Analyses of Soft Tissue from Tyrannosaurus rex Suggest the Presence of Protein Export

@article{citeulike:1238618, abstract = {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 about evolutionary relationships, rates, and patterns of molecular change and degradation, as well as the chemical stability of molecules over time. 10.1126/science.1138709}, author = {Schweitzer, Mary H. and Suo, Zhiyong and Avci, Recep and Asara, John M. and Allen, Mark A. and Arce, Fernando T. and Horner, John R.}, citeulike-article-id = {1238618}, citeulike-linkout-0 = {http://dx.doi.org/10.1126/science.1138709}, citeulike-linkout-1 = {http://www.sciencemag.org/cgi/content/abstract/316/5822/277}, citeulike-linkout-2 = {http://view.ncbi.nlm.nih.gov/pubmed/17431179}, citeulike-linkout-3 = {http://www.hubmed.org/display.cgi?uids=17431179}, day = {13}, doi = {10.1126/science.1138709}, journal = {Science}, keywords = {ancient-proteomics, forensic}, month = {April}, number = {5822}, pages = {277--280}, posted-at = {2007-04-20 11:29:41}, priority = {2}, title = {Analyses of Soft Tissue from Tyrannosaurus rex Suggest the Presence of Protein}, url = {http://dx.doi.org/10.1126/science.1138709}, volume = {316}, year = {2007} }

TY - JOUR ID - citeulike:1238618 L3 - citeulike-article-id:1238618 N2 - 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 about evolutionary relationships, rates, and patterns of molecular change and degradation, as well as the chemical stability of molecules over time. 10.1126/science.1138709 IS - 5822 JF - Science EP - 280 TI - Analyses of Soft Tissue from Tyrannosaurus rex Suggest the Presence of Protein VL - 316 SP - 277 KW - ancient-proteomics KW - forensic AU - Schweitzer, Mary AU - Suo, Zhiyong AU - Avci, Recep AU - Asara, John AU - Allen, Mark AU - Arce, Fernando AU - Horner, John PY - 2007/04/13/ UR - http://dx.doi.org/10.1126/science.1138709 ER -