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Showing results for tags 'amino acids'.
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How did life begin?
Oxytropidoceras posted a topic in Fossil NewsHow did life begin? One key ingredient is coming into view A Nobel-prizewinning scientist’s team has taken a big step forward in its quest to reconstruct an early-Earth RNA capable of building proteins. Amber Dance, Nature News, February 28, 2023 Ancient protein study reveals how natural selection predates life itself By Michael Irving, News Atlas, February 28, 2023 Ancient protein study reveals how natural selection predates life itself John Hopkins University, February 28, 2023 One paper is: Makarov, M., Sanchez Rocha
Can Antarctic meteorite explain the mystery of life's weird asymmetry
Oxytropidoceras posted a topic in Fossil NewsAstonishingly old Antarctic space rock could explain mystery of life's weird asymmetry By Meghan Bartels, SpaceCom, August 21, 2020 https://www.space.com/pristine-antarctic-meteorite-amino-acid-chirality.html Pristine Space Rock Offers NASA Scientists Peek at Evolution of Life’s Building Blocks By Lonnie Shekhtman, NASA’s Goddard Space Flight Center, Greenbelt, Md., August 21, 2020 https://www.nasa.gov/feature/goddard/2020/pristine-space-rock-offers-nasa-scientists-peek-at-evolution-of-life-s-building-blocks The paper is: D
Ancient, endogenous amino acids reported from dinosaur eggshells (Río Colorado Formation, Auca Mahuevo, Argentina)
Oxytropidoceras posted a topic in Fossil NewsSaitta, E.T., Vinther, J., Crisp, M.K., Abbott, G.D., Kaye, T.G., Pittman, M., Bull, I., Fletcher, I., Chen, X., Collins, M.J. and Sakalauskaite, J., 2020. Non-avian dinosaur eggshell calcite contains ancient, endogenous amino acids. bioRxiv 2020.06.02.129999 preprint doi: https://doi.org/10.1101/2020.06.02.129999 https://www.biorxiv.org/content/10.1101/2020.06.02.129999v1 https://www.researchgate.net/publication/341881580_NON-AVIAN_DINOSAUR_EGGSHELL_CALCITE_CONTAINS_ANCIENT_ENDOGENOUS_AMINO_ACIDS https://www.researchgate.net/profile/Evan_Saitta
A New Clue to How Life Originated
Oxytropidoceras posted a topic in Fossil NewsA New Clue to How Life Originated A long-standing mystery about early cells has a solution— and it’s a rather magical one. Ed Young, The Atlantic https://www.theatlantic.com/science/archive/2019/08/interlocking-puzzle-allowed-life-emerge/595945/ Did Amino Acids Stabilize Prebiotic Membranes? A possible solution to a long-standing question about early cells Astrobiology at NASA https://astrobiology.nasa.gov/news/solving-a-long-standing-origin-of-life-puzzle/ First cells may have emerged because building blocks of proteins stabilized mem