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M.S., Biological Sciences,

California Polytechnic State University, San Luis Obispo


Thesis: Analysis of Treatment Effects on the Microbial Ecology of the Gastrointestinal Tract  

B.S., Biological Sciences

California Polytechnic State University, San Luis Obispo


Concentration: Anatomy and Physiology

Minor: Biotechnology

Professional Experience

Lab Manager & Researcher

Energy Biosciences Institute, University of California, Berkeley

John D Coates Environmental Microbiology Lab


Research Associate (Microbial Ecology Program)

DOE Joint Genome Institute


Biological Science Laboratory Technician (Microbiology)

United States Department of Agriculture, Agricultural Research Service, Western Regional Research Center, Albany, CA


Research Associate

Environmental Biotechnology Institute, California Polytechnic State University, San Luis Obispo, CA


Teaching Associate

California Polytechnic State University, San Luis Obispo, CA

Micro 221: General Microbiology Lab for Science Majors

Bio 111: Introduction to Biology Lab for Non Majors

Bio 151: General Biology Lab for Science Majors


Peer-Reviewed Publications

Carlström C, Lucas L, Rohde R, Haratian A, Engelbrektson A, and Coates J (2016) Characterization of an anaerobic marine microbial community exposed to combined fluxes of perchlorate and salinity. Appl Microbiol Biotechnol. 2016 Sep 5.

Cheng Y, Hubbard C, Li L, Bouskill N, Molins S, Zheng L, Sonnenthal E, Conrad M, Engelbrektson A, Coates J, and  Ajo-Franklin J (2016) Reactive Transport Model of Sulfur Cycling as Impacted by Perchlorate and Nitrate Treatments. ES&T. 50:13.

Carlström C, Loutey D, Wang O, Engelbrektson A, Clark I, Lucas L, Somasekhar P, and Coates J (2015) Phenotypic and Genotypic Description of Sedimenticola selenatireducens Strain CUZ, a Marine (Per)Chlorate-Respiring Gammaproteobacterium, and Its Close Relative the Chlorate-Respiring Sedimenticola Strain NSS. AEM. 81:8.

Abdul Rahman N, Parks D, Willner D, Engelbrektson A, Goffredi S, Warnecke F, Scheffrahn R, and Hugenholtz P (2015) A molecular survey of Australian and North American termite genera indicates that vertical inheritance is the primary force shaping termite gut microbiomes. Microbiome. 3:1.

Carlson H, Kuehl J, Hazra A, Justice N, Stoeva M, Sczesnak A, Mullan M, Iavarone A, Engelbrektson A, Price M, Deutschbauer A, Arkin A, Coates J (2015) Mechanisms of direct inhibition of the respiratory sulfate-reduction pathway by (per)chlorate and nitrate. ISME J. 9:6.

Hubbard C, Cheng Y, Engelbrekston A, Druhan J, Li L, Ajo-Franklin J, Coates J and Conrad M (2014) Isotopic insights into microbial sulfur cycling in oil reservoirs. FMICB. 5: 480.

Engelbrektson A, Hubbard C, Tom L, Boussina A, Jin YT, Wong H, Piceno Y, Carlson H, Conrad M, Anderson G, Coates J (2014) Inhibition of microbial sulfate reduction in a flow-through column system by (per)chlorate treatment. FMICB. 5: 315.

Gregoire P, Engelbrektson A, Hubbard C, Metlagel Z, Csencsits R, Auer M, Conrad M, Thieme J, Northrup P and Coates J (2014) Control of sulfidogenesis through bio-oxidation of H2S coupled to (per) chlorate reduction. Environ. Microbiol. Rep. 6 i6: 558-564.

Clark I, Melnyk R, Engelbrektson A, and Coates J (2013) Structure and evolution of chlorate reduction composite transposons. mBio. 4 i4: e379-13.

Carlström C, Wang O, Melnyk R, Bauer S, Lee J, Engelbrektson A, Coates J (2013). Physiological and Genetic Description of Dissimilatory Perchlorate Reduction by the Novel Marine Bacterium Arcobacter sp Strain CAB. mBio: 4 i3:e217-13.

Lundberg D, Lebeis S, Herrera Paredes S, Yourstone S, Gehring J, Malfatti S, Tremblay J, Engelbrektson A, Kunin V, Glavina del Rio T, Edgar R, Eickhorst T, Ley R, Hugenholtz P, Tringe S, and Dangl J (2012) Defining the core Arabidopsis thaliana root microbiome. Nature. 488: 86-92.

Melnyk R, Engelbrektson A, Clark I, Carlson H, Byrne-Bailey K, and Coates J (2011) Identification of a Perchlorate Reduction Genomic Island with Novel Regulatory and Metabolic Genes. AEM. 20: 7401-4.

Engelbrektson A, Kunin V, Wrighton K, Zvenigorodsky N, Chen F, Ochman H, and Hugenholtz P (2010) Experimental factors affecting estimates of microbial species richness and evenness. ISME J. 5:642-7.

Kunin V, Engelbrektson A, Ochman H and Hugenholtz P (2010) Wrinkles in the rare biosphere: Pyrosequencing errors lead to artificial inflation of diversity estimates. Environ Microbiol. 12:118-23.

Engelbrektson AL, Korzenik JR, Pittler A, Sanders ME, Klaenhammer TR, and Kitts CL (2009) Probiotics to minimize the disruption of faecal microbiota in healthy subjects undergoing antibiotic therapy. J Med Microbiol. 58:663-70.

Tian P, Engelbrektson AL, Mandrell RE (2008) Seasonal tracking of histo-blood group antigen expression and norovirus binding in oyster gastrointestinal cells. J Food Prot. 71:1696-700.

Tian P, Engelbrektson AL, Mandrell RE (2008) Two-log increase in sensitivity for detection of norovirus in complex samples by concentration with porcine gastric mucin conjugated to magnetic beads. Appl Environ Microbiol. 74:4271-6.

Tian P, Engelbrektson AL, Jiang X, Zhong W, Mandrell RE (2007) Norovirus recognizes histo-blood group antigens on gastrointestinal cells of clams, mussels, and oysters: a possible mechanism of bioaccumulation. J Food Prot. 70:2140-7.

Tian P, Jiang X, Zhong W, Jensen HM, Brandl M, Bates AH, Engelbrektson AL, Mandrell R (2007) Binding of recombinant norovirus like particle to histo-blood group antigen on cells in the lumen of pig duodenum. Res Vet Sci. 83:410-8.

Engelbrektson AL, Korzenik JR, Sanders ME, Clement BG, Leyer G, Klaenhammer TR, and Kitts CL (2006) Analysis of Treatment Effects on the Microbial Ecology of the Gastrointestinal Tract. FEMS Microbiol Ecol. 57:239-250.

Book Chapters

Wrighton KC, Engelbrektson AL, Clark IC, Melnyk RA, and Coates JD (2011) Accentuate the Positive: Dissimilatory Iron Reduction by Gram-positive Bacteria. Environmental Microbe-Metal Interactions, 2nd edition. ASM Press.

Oral Presentations

Sweet and Sour: Attenuating Sulfidogenesis in a Soured Continuous Flow Column System. 5th International Symposium on Applied Microbiology and Molecular Biology in Oil Systems. Stavanger, Norway. June 2015.