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280 results for “enamel”
Data from: Enamel proteins reveal biological sex and genetic variability within southern African Paranthropus
<p>This dataset contains the sequences of Paranthropus robustus, first described in 'Enamel proteins reveal biological sex and genetic variability within southern African Paranthropus', as well as the reference data and all the results from the analysis of those sequences.</p> <p><strong>Folders and Sub-Folders:</strong></p> <p><strong>- Paranthropus_Raw_AA_Sequences_Unaligned: </strong>Contains 2 fasta files. Paranthropus_Unaligned.fasta contains all the Paranthropus robustus sequences that were used for all of the analyses. Paranthropus_Unaligned_UNFILTERED.fasta contains all the Paranthropus robusts sequences <strong>before </strong><strong>filtering </strong>for SAP quality/confidence. These sequences were not used in any of the analyses, but are provided here for openness. </p> <p> </p> <p> </p> <p><strong>-</strong> <strong>Reference_Datasets</strong>: Contains 3 fasta files. Each fasta file is a reference dataset used in at least one analysis. The identity and origin of each sample is described in the supplementary document of the publication.</p> <p> </p> <p> </p> <p><strong>- Phylogenetic_Analysis_Datasets_and_Trees: </strong>Contains the following <strong>five folders</strong></p> <p> - <strong>Paranthropus_Alignments_All_Datasets</strong>: Contains three folders. Each folder contains the aligned and I/L corrected MSAs (Multiple Sequence Alignments) of Paranthropus robustus and a reference dataset.</p> <p> - <strong>Paranthropus_Diversity_Dataset_Trees_Results</strong>: Contains all analysis done using the 'diversity' reference dataset. Contains one folder for each protein, which includes the protein alignment and the phylogenetic tree of that protein. Additionally a folder named 'CONCATENATED' contains the concatenated alignemnts and trees. The BEAST2-STARBEAST3 folder contains the Starbeast3 analysis, including the xml, output log file, output trees and the input taxon set file.</p> <p> - <strong>Paranthropus_Representative_Dataset_Trees_Results:</strong> Contains all analysis done using the 'representative' reference dataset. Contains one folder for each protein, which includes the protein alignment and the phylogenetic tree of that protein. Additionally a folder named 'CONCATENATED' contains the concatenated alignemnts and trees. The BEAST2 folder contains the time-calibrated BEAST2 analysis, including the xml, output log file, output trees. The folder Distance_Matrix contains the generated distance matrix and the Rscript used to generate the heatmap from it.</p> <p> - <strong>Paranthropus_Independent_Dataset_Trees_Results: </strong>Contains all nexus files and tree-figures used in the analysis of the 'independent' reference dataset. </p> <p> - <strong>Tree_Figures: </strong>Contains three sub-folders and an additional figure. Each sub-folder contains the phylogenetic tree figures generated using one of the three reference datasets.</p>
Tooth enamel proteome of Early Medieval non-adult individuals
<p>This dataset includes .raw LC-MS/MS files, from a proteomic study of deciduous and permanent tooth enamel samples. It includes data of 30 different non-adult individuals (Early Middle Ages, Valdaro, Italy), whose sex has been estimated through amelogenin peptides. This dataset is linked to a submitted publication (Lugli et al., <em>Journal of Archaeological Science: Reports</em>). <br> Please, refer to Lugli et al. (2019, <em>Scientific Reports</em>; doi: 10.1038/s41598-019-49562-7) for methodology. </p>
Text-fig. 14. Dendrograms of studied taxa based on enamel ultrastructure characters. a: dendrogram based on all three enamel types; b: dendrogram based on enamel type I. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 14. Dendrograms of studied taxa based on enamel ultrastructure characters. a: dendrogram based on all three enamel types; b: dendrogram based on enamel type I.
Text-fig. 13. Enamel ultrastructure of I1, Equus hydruntinus (Kabazi 2). a: vertical sections, scale bar = 100 Μm; b: horizontal and vertical arrangement of prisms in the HSB structure, scale bar = 10 Μm; c: unstructured PLEX enamel at the end of the root, scale bar = 100 Μm. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 13. Enamel ultrastructure of I1, Equus hydruntinus (Kabazi 2). a: vertical sections, scale bar = 100 Μm; b: horizontal and vertical arrangement of prisms in the HSB structure, scale bar = 10 Μm; c: unstructured PLEX enamel at the end of the root, scale bar = 100 Μm.
