitrite to nitrate.