TABLE 3.
Correlation matrix for 1,4-dioxane concentrations and transcripts of select monooxygenase and dehydrogenase gene targets at different times during biodegradation of 1,4-dioxane in industrial activated sludge
| Target enzyme | Correlation witha: |
||||
|---|---|---|---|---|---|
| PrMO | ALDH | PHE | ADH | 1,4-Dioxane | |
| DXMO | 0.617 | 0.961** | −0.002 | 0.873** | −0.845* |
| PrMO | 0.556 | −0.524 | 0.634 | −0.614 | |
| ALDH | 0.171 | 0.876** | −0.852* | ||
| PHE | −0.178 | −0.103 | |||
| ADH | −0.737 | ||||
a
Expression of DXMO and ALDH was significantly correlated (boldface) with 1,4-dioxane biodegradation. *, P < 0.05; **, P < 0.01.