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Works (19)
Updated: April 5th, 2024 08:49
2024 journal article
Characterization of Diagenetiforms in an Expanded Proteome of the Extinct Moa (Dinornithidae): Identifying Biological, Diagenetic, Experimental Artifact, and Mislabeled Modifications in Degraded Tissues
MINERALS, 14(2).
author keywords: paleoproteomics; diagenesis; post-translational modifications
TL;DR:
The modifications characterized in the bones of this specimen, both in collagens and in NCPs, provide insight into patterns of preservation and degradation that paleoproteomic studies can utilize when searching and interpreting data sets from fossil tissue.
(via Semantic Scholar)
doi.org (publisher)
Source: Web Of Science
Added: March 11, 2024
2024 review
Porphyrin-Based Molecules in the Fossil Record Shed Light on the Evolution of Life
[Review of ]. MINERALS, 14(2).
author keywords: molecular paleontology; heme; porphyrin; hemoglobin; evolution; chemical evolution; preservation
TL;DR:
The evolution and functional diversity of heme-bound hemoglobin proteins in vertebrates is discussed, along with the preservation of these molecules in the fossil record, which lays the groundwork necessary to explore hemoglobin as a means to investigate the paleobiology of extinct taxa, including non-avian dinosaurs.
(via Semantic Scholar)
Sources: Web Of Science, ORCID
Added: February 22, 2024
2022 journal article
Long-Term Retention of Diverse Paleontologists Requires Increasing Accessibility
FRONTIERS IN ECOLOGY AND EVOLUTION, 10.
author keywords: mentorship; accessibility; paleontology-general; equity; retention
UN Sustainable Development Goal Categories
5. Gender Equality
(Web of Science)
Source: Web Of Science
Added: July 18, 2022
2022 journal article
Soft Tissue and Biomolecular Preservation in Vertebrate Fossils from Glauconitic, Shallow Marine Sediments of the Hornerstown Formation, Edelman Fossil Park, New Jersey
BIOLOGY-BASEL, 11(8).
author keywords: soft tissues; molecular preservation; collagen; Hornerstown Formation; shallow marine; glauconite
TL;DR:
P paleomolecular analyses of shallow marine vertebrate fossils from the Cretaceous–Paleogene Hornerstown Formation, an 80–90% glauconitic greensand from Jean and Ric Edelman Fossil Park in Mantua Township, NJ, corroborate previous findings that original soft tissue and proteins can be recovered from fossils preserved in marine environments and expand the range of ancient environments documented to preserve original organics and soft tissues.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
15. Life on Land
(Web of Science)
Source: Web Of Science
Added: September 6, 2022
2022 journal article
Soft-Tissue, Rare Earth Element, and Molecular Analyses of Dreadnoughtus schrani, an Exceptionally Complete Titanosaur from Argentina
BIOLOGY-BASEL, 11(8).
author keywords: fossil proteins; molecular paleontology; diagenesis; taphonomy; rare earth elements; soft-tissue preservation; geochemistry
TL;DR:
The data show that original bone microstructures and protein are preserved in Dreadnoughtus, and that after burial, the specimen was exposed to weakly-oxidizing conditions and groundwaters rich in “light” REEs but experienced little further chemical alteration after this early stage of fossilization, supporting the idea that fossils showing lower concentrations of REEs are well suited for molecular analyses.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
Sources: Web Of Science, ORCID
Added: September 6, 2022
2021 article
Deep Time Paleoproteomics: Looking Forward
Schroeter, E. R., Cleland, T. P., & Schweitzer, M. H. (2021, December 17). JOURNAL OF PROTEOME RESEARCH, Vol. 12.
author keywords: paleoproteomics; deep time; dinosaurs; enamel; eggshell
MeSH headings : Animals; Archaeology; Dinosaurs; Fossils; Paleontology / methods; Proteins / analysis
TL;DR:
The history and current state of deep time paleoproteomics (DTPp), here defined as Paleoproteomic study of samples ∼1 million years (1 Ma) or more in age, is discussed and the future of DTPp research is discussed, including what the authors see as critical ways the field can expand, advancements in technology that can be utilized, and the types of questions DTPP can address.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(Web of Science)
Sources: Web Of Science, ORCID
Added: January 3, 2022
2021 journal article
Diagenetiforms: A new term to explain protein changes as a result of diagenesis in paleoproteomics
JOURNAL OF PROTEOMICS, 230.
author keywords: Diagenesis; Paleoproteomics; Diagenetiform; Top-down
MeSH headings : Preservation, Biological; Proteome; Proteomics
TL;DR:
The term diagenetiform provides the opportunity to communicate clearly the sets of diagenetic changes found on preserved proteins, and will allow for top-down paleoproteomic studies to accurately describe the total changes detected on ancient proteins.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(Web of Science)
Source: Web Of Science
Added: January 19, 2021
2020 journal article
Molecular tests support the viability of rare earth elements as proxies for fossil biomolecule preservation
SCIENTIFIC REPORTS, 10(1).
