Rebecca Parales

image of Rebecca Parales



Microbiology and Molecular Genetics

Offices and Labs

226 Briggs Hall


1993 PhD Microbiology Cornell University
1981 BS Chemistry University of Connecticut

Research Interests

Bacterial degradation of aromatic hydrocarbons and man-made environmental pollutants. Bacterial chemotaxis to pollutants and man-made chemicals.

Department and Center Affiliations

Microbiology & Molecular Genetics


American Society for Microbiology

CBS Grad Group Affiliations

Biochemistry, Molecular, Cellular and Developmental Biology

Specialties / Focus

Biochemistry, Molecular, Cellular and Developmental Biology
  • Biochemistry
  • Molecular Genetics
  • Gene Regulation
  • Molecular Microbiology

Graduate Groups not Housed in CBS



225 Briggs Hall

Teaching Interests

Bacterial diversity and physiology


MIC 105 Microbial Diversity (Winter)
MIC 105L Microbial Diversity Laboratory (Winter)
MIC 200B Advanced Bacteriology (Winter)
MIC 104L General Bact Lab (Fall)


9/12/2017 4:02:41 PM

    J.G. Hughes, X. Zhang, J.V. Parales, J.L. Ditty and R.E. Parales. 2017. Pseudomonas putida F1

    uses energy taxis to sense hydroxycinnamic acids. Microbiology (in press).

  • Z. Huang, B. Ni, C.-Y. Jiang, Y.-F. Wu, Y.-Z. He, R.E. Parales, and S.-J. Liu. 2016. Direct sensing and signal transduction during bacterial chemotaxis towards aromatic compounds in Comamonas testosteroni Mol. Microbiol. 101:224-237.

  • R.A. Luu, J. Kootstra, C. Brunton, V. Nersteryuk, J.V. Parales, J.L. Ditty and R.E. Parales. 2015. Integration of chemotaxis, transport, and catabolism in Pseudomonas putida and identification of the aromatic acid chemoreceptor PcaY. Mol. Microbiol. 96:134-147.

  • R.E. Parales, R.A. Luu, J.G. Hughes, and J.L. Ditty. 2015. Chemotaxis to xenobiotic chemicals and naturally-occurring analogs. Curr. Opin. Biotechnol. 33:318-326.

  • K.M. Mahan, J.T. Penrod, R. Truong, W.A. Tan, N. Al Kass, J.V. Parales, K.-S. Ju, and R.E. Parales. 2015. Selection for growth of 2-nitrotoluene degrading Acidovorax sp. strain JS42 on 3-nitrotoluene identifies nitroarene dioxygenases with altered specificities. Appl. Environ. Microbiol. 81:309-319.

  • R.E. Parales, V. Nesteryuk, J.G. Hughes, R.A Luu, and J.L. Ditty. 2014. The cytosine chemoreceptor McpC in Pseudomonas putida F1 also detects nicotinic acid. Microbiology 160:2660-2669.

  • R.A. Luu, B.J. Schneider, C.C. Ho, V. Nesteryuk, S.E. Ngwesse, X. Liu, J.V. Parales, J.L. Ditty and R.E. Parales. 2013. Taxis to phenylacetic acid by Pseudomonas putida F1 is mediated by the energy taxis receptor Aer2. Appl. Environ. Microbiol. 79:2416-2423.
  • C.A. Rabinovitch-Deere and R.E. Parales. 2012. Acidovorax sp. strain JS42 uses three types of taxis to respond to 2-nitrotoluene. Appl. Environ. Microbiol. 78:2308-2315.
  • K.-S. Ju and R.E. Parales. 2011. Evolution of a new bacterial pathway for 4-nitrotoluene degradation. Mol. Microbiol. 82:355-364.
  • K.-S. Ju and R.E. Parales. 2010. Nitroaromatic compounds, from synthesis to biodegradation. Microbiol. Mol. Biol. Rev. 74: 250-272.