Proteomics

Dataset Information

78

Ancient fossil sequencing - Interpreting sequences from mastodon and T


ABSTRACT: Not available

INSTRUMENT(S): LTQ Orbitrap, instrument model, LTQ

ORGANISM(S): Dinosauria   Tyrannosaurus rex  

TISSUE(S): Tissue Not Applicable To Dataset

DISEASE(S): Not Available

SUBMITTER: John Asara  

PROVIDER: PRD000074 | Pride | 2009-07-09

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
PRIDE_Exp_Complete_Ac_8633.xml.gz Xml
PRIDE_Exp_Complete_Ac_9284.xml.gz Xml
PRIDE_Exp_Complete_Ac_9285.xml.gz Xml
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Publications

Analyses of soft tissue from Tyrannosaurus rex suggest the presence of protein.

Schweitzer Mary Higby MH   Suo Zhiyong Z   Avci Recep R   Asara John M JM   Allen Mark A MA   Arce Fernando Teran FT   Horner John R JR  

Science (New York, N.Y.) 20070401 5822


We performed multiple analyses of Tyrannosaurus rex (specimen MOR 1125) fibrous cortical and medullary tissues remaining after demineralization. The results indicate that collagen I, the main organic component of bone, has been preserved in low concentrations in these tissues. The findings were independently confirmed by mass spectrometry. We propose a possible chemical pathway that may contribute to this preservation. The presence of endogenous protein in dinosaur bone may validate hypotheses a  ...[more]

Publication: 1/4

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