Table 1 Concentrations of PAHs in: rhizosphere soils (mg·kg−1 dry weight).

From: Diversity and distribution of 16S rRNA and phenol monooxygenase genes in the rhizosphere and endophytic bacteria isolated from PAH-contaminated sites

PAHs

The rhizosphere soils of A. aequalis (mgkg−1 dry weight)

The rhizosphere soils of O. corniculata (mg•kg −1 dry weight)

A

Z

Q

A

Z

Q

NAP

32.12 ± 3.18a

26.99 ± 4.04b

21.77 ± 5.43c

51.24 ± 2.89a

32.65 ± 3.96b

29.68 ± 2.37c

FLU

1.89 ± 0.04a

0.99 ± 0.02b

0.79 ± 0.21c

3.12 ± 0.06a

2.8 ± 0.64b

2.15 ± 0.32c

ANY

0.88 ± 0.02b

0.80 ± 0.47b

0.96 ± 0.01a

5.65 ± 0.37a

3.66 ± 0.04b

3.05 ± 0.23b

PHA

10.34 ± 1.89a

7.34 ± 0.59b

4.57 ± 0.75c

12.68 ± 1.71a

9.96 ± 1.66b

4.35 ± 0.23c

FLA

2.85 ± 0.43a

2.13 ± 0.21b

1.35 ± 0.04c

4.63 ± 0.41a

1.25 ± 0.09b

0.79 ± 0.02c

CHR

4.17 ± 0.60a

3.67 ± 0.26b

1.99 ± 0.03c

10.39 ± 0.65a

4.06 ± 0.41b

1.31 ± 0.01c

PYR

0.86 ± 0.04b

0.94 ± 0.01a

0.92 ± 0.02ab

3.33 ± 0.19a

1.89 ± 0.02b

1.53 ± 0.02b

BaA

0.67 ± 0.03a

0.53 ± 0.00b

0.51 ± 0.00b

2.46 ± 0.31a

1.63 ± 0.08b

1.62 ± 0.07b

BbF

0.77 ± 0.00a

0.8 ± 0.05a

0.67 ± 0.00b

3.74 ± 0.04a

1.99 ± 0.05b

0.8 ± 0.00c

BghiP

0.74 ± 0.13a

0.68 ± 0.11b

0.69 ± 0.01b

0.57 ± 0.02a

0.67 ± 0.00a

0.51 ± 0.04a

∑PAHs

55.29 ± 5.19a

44.87 ± 6.34b

34.22 ± 7.98c

97.81 ± 10.10a

60.56 ± 9.28b

45.79 ± 5.49c

  1. Note: different letters in the same row for the same plant indicate significant differences (P < 0.05).