Research Interests
Current Research
Brief Professional Biosketch
Selected Publications
What We Do

 

 
Donna L. Bedard
Research Professor
 
Ph. D. University of Chicago
B. S. Jackson College, Tufts University
Molecular Environmental Microbiology
Environmental Biotechnology
Department of Biology
Rensselear Polytechnic Institute
110 8th St.
Troy, NY 12180

 

Office: MRC 236

Phone: 518-276-2912
e-mail:bedard@rpi.edu

 

Selected Publications (Out of more than 55 plus five patents):

D. L. Bedard, K. M. Ritalahti, and F.E. Löffler.  2007.  Dehaloccoides in Sediment-Free Mixed Cultures Metabolically Dechlorinate the Commercial Polychlorinated Biphenyl Mixture Aroclor 1260. Appl. Environ. Microbiol. In press.

D. L. Bedard, J.J. Bailey, B. L. Reiss, and  G.V.S. Jerzak. 2006. Development and  Characterization of Stable Sediment-Free Anaerobic Bacterial Enrichment Cultures that Dechlorinate Aroclor 1260.  Appl. Environ. Microbiol. 72:2460-2470. (Download)

D.L. Bedard, E. Pohl, J.J. Bailey, and A. Murphy.  Characterization of the PCB Substrate Range of Microbial Dechlorination Process LP. 2005. Environ. Sci. Technol. 39: 6831-6839. (Download)

D.L. Bedard, G.V.S. Jerzak, and J. J. Bailey. 2003. Strategies for Selective Enrichment of  Microorganisms Carrying Out Reductive Dechlorination of Polychlorinated Biphenyls in Freshwater Sediments.  Fresenius Environmental Bulletin. 12:276-285.

D. L. Bedard, "Polychlorinated Biphenyls in Aquatic Sediments: Environmental Fate and Outlook for Biological Treatment." In Dehalogenation: Microbial Processes and Environmental Applications, M. M. Häggblom and I. Bossert,  Kluwer Press, pp. 443-465 (2003).

K.A. DeWeerd and D. L. Bedard. 1999. The Use of Halogenated Benzoates and Other Halogenated Aromatic Compounds to Stimulate the Microbial Dechlorination of PCBs. Environ. Sci. Technol. 33:2057-2063. (Download)

Q. Wu, D. L. Bedard, and J. Wiegel. 1999. 2,6-Dibromobiphenyl Primes Extensive Dechlorination of Aroclor 1260 in Contaminated Sediment at 8 to 30ºC by Stimulating the Growth of Anaerobic PCB-Dehalogenating Microorganisms. Environ. Sci. Technol. 33: 595-602. (Download)

D. L. Bedard and H. M. Van Dort, 1998. Complete Reductive Dehalogenation of Brominated Biphenyls by Anaerobic Microorganisms in Sediment. Appl. Environ. Microbiol. 64:940-947. (Download)

D. L. Bedard, H.M. Van Dort, and K.A. DeWeerd. 1998. Brominated Biphenyls Prime Extensive Microbial Dechlorination of Aroclor 1260 in Housatonic River Sediment. Appl. Environ. Microbiol. 64: 1786-1795. (Download)

H. M. Van Dort, L.A. Smullen, R.J. May, and D.L. Bedard. 1997. Priming meta-Dechlorination of Polychlorinated Biphenyls that have Persisted in Housatonic River Sediments for Decades, Environ. Sci. Technol. 31:3300-3307. (Download)

D. L. Bedard, H.M. Van Dort, R.J. May, and L.A. Smullen, 1997. Enrichment of Microorganisms that Sequentially meta-, para-Dechlorinate the Residue of Aroclor 1260 in Housatonic River Sediment. Environ. Sci. Technol. 31:3308-3313. (Download)

Q. Wu, D.L. Bedard, and J. Wiegel, 1997. Temperature Determines the Pattern of Anaerobic Microbial Dechlorination of Aroclor 1260 Primed by 2,3,4,6-Tetrachlorobiphenyl in Woods Pond Sediment. Appl. Environ. Microbiol. 63:4818-4825. (Download)

Q. Wu, D.L. Bedard, and J. Wiegel, 1996. Influence of Incubation Temperature on the Microbial Reductive Dechlorination of 2,3,4,6-Tetrachlorobiphenyl in Two Freshwater Sediments,"  Applied and Environ. Microbiol. 62: 4174-4179. (Download)

L.C.M. Commandeur, R.J. May, H. Mokross, D.L. Bedard, W. Reineke, H.A.J. Govers, and J. R. Parsons, 1996. "Aerobic Degradation of Polychlorinated Biphenyls by Alcaligenes sp. JB1: Growth, Metabolites, and Enzymes," Biodegradation 7:435-443.