Text-fig. 12. HSB of first and second upper incisors of Equus przewalskii (Chornobyl Exclusion Zone). a, b: vertical section, scale bar = 100 Μm; c: horizontal cross-section, scale bar = 50 Μm. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 12. HSB of first and second upper incisors of Equus przewalskii (Chornobyl Exclusion Zone). a, b: vertical section, scale bar = 100 Μm; c: horizontal cross-section, scale bar = 50 Μm.
Text-fig. 9. Enamel ultrastructure of M1-2, Equus hydruntinus (Kabazi 2). a, b: type I; c, d: type II. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 9. Enamel ultrastructure of M1-2, Equus hydruntinus (Kabazi 2). a, b: type I; c, d: type II.
Text-fig. 8. Enamel ultrastructure of M1, Equus przewalskii (Chornobyl Exclusion Zone). a, b: enamel row, scale bar = 100 and 20 Μm respectively; c: type I and III, scale bar = 20 Μm; d–f: first type enamel arrangement, scale bar d = 10, e = 3 Μm and f = 2 Μm; g, h: prisms of TZ, scale bar = 50 and 30 Μm respectively; i: type II near OES, scale bar = 20 Μm. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 8. Enamel ultrastructure of M1, Equus przewalskii (Chornobyl Exclusion Zone). a, b: enamel row, scale bar = 100 and 20 Μm respectively; c: type I and III, scale bar = 20 Μm; d–f: first type enamel arrangement, scale bar d = 10, e = 3 Μm and f = 2 Μm; g, h: prisms of TZ, scale bar = 50 and 30 Μm respectively; i: type II near OES, scale bar = 20 Μm.
Text-fig. 4. Enamel ultrastructure of M1-2, Equus gmelini (Myrne). a: enamel row, scale bar = 30 Μm; b: type I and III, scale bar = 20 Μm; c: type II near OES border, scale bar = 2 Μm. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 4. Enamel ultrastructure of M1-2, Equus gmelini (Myrne). a: enamel row, scale bar = 30 Μm; b: type I and III, scale bar = 20 Μm; c: type II near OES border, scale bar = 2 Μm.
Text-fig. 10. Enamel ultrastructure of I1 (a) and I2 (b, c), Equus gmelini, tarpan (Myrne). a: vertical section; b, c: horizontal cross-section, scale bar = 250 and 100 Μm respectively. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 10. Enamel ultrastructure of I1 (a) and I2 (b, c), Equus gmelini, tarpan (Myrne). a: vertical section; b, c: horizontal cross-section, scale bar = 250 and 100 Μm respectively.
Text-fig. 5. Enamel ultrastructure of m1-2, Equus gmelini (Kamiana Mohyla). a: type I, scale bar = 2 Μm; b: type II, scale bar = 10 Μm; c: type II near the OES border, scale bar = 2 Μm. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 5. Enamel ultrastructure of m1-2, Equus gmelini (Kamiana Mohyla). a: type I, scale bar = 2 Μm; b: type II, scale bar = 10 Μm; c: type II near the OES border, scale bar = 2 Μm.
Text-fig. 6. Enamel ultrastructure of M2, Equus gmelini (Hirzhevo). a: type I and III, scale bar = 20 Μm; b: IPM and PE first type prisms, scale bar = 3 Μm; c, d: wavy/decussated enamel of TZ, scale bar = 20 and 10 Μm respectively; e: type II near OES border, scale bar = 2 Μm; f: type III, scale bar = 2 Μm. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 6. Enamel ultrastructure of M2, Equus gmelini (Hirzhevo). a: type I and III, scale bar = 20 Μm; b: IPM and PE first type prisms, scale bar = 3 Μm; c, d: wavy/decussated enamel of TZ, scale bar = 20 and 10 Μm respectively; e: type II near OES border, scale bar = 2 Μm; f: type III, scale bar = 2 Μm.
Text-fig. 2. Measurements (Μm) of the width of IPM and PE prisms of various types of enamel in representatives of Equidae from the "tarpan" group. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 2. Measurements (Μm) of the width of IPM and PE prisms of various types of enamel in representatives of Equidae from the "tarpan" group.