MeSH headings : Animals; Bone and Bones / chemistry; Dinosaurs; Fossils; Metals, Rare Earth / chemistry; Metals, Rare Earth / isolation & purification; Trace Elements / chemistry; Trace Elements / isolation & purification
TL;DR:
The results thereby support the utility of REE profiles as proxies for soft tissue and biomolecular preservation in fossil bones and draw predictions as to the biomolescular recovery potential of additional REE profile types exhibited by fossil bones.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(Web of Science)
Sources: Web Of Science, ORCID
Added: October 19, 2020
2019 journal article
Paleoproteomics of Mesozoic Dinosaurs and Other Mesozoic Fossils
PROTEOMICS, 19(16), 1800251.
author keywords: dinosaurs; fossil; mesozoic; protein; soft tissues
MeSH headings : Animals; Biological Evolution; Bone and Bones / anatomy & histology; Bone and Bones / metabolism; Dinosaurs / anatomy & histology; Dinosaurs / classification; Dinosaurs / metabolism; Fossils; Mass Spectrometry / methods; Paleontology / methods; Proteins / analysis; Proteomics / methods
TL;DR:
The power and potential of a molecular approach to Mesozoic fossils is discussed, and some criteria for assessing the presence of endogenous biomolecules in very ancient fossil remains are suggested as a starting framework for such studies.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, ORCID, Crossref
Added: July 22, 2019
2019 journal article
Proteomic method to extract, concentrate, digest and enrich peptides from fossils with coloured (humic) substances for mass spectrometry analyses
ROYAL SOCIETY OPEN SCIENCE, 6(8).
author keywords: palaeoproteomics; fossils; humic substances; protein; mass spectrometry; moa
TL;DR:
A method combining multiple recent advances in extraction protocols to both concentrate proteins from fossil specimens with high humic content and remove humics, producing clean samples easily analysed by mass spectrometry (MS).
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(Web of Science)
Sources: Web Of Science, ORCID
Added: September 23, 2019
2019 journal article
The molecular evolution of feathers with direct evidence from fossils
Proceedings of the National Academy of Sciences, 116(8), 3018–3023.
author keywords: feather evolution; keratin expression; fossil-feather ultrastructure; dinosaur-bird transition; biomechanical properties
MeSH headings : Animals; Birds; Dinosaurs; Evolution, Molecular; Feathers / chemistry; Feathers / ultrastructure; Fossils; Keratins / chemistry; Skin / chemistry; Skin / ultrastructure; beta-Keratins / chemistry
TL;DR:
It is confirmed here that feathers were modified at both molecular and morphological levels to obtain the biomechanical properties for flight during the dinosaur–bird transition, and it is shown that the patterns and timing of adaptive change at the molecular level can be directly addressed in exceptionally preserved fossils in deep time.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, ORCID, Crossref
Added: March 4, 2019
2018 review
A Comparison of Common Mass Spectrometry Approaches for Paleoproteomics
[Review of ]. JOURNAL OF PROTEOME RESEARCH, 17(3), 936–945.
author keywords: paleoproteomics; extraction-based proteomics; imaging proteomics; diagenesis
MeSH headings : Amino Acid Sequence; Animals; Archaeology / instrumentation; Archaeology / methods; Chromatography, Liquid / instrumentation; Chromatography, Liquid / methods; Extinction, Biological; Geologic Sediments / chemistry; Humans; Paleontology / instrumentation; Paleontology / methods; Preservation, Biological; Proteins / isolation & purification; Proteomics / instrumentation; Proteomics / methods; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization / instrumentation; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization / methods; Tandem Mass Spectrometry / instrumentation; Tandem Mass Spectrometry / methods
TL;DR:
A variety of mass spectrometry techniques that have or may be used to detect and characterize archeological and paleontological proteins are discussed, with a particular focus on MALDI-MS, LC-MS/MS, TOF-SIMS, and MSi.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2017 journal article
Expansion for the Brachylophosaurus canadensis Collagen I Sequence and Additional Evidence of the Preservation of Cretaceous Protein
JOURNAL OF PROTEOME RESEARCH, 16(2), 920–932.
