Reanalysis of Tyrannosaurus rex Mass Spectra.
Abstract
Asara et al. reported the detection of collagen peptides in a 68-million-year-old Tyrannosaurus rex bone by shotgun proteomics. This finding has been called into question as a possible statistical artifact. We reanalyze Asara et al.’s tandem mass spectra using a different search engine and different statistical tools. Our reanalysis shows a sample containing common laboratory contaminants, soil bacteria, and bird-like hemoglobin and...
Paper Details
Title
Reanalysis of Tyrannosaurus rex Mass Spectra.
Published Date
Jul 27, 2009
Journal
Volume
8
Issue
9
Pages
4328 - 4332
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History