ArticleNature communications2024
Primordial aqueous alteration recorded in water-soluble organic molecules from the carbonaceous asteroid (162173) Ryugu.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed.
- Direct observation of organic molecules in asteroid ryugu revealed by high-resolution atomic force microscope.Nature communications · 2026Article
- Distribution of extraterrestrial nucleobases, other N-heterocycles, and their precursors in a sample from asteroid Bennu.Communications chemistry · 2026Article
- Space ionizing radiation triggers the formation of peptides and organophosphates on olivine surfaces.Nature communications · 2026Article
- Abiotic sugar enantiomers in the CI carbonaceous chondrite Orgueil.Nature communications · 2026Article
- Potential metabolic viability on asteroid chemistry.Communications chemistry · 2026Article
- Article
- D-Amino acid analysis in solution using the photochemical properties of protonated adenosine.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2025Article
- Missing interstellar sulfur in inventories of polysulfanes and molecular octasulfur crowns.Nature communications · 2025Article
- Effects of hydrogen-bonded biological molecules on photochemical properties of tryptophan enantiomers probed by temperature-dependent ultraviolet photodissociation spectroscopy in the gas phase.Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology · 2025Article
- Abiotic origin of the citric acid cycle intermediates.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Primitive homochiral polyester formation driven by tartaric acid and calcium availability.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Abundant ammonia and nitrogen-rich soluble organic matter in samples from asteroid (101955) Bennu.Nature astronomy · 2025Article
- Breunnerite grain and magnesium isotope chemistry reveal cation partitioning during aqueous alteration of asteroid Ryugu.Nature communications · 2024Article
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43 authors.
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Abstract
We report primordial aqueous alteration signatures in water-soluble organic molecules from the carbonaceous asteroid (162173) Ryugu by the Hayabusa2 spacecraft of JAXA. Newly identified low-molecular-weight hydroxy acids (HO-R-COOH) and dicarboxylic acids (HOOC-R-COOH), such as glycolic acid, lactic acid, glyceric acid, oxalic acid, and succinic acid, are predominant in samples from the two touchdown locations at Ryugu. The quantitative and qualitative profiles for the hydrophilic molecules between the two sampling locations shows similar trends within the order of ppb (parts per billion) to ppm (parts per million). A wide variety of structural isomers, including α- and β-hydroxy acids, are observed among the hydrophilic molecules. We also identify pyruvic acid and dihydroxy and tricarboxylic acids, which are biochemically important intermediates relevant to molecular evolution, such as the primordial TCA (tricarboxylic acid) cycle. Here, we find evidence that the asteroid Ryugu samples underwent substantial aqueous alteration, as revealed by the presence of malonic acid during keto-enol tautomerism in the dicarboxylic acid profile. The comprehensive data suggest the presence of a series for water-soluble organic molecules in the regolith of Ryugu and evidence of signatures in coevolutionary aqueous alteration between water and organics in this carbonaceous asteroid.
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