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