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Oxytropidoceras posted a topic in Fossil NewsCould proteins found in dinosaur fossils come from microbes? A new study continues the debate over whether or not scientists have discovered fragments of actual dino proteins by Laura Howes, Chemical & Engineering News https://cen.acs.org/analytical-chemistry/art-&-artifacts/proteins-found-dinosaur-fossils-come-from-microbes/97/i27 Evan T Saitta, Renxing Liang, Maggie CY Lau, Caleb M Brown, Nicholas R Longrich, Thomas G Kaye, Ben J Novak, Steven L Salzberg, and Mark A Norell. 2019. Cretaceous dinosaur bone contains recent organic material and provides an environment conducive to microbial communities. eLife https://elifesciences.org/articles/46205 Raphael Eisenhofer and Alan Cooper. 2019. Fossils: A new home for microbes. eLife https://elifesciences.org/articles/48493 An opposing open access paper is: Schweitzer, M.H., Schroeter, E.R., Cleland, T.P. and Zheng, W., 2019. Paleoproteomics of Mesozoic dinosaurs and other Mesozoic fossils. Proteomics, p.1800251. https://onlinelibrary.wiley.com/doi/abs/10.1002/pmic.201800251 Yours, Paul H.
Biochemical 'fossil' shows how life may have emerged without phosphate, Cell Press, March 2, 2017 https://www.sciencedaily.com/releases/2017/03/170302133445.htm https://phys.org/news/2017-03-biochemical-fossil-life-emerged-phosphate.html the paper is: Goldford, J. E., H. Hartman, T. F. Smith, and D. Segrè, 2017, Remnants of an Ancient Metabolism without Phosphate Cell, Published Online: March 02, 2017, Open Access DOI: http://dx.doi.org/10.1016/j.cell.2017.02.001 http://www.cell.com/cell/abstract/S0092-8674(17)30133-2 Yours, Paul H.