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Table 2 Taxonomic composition of denitrifying bacteria and their denitrifying activity

From: Advantages of functional single-cell isolation method over standard agar plate dilution method as a tool for studying denitrifying bacteria in rice paddy soil

Taxon Genus Number of isolates (mean of potential denitrifying activity ± SD,%)a
Class and Order   FSC APD
Alphaproteobacteria    
Rhizobiales Bradyrhizobium 12 (53.4 ± 18.7) 11 (52.0 ± 15.9)
Rhodospirillales Azospirillum 1 (69.3)  
total   13 (54.6 ± 18.4)  
Betaproteobacteria    
Burkholderiales Ralstonia 3 (33.7 ± 18.2)  
  Curvibacter 1 (43.1)  
  Ideonella 3 (48.5 ± 19.1)  
Neisseriales Pseudogulbenkiania 3 (60.8 ± 8.6)  
Rhodocyclales Azoarcus 1 (50.4)  
  Dechloromonas 1 (23.4)  
  Zoogloea 14 (63.1 ± 23.2)  
  Unclassified Rhodocyclales 3 (50.9 ± 23.3)  
total   29 (54.5 ± 21.8)  
Actinobacteria    
Actinomycetales Microbacterium   1 (32.1)
  Arthrobacter   1 (37.0)
  Micromonospora   1 (25.9)
  Marmoricola   1 (20.6)
  Streptomyces   4 (27.7 ± 10.4)
total    8 (28.3 ± 8.3)
Bacilli    
Bacillales Bacillus 2 (22.7) 14 (29.7 ± 10.4)
  1. aProportion (%) of nitrate reduced to N2O in two weeks.