Q. Wu, D.L. Bedard, and J. Wiegel, 1996. Effect of Incubation Temperature on the Route of Microbial Reductive Dechlorination of 2,3,4,6-Tetrachlorobiphenyl in Polychlorinated Biphenyl (PCB)-Contaminated and PCB-Free Freshwater Sediments,” Appl. Environ. Microbiol. 63: 2836-2843. (Download)

D.L. Bedard, S.C. Bunnell, and L.A. Smullen, 1996. Stimulation of Microbial para Dechlorination of Polychlorinated Biphenyls That Have Persisted in Housatonic River Sediment for Decades, Environ. Sci. Technol., 30, 687-694. (Download)

D.L. Bedard and R. J. May, 1996. Characterization of the Polychlorinated Biphenyls (PCBs) in the Sediments of Woods Pond: Evidence for Microbial Dechlorination in situ. Environ. Sci. Technol., 30, 237-245. (Download)

D.L. Bedard, L.A. Smullen, K.A. DeWeerd, D.K. Dietrich, G.M. Frame, R.J. May, J.M. Principe, T.O. Rouse, W.A. Fessler, and J.S. Nicholson, 1995. Chemical Activation of Microbially-Mediated PCB Dechlorination: A Field Study. Organohalogen Compounds, 24, 23-28.

D. L. Bedard and J.F. Quensen III, 1995. Microbial Reductive Dechlorination of Polychlorinated Biphenyls, in Microbial Transformation and Degradation of Toxic Organic Chemicals, (eds.) L.Y. Young and C. E. Cerniglia, Wiley-Liss Division, John Wiley & Sons, Inc., New York, pp. 127-216.

H.M. Van Dort and D.L. Bedard, 1991. Reductive ortho and meta Dechlorination of a Polychlorinated Biphenyl Congener by Anaerobic Microorganisms," Appl. Environ. Microbiol. 57, 1576-1578. (Download)

D. L. Bedard and M.L. Haberl, 1990. Influence of Chlorine Substitution Pattern on the Degradation of Polychlorinated Biphenyls by Eight Bacterial Strains, Microbial Ecology, 20, 87-102.

J.F. Brown, Jr., D. L. Bedard, M.J. Brennan, J.C. Carnahan, H. Feng, and R.E. Wagner. 1987. Polychlorinated Biphenyl Dechlorination in Aquatic Sediments. Science 236, 709-712.

J.F. Brown Jr., R.E. Wagner, H. Feng, D.L. Bedard, M.J. Brennan, J.C. Carnahan, and R.J May, 1987. Environmental Dechlorination of PCBs, Environ. Toxicol. Chem. 6, 579-593.

D.L.Bedard, R.E. Wagner, M.J. Brennan, M.L. Haberl, and J.F. Brown, Jr., 1987.  Extensive Degradation of Aroclors and Environmentally Transformed Poly­chlorinated Biphenyls by Alcaligenes eutrophus H850. Appl. Environ. Microbiol. 53, 1094-1102. (Download)

D. L. Bedard, M.L. Haberl, R.J. May, and M.J. Brennan. 1987. Evidence for Novel Mechanisms of Polychlorinated Biphenyl Metabolism in Alcaligenes eutrophus H850. Appl. Environ. Microbiol. 53, 1103-1112. (Download)

D. L. Bedard, R. Unterman, L.H. Bopp, M.J. Brennan, M.L. Haberl and C. Johnson, 1986. Rapid Assay for Screening and Characterizing Microorganisms for the Ability to Degrade Polychlorinated Biphenyls. Appl. Environ. Microbiol. 51, 761-768. (Download)