ArticleScience (New York, N.Y.)2008
Comment on "Protein sequences from mastodon and Tyrannosaurus rex revealed by mass spectrometry".
Article in Science (New York, N.Y.), 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
39 citing papers in PubMed.
- Collagen fingerprinting and sequence analysis provides a molecular phylogeny of extinct Australian megafauna.Proceedings. Biological sciences · 2025Article
- Exploring the mediating role of thyroid function in the effect of celiac disease on osteoporosis: A Mendelian randomization study.Medicine · 2025Article
- Fossilized dinosaur cells that defied the ravages of time - 20 years since a key discovery.Nature · 2025Article
- Evidence for Endogenous Collagen inAnalytical chemistry · 2025Article
- Taphonomic variation in vascular remains from Mesozoic non-avian dinosaurs.Scientific reports · 2025Article
- Preservation of proteins in the geosphere.Nature ecology & evolution · 2024Review
- Assessing the degradation of ancient milk proteins through site-specific deamidation patterns.Scientific reports · 2021Article
- Ancient protein analysis in archaeology.Science advances · 2021Review
- Phylogenetic and physiological signals in metazoan fossil biomolecules.Science advances · 2020Article
- Genome-centric resolution of novel microbial lineages in an excavated Centrosaurus dinosaur fossil bone from the Late Cretaceous of North America.Environmental microbiome · 2020Article
- A new home for microbes.eLife · 2019Article
- Article
- Domain-Specific Proteogenomic Analysis of Collagens to Evaluate De Novo Sequencing Results and Database Information.Journal of molecular evolution · 2018Article
- Second-harmonic generation imaging of collagen in ancient bone.Bone reports · 2017Article
- A fossil protein chimera; difficulties in discriminating dinosaur peptide sequences from modern cross-contamination.Proceedings. Biological sciences · 2017Article
- Expansion for the Brachylophosaurus canadensis Collagen I Sequence and Additional Evidence of the Preservation of Cretaceous Protein.Journal of proteome research · 2017Article
- Article
- Exploring the potential of public proteomics data.Proteomics · 2016Review
- Spectroscopic Studies on Organic Matter from Triassic Reptile Bones, Upper Silesia, Poland.PloS one · 2016Article
- Mass Spectrometry and Antibody-Based Characterization of Blood Vessels from Brachylophosaurus canadensis.Journal of proteome research · 2015Article
Corrections and comments
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Authors and funding
27 authors.
Funding
Abstract
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.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.