CV

You can find a complete C.V. here: CV_EmmaBertran

EDUCATION AND TRAINING

2019  Postdoctoral Fellow, Department of Geosciences, Princeton University.                    

Project: In vitro quantification of the enzyme nitrogenase nitrogen isotope effect and contribution to net biological nitrogen fixation.

Advisor: Dr. Xinning Zhang

 2019  Ph.D. in Earth and Planetary Sciences, Harvard University.

Thesis: Cellular and intracellular insights into the main drivers of biogeochemical sulfur cycling: microbial sulfate reduction and sulfur disproportionation

Faculty Advisor: Prof. David T. Johnston

2014  M.S. in Earth Sciences, McGill University.

Thesis: Deconstructing the Dissimilatory Sulfate Reduction Pathway: Isotope Fractionation of a Mutant Unable of Growth on Sulfate

Faculty Advisor: Prof. Boswell Wing

2010  B.S. in Biology with a minor in Geology, McGill University.

PUBLICATIONS AND PRESENTATIONS

Published

Bertran E., Waldeck A., Wing B. A., Halevy I., Leavitt W. D., Bradley A. S., Johnston D. T. (2020) Oxygen isotope effects during microbial sulfate reduction: applications to sediment cell abundances The ISME Journal 

Bertran E., Ward L. M., Johnston D. T. (2020) Draft genome sequence of Desulfofundulus thermobenzoicus subsp. thermosyntrophicus DSM 14055, a moderately thermophilic sulfate reducer Microbiology Resource Annoucements

Bertran E., Ward L. M., Johnston D. T. (2020) Draft genome sequence of Acidianus ambivalens DSM 3772, an aerobic thermoacidophilic sulfur disproportionator Microbiology Resource Annoucements

Waldeck A.R., Cowie B.R., Bertran E., Wing B.A., Halevy I., Johnston D.T. (2019) Deciphering the atmospheric signal in marine sulfate oxygen isotope composition EPSL

Bertran E., Leavitt W. D., Pèllerin A., Zane G. M., Wall J. D., Johnston D. T., Wing B. A. (2018) Deconstructing the dissimilatory sulfate reduction pathway: Isotope fractionation of a mutant unable to grow on sulfate Frontiers in Microbiology 

In press

Bertran, E., Ward, L. M., Johnston, D. T. Draft genome sequence of Desulfobacter hydrogenophilus DSM3380, a psychrotolerant sulfate reducing bacterium Microbiology Resource Annoucements

Ward, L. M., Bertran, E., Johnston, D. T. Draft genome sequence of Desulfovibrio sulfodismutans ThAc01, a heterotrophic sulfur disproportionating member of the Desulfotobacterota Microbiology Resource Annoucements

Submitted

Ward, L. M., Bertran, E., Johnston, D. T. Genomic sequence analysis of Dissulfurirhabdus thermomarina SH388 and proposed reassignment to Dissulfurirhabdaceae fam. nov.

Ongoing work

Bertran E., Ward L. M., Kaçar B., Johnston D. T. Structural argument for the uniqueness of microbial sulfur disproportionation (in prep)

Bertran E. and Johnston D. T. Intracellular dynamics of sulfite and thiosulfate disproportionation: Insights from a thermodynamically rooted, isotope effect-calibrated model (in prep)

Bertran E., Ward L. M., and Johnston D. T. The Desulfobulbaceae family (in prep)

Invited Talks

Unique approaches for unique insights into the sedimentary biogeochemical sulfur cycle: Understanding the reductive and oxidative branches COG3 Seminar Series, Massachusetts Institute of Technology, Boston, Massachusetts, United States, 2019

Unique approaches for unique insights into the sedimentary biogeochemical sulfur cycle: Understanding the reductive and oxidative branches Division of Biology and Paleo Environment Seminar Series, Lamont-Doherty Earth Observatory, New York, United States, 2019

Conference Talks

Bertran E., Waldeck A., Wing B. A., Halevy I., Leavitt W. D., Bradley A. S., Johnston D. T. A mechanistic understanding of oxygen isotope effects during microbial sulfate reduction Goldschmidt Conference, Boston, Massachusetts, United States, 2018

Bertran E., Waldeck A., Wing B. A., Halevy I., Leavitt W. D., Bradley A. S., Johnston D. T. A mechanistic understanding of oxygen isotope effects during microbial sulfate reduction Geobiology Gordon Research Seminar, Galveston, Texas, United States, 2018

Bertran E., Waldeck A., Wing B. A., Halevy I., Leavitt W. D., Bradley A. S., Johnston D. T. A mechanistic understanding of oxygen isotope effects during microbial sulfate reduction Northeastern Geobiology Symposium, Woods Hole Oceanographic Institute, Woods Hole, Massachusetts, United States, 2018

Bertran E., Waldeck A., Wing B. A., Halevy I., Leavitt W. D., Bradley A. S., Johnston D. T. A mechanistic understanding of oxygen isotope effects during microbial sulfate reduction 5th International Symposium on Microbial Sulfur Metabolism, Vienna, Austria, 2018

TEACHING EXPERIENCE

Teaching Assistant

Responsibilities included developing section materials, leading section discussions, supervising labs, grading all assignments, and meeting with students individually.

  • Marine Geochemistry, Fall 2018, Harvard University; Instructor: David T. Johnston
  • Analytical and Field Methods in Geobiology, Winter 2017, Harvard University; Instructors: Ann Pearson, David T. Johnston
  • Geobiology and the History of Life, Winter 2016, Harvard University; Instructors: Andrew H. Knoll, David T. Johnston
  • The Terrestrial Planets, Winter 2013, McGill University; Instructor: Olivia Jensen
  • Sedimentary Geology, Fall 2012, McGill University; Instructor: Galen P. Halverson
  • Astrobiology, Winter 2011, McGill University; Instructor: Hojatollah Vali
  • Fundamentals of Thermodynamics, Fall 2011, McGill University; Instructor: Donald Baker

Guest lecturer

Marine Geochemistry, Harvard University, Fall 2018

Pedagogical Training

Bok Center Teaching Certificate Seminars.

  • Teaching as Storytelling
  • Crafting your Teaching Persona

Advising Experience

4 undergraduate students at Harvard University, 2013 through 2017