Table 1 Copy numbers of the hzo and 16S rRNA genes of AMX and the 16S rRNA gene of total bacteria in sludge samples of the anammox reactor during the entire operation.

From: Integrating landfill bioreactors, partial nitritation and anammox process for methane recovery and nitrogen removal from leachate

Sludge sample

Gene copy number per liter of mixed liquor (copies L−1)

Copy number ratio (%)

Bacterial 16S rRNA gene

hzo

AMX (16S rRNA)

hzoto 16S rRNA gene

AMX to 16S rRNA gene

Seed

2.97 ± 0.36 × 1012

9.28 ± 2.27 × 108

8.88 ± 0.16 × 107

0.03

0.003

Day 61

1.28 ± 0.16 × 1012

3.16 ± 0.88 × 109

1.63 ± 0.16 × 108

0.25

0.01

Day 86

1.28 ± 0.04 × 1012

5.39 ± 0.40 × 1010

9.77 ± 3.17 × 1010

4.22

7.64

Day 277

1.34 ± 0.26 × 1012

1.54 ± 0.15 × 1011

1.82 ± 0.05 × 1011

11.46

13.61

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