Abundant extraterrestrial purine nucleobases in the Murchison meteorite: Implications for a unified mechanism for purine synthesis in carbonaceous chondrite parent bodies
Toshiki Koga, Yoshinori Takano, Yasuhiro Oba, Hiroshi Naraoka, Naohiko Ohkouchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 October 2023 LINK “Extraterrestrial nucleobases are of key interest owing to their implications for the…
Uracil in the carbonaceous asteroid (162173) RyuguOPEN ACCESS
Yasuhiro Oba, Toshiki Koga, Yoshinori Takano, Nanako O. Ogawa, Naohiko Ohkouchi, Kazunori Sasaki, Hajime Sato, Daniel P. Glavin, Jason P. Dworkin, Hiroshi Naraoka, Shogo Tachibana, Hisayoshi Yurimoto, Tomoki Nakamura, Takaaki Noguchi, Ryuji Okazaki, Hikaru Yabuta,…
Identifying the wide diversity of extraterrestrial purine and pyrimidine nucleobases in carbonaceous meteoritesOPEN ACCESS
Yasuhiro Oba, Yoshinori Takano, Yoshihiro Furukawa, Toshiki Koga, Daniel P. Glavin, Jason P. Dworkin & Hiroshi Naraoka Nature Communications, Volume 13, Article number: 2008Published: 26 April 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) Supplementary Information “The…
Ribose Synthesis in Carbonaceous PlanetesimalsOPEN ACCESS
Klaus Paschek, Kai Kohler, Ben K. D. Pearce, Kevin Lange, Thomas K. Henning, Oliver Trapp, Ralph E. Pudritz, and Dmitry A. Semenov Life 2022, 12(3), 404Published: 10 March 2022 LINK (OPEN ACCESS)PDF (DOWNLOAD) “The origin…
Meteorites and the RNA world: Synthesis of Nucleobases in Carbonaceous Planetesimals and the Role of Initial Volatile ContentOPEN ACCESS
Klaus Paschek, Dmitry A. Semenov, Ben K. D. Pearce, Kevin Lange, Thomas K. Henning, Ralph E. Pudritz Submitted to The Astrophysical Journal PDF (OPEN ACCESS) Update (10 January 2023): The Astrophysical Journal, Volume 942, Number…
Origin of the RNA world: The fate of nucleobases in warm little ponds
Ben K. D. Pearce, Ralph E. Pudritz, Dmitry A. Semenov, and Thomas K. Henning 10.1073/pnas.1710339114 PNAS October 2, 2017 LINK “Before the origin of simple cellular life, the building blocks of RNA (nucleotides) had to…
Meteorites and the RNA World: A Thermodynamic Model of Nucleobase Synthesis within PlanetesimalsOPEN ACCESS
Pearce Ben K. D. and Pudritz Ralph E. Astrobiology November 2016, 16(11): 853-872. doi:10.1089/ast.2015.1451. Online Ahead of Print: November 9, 2016 PDF (OPEN ACCESS) LINK “The possible meteorite parent body origin of Earth’s pregenetic nucleobases…
A contamination assessment of the CI carbonaceous meteorite Orgueil using a DNA-directed approach.
Aerts, J. W., Elsaesser, A., Röling, W. F. M. and Ehrenfreund, P. Meteoritics & Planetary Science. doi: 10.1111/maps.12629 LINK “The Orgueil meteorite has become one of the most well-studied carbonaceous meteorites, after it fell in…