author keywords: paleoproteomics; collagen I; bone; Brachylophosaurus canadensis; phylogenetics; Archosauria
MeSH headings : Amino Acid Sequence; Animals; Biological Evolution; Bone and Bones / chemistry; Collagen Type I / chemistry; Dinosaurs / classification; Extinction, Biological; Fossils; Paleontology / instrumentation; Paleontology / methods; Peptide Fragments / analysis; Phylogeny; Proteomics / instrumentation; Proteomics / methods
TL;DR:
The data robustly support the hypothesis of an endogenous origin for these peptides, confirm the idea that peptides can survive in specimens tens of millions of years old, and bolster the validity of the 2009 study.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2016 journal article
Bone protein "extractomics": comparing the efficiency of bone protein extractions of Gallus gallus in tandem mass spectrometry, with an eye towards paleoproteomics
PeerJ, 4.
Source: NC State University Libraries
Added: August 6, 2018
2016 journal article
Glutamine deamidation: an indicator of antiquity, or preservational quality?
RAPID COMMUNICATIONS IN MASS SPECTROMETRY, 30(2), 251–255.
MeSH headings : Amides / chemistry; Fossils; Glutamine / chemistry; Proteins / chemistry
TL;DR:
It is proposed that glutamine deamidation is better suited as an indicator of preservational quality and/or environmental conditions than a mark of the endogeneity or authenticity of ancient proteins.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2016 journal article
Molecular evidence of keratin and melanosomes in feathers of the Early Cretaceous bird Eoconfuciusornis
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 113(49), E7900–E7907.
author keywords: keratinous protein; immunogold; ChemiSTEM; melanosome; Early Cretaceous
MeSH headings : Animals; Biological Evolution; Birds / anatomy & histology; Feathers / ultrastructure; Fossils / ultrastructure; Keratins; Melanosomes
TL;DR:
This work represents the oldest ultrastructural and immunological recognition of avian beta-keratin from an Early Cretaceous (∼130-Ma) bird and sheds new light on molecular preservation within normally labile tissues preserved in fossils.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
2016 journal article
Peptide sequences from the first Castoroides ohioensis skull and the utility of old museum collections for palaeoproteomics
author keywords: collagen I; palaeoproteomics; museum specimens; nasal turbinates; palaeoproteomics
MeSH headings : Animals; Fossils; Museums; Peptides / chemistry; Phylogeny; Proteomics; Rodentia / classification; Skull
TL;DR:
This study illustrates the utility of archived museum specimens for both the recovery of preserved proteins and phylogenetic analyses with characterize proteins from the nasal turbinates of the first Castoroides ohioensis skull ever discovered.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2015 journal article
Biologically and diagenetically derived peptide modifications in moa collagens
Source: NC State University Libraries
Added: August 6, 2018
2015 journal article
Mass Spectrometry and Antibody-Based Characterization of Blood Vessels from Brachylophosaurus canadensis
JOURNAL OF PROTEOME RESEARCH, 14(12), 5252–5262.
author keywords: Brachylophosaurus canadensis; blood vessels; dinosaur; cytoskeleton; actin; tubulin; myosin; tropomyosin; tap honomy; preservation
MeSH headings : Actins / genetics; Actins / isolation & purification; Amino Acid Sequence; Animals; Blood Vessels / anatomy & histology; Blood Vessels / metabolism; Blood Vessels / microbiology; Bone and Bones / blood supply; Chickens; Dinosaurs / anatomy & histology; Dinosaurs / genetics; Dinosaurs / metabolism; Fluorescent Antibody Technique / methods; Fossils / anatomy & histology; Mass Spectrometry; Models, Biological; Molecular Sequence Data; Myosins / genetics; Myosins / isolation & purification; Phylogeny; Proteomics / methods; Sequence Alignment; Species Specificity; Struthioniformes; Tropomyosin / genetics; Tropomyosin / isolation & purification; Tubulin / genetics; Tubulin / isolation & purification
TL;DR:
Test the hypothesis that dinosaur cortical bone fragments recovered after demineralization are endogenous and thus retain proteins in common with extant archosaur blood vessels that can be detected with high-resolution mass spectrometry and confirmed by immunofluorescence and two lines of evidence support this hypothesis.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
15. Life on Land
(Web of Science)
Sources: Web Of Science, ORCID
Added: August 6, 2018
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