Table 2 Taxonomic composition of denitrifying bacteria and their denitrifying activity
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) |