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Showing results for tags 'prebiotic'.
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A 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 membranes, University of Washington, August 12, 2019 https://www.sciencedaily.com/releases/2019/08/190812155502.htm The paper is: Caitlin E. Cornell, Roy A. Black, Mengjun Xue, Helen E. Litz, Andrew Ramsay, Moshe Gordon, Alexander Mileant, Zachary R. Cohen, James A. Williams, Kelly K. Lee, Gary P. Drobny, and Sarah L. Keller. Prebiotic amino acids bind to and stabilize prebiotic fatty acid membranes. PNAS, 2019 DOI: 10.1073/pnas.1900275116 https://www.pnas.org/content/early/2019/08/06/1900275116 Yours, Paul H.
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- abiogenesis
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Scientists identify protein that may have existed when life began The primordial peptide may have appeared 4 billion years ago Rutgers University, August 30, 2018 https://www.sciencedaily.com/releases/2018/08/180830180101.htm “The Primordial Protein” Could have Emerged Spontaneously on Earth–Scientists Close in on How Life Began, Daily Galaxy https://dailygalaxy.com/2018/08/the-primordial-protein-could-have-emerged-spontaneously-on-earth-scientists-close-in-on-how-life-began/ J. Dongun Kim, Douglas H. Pike, Alexei M. Tyryshkin, G. V. T. Swapna, Hagai Raanan, Gaetano T. Montelione, Vikas Nanda, Paul G. Falkowski. Minimal Heterochiral de Novo Designed 4Fe–4S Binding Peptide Capable of Robust Electron Transfer. Journal of the American Chemical Society, 2018; DOI: 10.1021/jacs.8b07553 https://pubs.acs.org/doi/10.1021/jacs.8b07553 https://www.ncbi.nlm.nih.gov/pubmed/30141918 Yours, Paul H.
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- archean
- origin of life
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