Preservation of proteins in the geosphere

R Umamaheswaran, S Dutta - Nature Ecology & Evolution, 2024 - nature.com
Deep-time protein preservation has attracted increasing interest and rapid research activity
within the palaeobiological community in recent years, but there are several different …

DNA staining in fossil cells beyond the Quaternary: Reassessment of the evidence and prospects for an improved understanding of DNA preservation in deep time

AM Bailleul, Z Li - Earth-Science Reviews, 2021 - Elsevier
The discovery in the 1980's that DNA could be extracted and sequenced from extinct
animals opened-up a whole new area of research in paleobiology. The oldest authenticated …

Reassessing the phylogeny and divergence times of sloths (Mammalia: Pilosa: Folivora), exploring alternative morphological partitioning and dating models

DM Casali, A Boscaini, TJ Gaudin… - Zoological Journal of …, 2022 - academic.oup.com
Phylogenetic relationships among sloths (Folivora) have been extensively studied in the
past few decades using maximum parsimony approaches. Recently, Bayesian phylogenetic …

Raman spectra and ancient life: Vibrational ID profiles of fossilized (bone) tissues

Z Jurašeková, G Fabriciová, LF Silveira… - International Journal of …, 2022 - mdpi.com
Raman micro-spectroscopy is a non-destructive and non-contact analytical technique that
combines microscopy and spectroscopy, thus providing a potential for non-invasive and in …

Taphonomic and Diagenetic Pathways to Protein Preservation, Part I: The Case of Tyrannosaurus rex Specimen MOR 1125

PV Ullmann, K Macauley, RD Ash, B Shoup… - Biology, 2021 - mdpi.com
Simple Summary Contrary to traditional views, fossil bones have been shown to
occasionally retain original cells, blood vessels, and structural tissues that are still …

Species identification of ivory and bone museum objects using minimally invasive proteomics

C Gilbert, V Krupicka, F Galluzzi, A Popowich… - Science …, 2024 - science.org
Ivory is a highly prized material in many cultures since it can be carved into intricate designs
and have a highly polished surface. Due to its popularity, the animals from which ivory can …

Chemistry and analysis of organic compounds in dinosaurs

M Tahoun, M Engeser, V Namasivayam, PM Sander… - Biology, 2022 - mdpi.com
Simple Summary Fossils of dinosaurs other than birds are at least 66 million years old.
Nevertheless, many organic compounds have survived fossilization and can still be found in …

DNA from resin-embedded organisms: Past, present and future

D Peris, K Janssen, HJ Barthel, G Bierbaum, X Delclòs… - PloS one, 2020 - journals.plos.org
Past claims have been made for fossil DNA recovery from various organisms (bacteria,
plants, insects and mammals, including humans) dating back in time from thousands to …

Our tangled family tree: new genomic methods offer insight into the legacy of archaic admixture

KD Ahlquist, MM Banuelos, A Funk, J Lai… - Genome biology and …, 2021 - academic.oup.com
The archaic ancestry present in the human genome has captured the imagination of both
scientists and the wider public in recent years. This excitement is the result of new studies …

[HTML][HTML] In situ SEM/EDS compositional characterization of osteocytes and blood vessels in fossil and extant turtles on untreated bone surfaces; different …

EA Cadena - PeerJ, 2020 - peerj.com
Osteocytes and blood vessels are the main cellular and tissue components of the bone
tissue of vertebrates. Evidence of these soft-tissue microstructures has been widely …