Table 2

Copy numbers of 16S rRNA and hzsA genes in Chinese anammox reactorsa

ReactorGene copy no. per ml of reactor volRatio
16S rRNA genehzsA gene
A13.7 × 1072.9 × 1071.3:1
A21.3 × 1091.0 × 1091.2:1
A31.2 × 1092.4 × 1084.9:1
A44.0 × 1091.4 × 1092.9:1
A52.2 × 1097.9 × 1082.8:1
A68.6 × 1093.1 × 1092.8:1
A75.9 × 1096.0 × 1089.8:1
A81.7 × 1093.4 × 1085.2:1
  • a qPCR was performed with primer sets Amx694F-Amx960R and hzsA_1597F-hzsA_1857R (this study), targeting the 16S rRNA and hzsA genes. 16S rRNA qPCR data were extracted from the work of Hu et al. (8).