Table 1.
Concentrations of PAHs in soils.
Table 2.
Concentrations of PAHs in Alopecurus aequalis.
Table 3.
Concentrations of PAHs in Oxalis corniculata.
Figure 1.
Representative DGGE for PCR-amplified 16S rDNA V3 fragments from endophytic bacteria in Alopecurus aequalis and Oxalis corniculata.
The genus of the band marked in the figure: Band 1 - Pseudomonas sp; Band 2 - uncultured bacterium clone; Band 3 - Nesterenkonia sp.
Figure 2.
The similarity of endophytic bacterial community in roots of Alopecurus aequalis (A), shoots of Alopecurus aequalis (B), roots of Oxalis corniculata(C) and shoots of Oxalis corniculata (D).
1- Q pollution level (defined as 100%), 2- Z pollution level, 3-A pollution level.
Figure 3.
Phylogenetic trees by 16S rDNA V3 sequence analysis of endophytic bacterial community of Alopecurus aequalis (A) and Oxalis corniculata (B).
The codes with characters and numbers indicate the isolated DGGE bands. Bootstrap values are shown for each node in a bootstrap analysis of 1,000 replicates.
Figure 4.
Amounts of cultivable endophytic bacterial strains in Alopecurus aequalis and Oxalis corniculata under different PAH pollution levels.
Figure 5.
Amounts of cultivable endophytic bacterial strains belonging to each genus in Alopecurus aequalis (A) and Oxalis corniculata (B) under different PAH pollution levels.