sentence: Notably , atypical NosZ proteins have been shown to function as nitrous oxide reductases in several bacteria , such as Wolinella succinogenes ( 13 , 14 ) , Geobacillus thermodenitrificans ( 15 ) , the soil isolate Anaeromyxobacter dehalogenans ( 11 ) , and several Bacillus species isolated from soils ( 16 , 17 ) .