Amino acids have been identified in extraterrestrial materials such as meteorites and returned samples from asteroids and comets. Some of these amino acids or their precursors may have formed on icy interstellar dust grains or at a later phase when these grains became incorporated into larger parent bodies. In this work, we simulated parent body aqueous alteration of the residues from irradiated interstellar ice analogs in the presence of relevant minerals (pulverized serpentinite and Allende meteorite). We tracked the change in amino acid abundances as a function of hydrothermal processing time and examined how these differed based on the presence of minerals. We find that the presence of minerals and their mineralogy can have a significant impact on the formation and destruction of amino acids during simulated aqueous alteration experiments.

Christopher K. Materese

José C. Aponte

Hannah L. McLain

Kendra K. Farnsworth

Patrick D. Tribbett

Frank T. Ferguson

Christine A. Knudson

Amy C. McAdam

Michael T. Thorpe

Jason P. Dworkin

Astrobiology

ASTROBIOLOGY 是被引用次数最多的同行评审期刊，致力于了解生命的起源、进化和宇宙中的分布，重点关注行星际探索和实验室研究的新发现和发现。ASTROBIOLOGY 覆盖范围包括：天体物理学；天体古生物学; 行星; 生物天文学; 宇宙化学; 生态基因组学; 外星生物学; 极端微生物; 地球微生物学; 引力生物学; 生命探测技术; 陨石学; 行星地球科学; 行星保护; 益生元化学; 空间探索技术; 地球化

Astrobiology is the most cited peer-reviewed journal dedicated to understanding the origin, evolution, and distribution of life in the universe. It focuses on new discoveries in planetary exploration and laboratory research. The scope of Astrobiology includes: astrophysics, astrobiology, planets, bioastronomy, astrochemistry, ecological genomics, exobiology, extremophiles, earth microbiology, gravitational biology, life detection technologies, meteoritics, planetary earth sciences, planetary protection, prebiotic chemistry, space exploration technologies, and geochemistry.

《Astrobiology》是引用次数最多的同行评审期刊，专注于生命的起源、进化及其在宇宙中的分布。期刊特别关注行星际探索和实验室研究中的新发现。其覆盖范围包括：天体物理学、天体古生物学、行星、生物天文学、宇宙化学、生态基因组学、外星生物学、极端微生物、地球微生物学、引力生物学、生命探测技术、陨石学、行星地球科学、行星保护、益生元化学、空间探索技术及地球化学。

Category	Quartile
物理与天体物理	3
物理与天体物理, 天文与天体物理	2
物理与天体物理, 生物学	3
物理与天体物理, 地球科学综合	3

Simplified Meteorite Parent Body Alteration of Amino Acids by Hydrothermal Processes

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Journal Info

Category	Quartile
GEOSCIENCES, MULTIDISCIPLINARY	1