NASA Astrobiology

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Emerging Trends in Comet Taxonomy. “Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013.” in Icarus

Cycles of Glaciation on Ancient Mars. “Climate Cycling on Early Mars Caused by the Carbonate-Silicate Cycle” in Earth and Planetary Astrophysics.

Methane Muted: How Did Early Earth Stay Warm?. “A proper accounting of biogeochemical cycles in the oceans reveals that methane has a much more powerful foe than oxygen.” in PNAS

Emerging Trends in Comet Taxonomy“Emerging trends and a comet taxonomy based on the volatile chemistry measured in thirty comets with high-resolution infrared spectroscopy between 1997 and 2013.” in Icarus01/03

Cycles of Glaciation on Ancient Mars“Climate Cycling on Early Mars Caused by the Carbonate-Silicate Cycle” in Earth and Planetary Astrophysics.02/03

Methane Muted: How Did Early Earth Stay Warm?“A proper accounting of biogeochemical cycles in the oceans reveals that methane has a much more powerful foe than oxygen.” in PNAS03/03

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April 2020Defining Lyfe in the Universe: From Three Privileged Functions to Four Pillars

Bartlett, S., & Wong, M. L. (2020). Defining Lyfe in the Universe: From Three Privileged Functions to Four Pillars. Life, 10(4), 42. doi:10.3390/life10040042

Retrograde-rotating Exoplanets Experience Obliquity Excitations in an Eccentricity-enabled Resonance

Kreyche, S. M., Barnes, J. W., Quarles, B. L., Lissauer, J. J., Chambers, J. E., & Hedman, M. M. (2020). Retrograde-rotating Exoplanets Experience Obliquity Excitations in an Eccentricity-enabled Resonance. The Planetary Science Journal, 1(1), 8. doi:10.3847/psj/ab8198

Origin and age of metal veins in Canyon Diablo graphite nodules

Hilton, C. D., Ash, R. D., Piccoli, P. M., Kring, D. A., McCoy, T. J., & Walker, R. J. (2020). Origin and age of metal veins in Canyon Diablo graphite nodules. Meteoritics & Planetary Science. doi:10.1111/maps.13464

Diamond-graphene composite nanostructures

Németh, P., McColl, K., Smith, R. L., Murri, M., Garvie, L. A. J., Alvaro, M., … McMillan, P. F. (2020). Diamond-graphene composite nanostructures. Nano Letters. doi:10.1021/acs.nanolett.0c00556

New codons for efficient production of unnatural proteins in a semisynthetic organism

Fischer, E. C., Hashimoto, K., Zhang, Y., Feldman, A. W., Dien, V. T., Karadeema, R. J., … Romesberg, F. E. (2020). New codons for efficient production of unnatural proteins in a semisynthetic organism. Nature Chemical Biology. doi:10.1038/s41589-020-0507-z

Acid Experimental Evolution of the Haloarchaeon Halobacterium sp. NRC-1 Selects Mutations Affecting Arginine Transport and Catabolism

Kunka, K. S., Griffith, J. M., Holdener, C., Bischof, K. M., Li, H., DasSarma, P., … Slonczewski, J. L. (2020). Acid Experimental Evolution of the Haloarchaeon Halobacterium sp. NRC-1 Selects Mutations Affecting Arginine Transport and Catabolism. Frontiers in Microbiology, 11, None. doi:10.3389/fmicb.2020.00535

Infaunal augurs of the Cambrian explosion: An Ediacaran trace fossil assemblage from Nevada, USA

Tarhan, L. G., Myrow, P. M., Smith, E. F., Nelson, L. L., & Sadler, P. M. (2020). Infaunal augurs of the Cambrian explosion: An Ediacaran trace fossil assemblage from Nevada, USA. Geobiology. doi:10.1111/gbi.12387

Draft Genome Sequence of Desulfobacter hydrogenophilus DSM 3380, a Psychrotolerant Sulfate-Reducing Bacterium

Bertran, E., Ward, L. M., & Johnston, D. T. (2020). Draft Genome Sequence of Desulfobacter hydrogenophilus DSM 3380, a Psychrotolerant Sulfate-Reducing Bacterium. Microbiology Resource Announcements, 9(14), None. doi:10.1128/mra.00203-20

March 2020Synthesis and base-pairing properties of pyrazine nucleic acids

Gately, M., Wong, S., Peoples, J., Galamay, D., Delgado, G., Weber, A. L., & Campbell, T. (2020). Synthesis and base-pairing properties of pyrazine nucleic acids. Nucleosides, Nucleotides & Nucleic Acids, None, 1–26. doi:10.1080/15257770.2020.1711525

Draft Genome Sequence of Desulfurobacterium thermolithotrophum Strain HR11, a Novel Thermophilic Autotrophic Subspecies from a Deep-Sea Hydrothermal Vent

Holden, J. F., Bardwell, C. P., & Kashyap, S. (2020). Draft Genome Sequence of Desulfurobacterium thermolithotrophum Strain HR11, a Novel Thermophilic Autotrophic Subspecies from a Deep-Sea Hydrothermal Vent. Microbiology Resource Announcements, 9(13), None. doi:10.1128/mra.00167-20

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