The genus Nitrospira represents the dominant group of nitrite-oxidizing bacteria in most wastewater treatment plants (WWTPs). The genus is phylogenetically divided into two major lineages (I and II),
Metagenomic sequencing revealed the original sludge T in the SBR pool and the sludge S1 in the SBR reactor after incorporation into leachate. Differences in the main metabolic pathways of activated sl
