| Strains code | 
        Collection    Site | 
        Name    of isolates | 
        NCBI-GenBank 
          Acc.    No. | 
       
      
        | NSW1 | 
        Bantala | 
        Nitrosomonas eutropha | 
        KF618623 | 
       
      
        | NSW2 | 
        Nalban fishery tank 2 | 
        Nitrosomonas europaea | 
        KF618624 | 
       
      
        | NSW3 | 
        Jhagrasisa bhery tank 1 | 
        Nitrosomonas sp. | 
        KF618625 | 
       
      
        | NSW4 | 
        Ambedkar bridge | 
        Nitrosomonas eutropha | 
        KF618626 | 
       
      
        | NBW1 | 
        Bantala | 
        Nitrobacter sp. | 
        KF618620 | 
       
      
        | NBW2 | 
        Nalban fishery tank 2 | 
        Nitrobacter sp. | 
        KF618621 | 
       
      
        | NBW3 | 
        Jhagrasisa bhery tank 1 | 
        Nitrobacter vulgaris | 
        KF618622 | 
       
      |