Induction of the tod operon by trichloroethylene in Pseudomonas putida TVA8.
Bioluminescence, mRNA levels, and toluene degradation rates in Pseudomonas putida TVA8 were measured as a function of various concentrations of toluene and trichloroethylene (TCE). TVA8 showed an increasing bioluminescence response to increasing TCE and toluene concentrations. Compared to uninduced TVA8 cultures, todC1 mRNA levels increased 11-fold for TCE-treated cultures and 13-fold for toluene-treated cultures. Compared to uninduced P. putida F1 cultures, todC1 mRNA levels increased 4.4-fold for TCE-induced cultures and 4.9-fold for toluene-induced cultures. Initial toluene degradation rates were linearly correlated with specific bioluminescence in TVA8 cultures.
Shingleton
J T
JT
Center for Environmental Biotechnology, The University of Tennessee, Knoxville, Tennessee 37996, USA.
Applegate
B M
BM
Nagel
A C
AC
Bienkowski
P R
PR
Sayler
G S
GS
D001673:Biodegradation, Environmental; D005786:Gene Expression Regulation / Q000187:drug effects*; D049449:Luminescence; D009876:Operon / Q000187:drug effects*; D016958:Pseudomonas putida / Q000235:genetics*; D012333:RNA, Messenger / Q000235:genetics; D014050:Toluene / Q000378:metabolism / Q000494:pharmacology; D014158:Transcription, Genetic / Q000187:drug effects; D014241:Trichloroethylene / Q000494:pharmacology*
D012333:RNA, Messenger; D014241:Trichloroethylene; D014050:Toluene