Comment on "Protein Sequences from Mastodon and Tyrannosaurus rex Revealed by Mass Spectrometry".

Research output: Contribution to journal › Journal article › Research › peer-review

  • Mike Buckley
  • Angela Walker
  • Simon Y W Ho
  • Yue Yang
  • Colin Smith
  • Peter Ashton
  • Jane Thomas Oates
  • Hannah Koon
  • Kirsty Penkman
  • Ben Elsworth
  • Dave Ashford
  • Caroline Solazzo
  • Phillip Andrews
  • John Strahler
  • Beth Shapiro
  • Peggy Ostrom
  • Hasand Gandhi
  • Webb Miller
  • Brian Raney
  • Maria Ines Zylber
  • Richard V Prigodich
  • Michael Ryan
  • Kenneth F Rijsdijk
  • Anwar Janoo
  • Matthew J Collins
We used authentication tests developed for ancient DNA to evaluate claims by Asara et al. (Reports, 13 April 2007, p. 280) of collagen peptide sequences recovered from mastodon and Tyrannosaurus rex fossils. Although the mastodon samples pass these tests, absence of amino acid composition data, lack of evidence for peptide deamidation, and association of alpha1(I) collagen sequences with amphibians rather than birds suggest that T. rex does not.
Udgivelsesdato: 2008-Jan-4
Original languageEnglish
JournalScience
Volume319
Issue number5859
Pages (from-to)33
ISSN0036-8075
DOIs
Publication statusPublished - 2008

Bibliographical note

Keywords: Amino Acid Sequence; Animals; Bone and Bones; Collagen; Dinosaurs; Elephants; Fossils; Mass Spectrometry; Phylogeny

ID: 3848350