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Jennifer G. Becker, Ph.D.

Microbial Ecology and Kinetics of Chlorinated Aliphatic Solvent Biodegradation

Project Title: PECASE: Integrated Modeling and Experimental Evaluations of Competition between PCE-Dehalogenating Populations: Implications for In Situ Bioremediation

Funding: National Science Foundation

Description:

When multiple dehalorespiring populations are present, several competitive (or complementary) interactions may occur and affect the outcome of bioremediation (Becker, 2006).Dehalorespiring population

The inhibitive effects of chlorinated solvents on complete detoxification of the contaminants may also be compounded in cultures containing multiple dehalorespiring populations (Lai and Becker, 2013)

.chlorinated solvents

Students:

  • Deyang Huang (Ph.D., 2009)

  • YenJung Lai (Ph.D. 2010)

Deyang Huang and YenJung Lai

Related manuscripts:

  • Becker, J.G. 2006. A modeling study and implications of competition between Dehalococcoides ethenogenes and other tetrachloroethene-respiring bacteria. Environmental Science & Technology. 40(14):4473-4480. Link
  • Huang, D. and J. G. Becker. 2009. Determination of intrinsic Monod kinetic parameters for two heterotrophic tetrachloroethene (PCE)-respiring strains and insight into their application. Biotechnology and Bioengineering. 104(2):301-311. Link
  • Huang, D. and J. G. Becker. 2011. Dehalorespiration model that incorporates the self-inhibition and biomass inactivation effects of high tetrachloroethene concentrations. Environmental Science & Technology. 45(3):1093-1099. Link
  • Lai, Y., and J. G. Becker. 2013. Compounded effects of chlorinated ethene inhibition on ecological interactions and population abundance in a Dehalococcoides–Dehalobacter co-culture. Environmental Science & Technology. 47:1518-1525. Link
  • Huang, D., Y. Lai, and J. G. Becker. In Press. Impact of initial conditions on extant kinetic parameter determination: Application to tetrachloroethene (PCE) dehalorespiration kinetics. Applied Microbiology and Biotechnology. DOI: 10.1007/s00253-013-5171-8. Link