Table 1.
Phylogenetic affiliations of microbes grown on PENG amended medium on the basis of 16S rRNA gene sequences by using the BLAST program in the GenBank database.
| Taxonomic group and strains a | Closest species | Accession no. | Similarly (%) | Length (bp) |
|---|---|---|---|---|
| Alpha-proteobacteria | ||||
| S1 | Sphingomonas sp. CC-MHH0539 | KU248160 | 99 | 1240 |
| S3 | Ochrobactrum pseudintermedium ADV43 | DQ365923 | 99 | 566 |
| S20 | Bosea sp. MF18 | EF219051 | 99 | 556 |
| Beta-proteobacteria | ||||
| S2 | Diaphorobacter sp. GS-1 | FJ158841 | 99 | 1489 |
| S4 | Dechloromonas sp. JDS6 | AY084087 | 99 | 605 |
| S5 | Dechloromonas agitata A10 | MG757543 | 92 | 568 |
| S12 | Acidovorax temperans Ls 4-1 | KX622787 | 99 | 669 |
| M8 | Dechloromonas sp. Iso12-19 | AB795533 | 99 | 611 |
| M9 | Dechloromonas sp. IsoEc.27 | AB795517 | 96 | 569 |
| M2 | Acidovorax sp. Iso-33 | KC768746 | 99 | 1488 |
| M6 | Acidovorax sp. Iso-33 | KC768746 | 99 | 1465 |
| M14 | Hydrogenophaga defluvii | AM942546 | 98 | 577 |
| Gamma-proteobacteria | ||||
| S15 | Pseudoxanthomonas kaohsiungensis J36 | AY650027 | 95 | 615 |
| S17 | Stenotrophomonas sp. LMG 19833 | AJ300772 | 99 | 1476 |
| M18 | Morganella morganii FUA1245 | HQ169126 | 98 | 665 |
| M20 | Enterobacter cloacae M380 | HQ651838 | 97 | 611 |
| M21 | Stenotrophomonas sp. ICB209 | FJ748674 | 98 | 660 |
| Bacteroidetes | ||||
| S16 | Elizabethkingia sp. ds13-11 | HQ436416 | 99 | 598 |
| Actinobacteria | ||||
| M1 | Mycobacterium chelonae B14 | JX010972 | 99 | 1481 |
a S: Activated sludge; M: River sediment. As for AHL-degrading bacteria, the almost full 16S rRNA gene sequences (≈1,500 bp) were determined.