Research Interests

Biomarker Taphonomy; Origins of Life


Education

Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

Ph.D., Geochemistry, February, 2023

Thesis: Experiments on Biomarker Preservation

Supervisor: Dr. Roger E. Summons
Coursework: Microbial Physiology, Molecular Biogeochemistry, The Phylogenomic Planetary Record, Stable Isotope Fractionation, Field Geobiology, Mass Spectrometry for Geobiologists, Differential Equations, Introduction to Computer Science and Programming in Python

Brown University, Providence, Rhode Island, USA

Sc.B., Geological Sciences, May, 2011
Coursework: Planetary Geology, Stratigraphy and Sedimentation, Mineralogy, Petrology, Global Environmental Remote Sensing, Structural Geology, Geochemistry, Evolution of a Habitable Planet, Limnology, Physical Processes in Geology, Fossil Record, Oceanography, Ocean Biogeochemical Cycles, Evolution of the Lacustrine Ecosystem, Biochemistry, General and Organic Chemistry, Single Variable Calculus, Basic Physics


Research Experience

Solar System Exploration Division

Goddard Space Flight Center, Greenbelt, Maryland, USA, February 2023 - Present

Postdoctoral Fellow

  • Characterize organic composition of returned samples

  • Investigate parent-body processes and prebiotic synthesis of organic compounds

Department of Earth, Atmospheric and Planetary Sciences

Massachusetts Institute of Technology, Cambridge, Massachusetts, USA, August 2017 - January 2023

Graduate Student

  • Investigate the diversity of early diagenetic processes leading to kerogen formation in different environmental settings

  • Constrain the environmental settings for the origin of life via the RNA World through oligomer stability and nucleotide polymerization under simulated early Earth and Mars conditions

Department of Molecular Biology

Massachusetts General Hospital, Boston, Massachusetts, USA, March 2015 - July 2017

Junior Researcher

  • Aid in the development of a nanopore-based metagenomics instrument for future life-detection missions on Mars

  • Reproduce synthetic Mars analog soils from in-situ Mars rover and lander mineralogical analyses

  • Develop novel nucleic acid extraction and library preparation assays for sequencing microbes in low-biomass and recalcitrant synthetic Mars analog soils

Lamont-Doherty Earth Observatory

Columbia University, New York, New York, USA, August 2012 - July 2014

Research Staff Assistant

  • Curated and archived rock samples and sediment cores in the LDEO Core Repository collection

  • Assisted investigators from the national and international geoscience community in the planning and execution of sample collection activities, including sea-going expeditions

  • Educated teachers, students, and the public about the importance of the Core Repository for developing a better understanding of Earth processes such as climate change, ocean acidification and tectonics


Honors and Awards

NASA Postdoctoral Program (NPP) Fellowship, July 2022 Cycle

American Philosophical Society Lewis and Clark Field in Astrobiology Scholar, Summer 2020

Department of Earth, Atmospheric and Planetary Science Fellow, Fall 2019 - 2020

National Ocean Sciences Accelerator Mass Spectrometry (NOSAMS) Graduate Student Intern, Fall 2019

Massachusetts Institute of Technology Dean of Science Fellow, Fall 2017 - 2020

National Science Foundation Research Experience for Undergraduates, Bigelow Laboratory for Ocean Sciences, Summer 2010


Journal Publications

Mojarro, A., A. Buch, J. P. Dworkin, J. L. Eigenbrode, C. Freissinet, D. P. Glavin, M. Millan, C. Szopa, A. J. Williams, & R. E. Summons. Murchison Meteorite Analysis using Tetramethylammonium Hydroxide (TMAH) Thermochemolysis under Simulated Sample Analysis at Mars (SAM) Pyrolysis-Gas Chromatography-Mass Spectrometry Conditions. JGR: Planets, 2023, PDF, https://doi.org/10.1029/2023JE007968

Mojarro, A., X. Cui, X. Zhang, A. B. Jost, K. D. Bergmann, J. Vinther, & R. E. Summons. Comparative Soft-Tissue Preservation in Holocene-age Capelin Concretions. Geobiology, 2021, PDF, SI, https://doi.org/10.1111/gbi.12480

Mojarro, A., L. Jin, J. W. Szostak, J. W. Head III, & M. T. Zuber. In Search of the RNA World on Mars. Geobiology, 2021, PDF, https://doi.org/10.1111/gbi.12433

Mojarro, A., J. Hachey , R. Bailey, M. Brown, R. Doebler, G. Ruvkun, M. T. Zuber, & C. E. Carr. Nucleic Acid Extraction and Sequencing from Low-Biomass Synthetic Mars Analog Soils for In Situ Life Detection. Astrobiology, 2019, PDF, https://doi.org/10.1089/ast.2018.1929

Mojarro, A., J. Hachey ,G. Ruvkun, M. T. Zuber, & C. E. Carr. CarrierSeq: A Sequence Analysis Workflow for Low-Input Nanopore Sequencing. BMC Bioinformatics, 2018, PDF, https://doi.org/10.1186/s12859-018-2124-3

Mojarro, A., G. Ruvkun, M. T. Zuber, & C. E. Carr. Nucleic Acid Extraction from Synthetic Mars Analog Soils for In Situ Life detection. Astrobiology, 2017, PDF, https://doi.org/10.1089/ast.2016.1535

Bova, S. C., T. D. Herbert, Y. Rosenthal, J. Kalansky, M. Altabet, C. Chazen, A. Mojarro, & J. Zech. Upward-Propagating Change in Eastern Equatorial Pacific Intermediate Water Heat and Carbon Content During Deglaciation. Paleoceanography, 2015, PDF, https://doi.org/10.1002/2015PA002816


Languages

Spanish Native Speaker


Computer Skills

Programming Languages: HTML, Bash, Python

Bioinformatics: QC, Assembly, Binning, Annotation, Taxonomy, Phylogeny

Applications: Microsoft Suite, Adobe Creative Suite, Final Cut, Logic Pro, Pro Tools


Benchtop Skills

Instruments: MinION, GC-FID, GC-MS, GC-MS/MS, py-GC-MS, py-GC-MS/MS

Protocols: DNA and RNA extraction and purification, library preparation, PCR, rtPCR, ddPCR, protein extraction and purification, gel electrophoresis, lipid extraction and derivatization, column chromatography