Text-fig. 7. Enamel ultrastructure of P3, Equus caballus (konik polski). a: enamel row, scale bar = 50 Μm; b: type I and III, scale bar = 50 Μm; c: type I, scale bar = 10 Μm; d, e: wavy enamel of TZ with decussations, scale bar = 100 and 50 Μm respectively; f: type II near OES, scale bar = 10 Μm. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 7. Enamel ultrastructure of P3, Equus caballus (konik polski). a: enamel row, scale bar = 50 Μm; b: type I and III, scale bar = 50 Μm; c: type I, scale bar = 10 Μm; d, e: wavy enamel of TZ with decussations, scale bar = 100 and 50 Μm respectively; f: type II near OES, scale bar = 10 Μm.
Text-fig. 1. Localities of investigated species. Black dots represent places where forms were found. 1 – Hirzhevo, 2 – Myrne, in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 1. Localities of investigated species. Black dots represent places where forms were found. 1 – Hirzhevo, 2 – Myrne,
Text-fig. 3. Tendency of changes in IPM and PE width indicators in different types of enamel of the Equidae species of the "tarpan" group. I–III – types of enamel. a: IPM; b: PE. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 3. Tendency of changes in IPM and PE width indicators in different types of enamel of the Equidae species of the "tarpan" group. I–III – types of enamel. a: IPM; b: PE.
Text-fig. 11. Enamel ultrastructure of first (a) and second (b, c) lower incisors, Equus caballus (konik polski), vertical sections. a: enamel row, scale bar = 100 Μm; b: arranging the prisms in the HSB structure, scale bar = 20 Μm; c: arranging the prisms in PI structure, scale bar = 20 Μm. in The Ultrastructure Of The Tooth Enamel Of Small Equus Of The "Tarpan" Group And Their Possible Phylogenetic Connections
Text-fig. 11. Enamel ultrastructure of first (a) and second (b, c) lower incisors, Equus caballus (konik polski), vertical sections. a: enamel row, scale bar = 100 Μm; b: arranging the prisms in the HSB structure, scale bar = 20 Μm; c: arranging the prisms in PI structure, scale bar = 20 Μm.
Fig. 5 in Enamel microstructure and dental histology in a heterodontosaurid dinosaur: Heterodontosaurus tucki
Fig. 5. Simplified ornithischian phylogeny depicting characteristic schmelzmusters and enamel types for studied clades. Note: Presence of enamel tubules in Heterodontosaurus tucki dentary teeth remains unknown. Modified from Hwang (2005).
Fig. 3 in Enamel microstructure and dental histology in a heterodontosaurid dinosaur: Heterodontosaurus tucki
Fig. 3. Enamel microstructure of heterodontosaurid dinosaur Heterodontosaurus tucki Crompton and Charig, 1962 (BP/1/9007), from Lower Jurassic upper Elliot Massospondylus Assemblage Zone of South Africa. A. Scanning electron micrographs: A1, simplified, thin, labial edge enamel with incremental lines in transverse view; A2, thick, mesio-distal edge enamel exhibiting poorly organized crystallites and extremely infrequent enamel tubules in transverse view; A3, mesio-distal edge enamel exhibiting three enamel layers in longitudinal view. Long, sinuous, and continuous enamel tubules are frequently observed in this sectioning plane. B. Schematic enamel block depicting how enamel crystallite complexity might differ in different planes of sectioning. Abbreviations: BUL, basal unit layer; CUL, columnar unit layer; EDJ, enamel dentine junction; OES, outer enamel surface; PC, parallel crystallite.
Fig. 2 in Enamel microstructure and dental histology in a heterodontosaurid dinosaur: Heterodontosaurus tucki
Fig. 2. Maxillary tooth histology of heterodontosaurid dinosaur Heterodontosaurus tucki Crompton and Charig, 1962 (BP/1/9007), from Lower Jurassic upper Elliot Massospondylus Assemblage Zone of South Africa. A. Histological sections: A1, primary ridge: thick band of translucent dentine lines the labial edge of the tooth, no enamel is present; A2, whole tooth: transversely sectioned at the base of the wear facet; A3, mesial ridge: histologically distinct dentine thickens and enamel is absent; A4, labial edge: on the mesial distal edges the enamel is extremely thin, resulting from wear and likely a natural thinning of the enamel, histologically distinct dentine is present, but thin; A5, lateral edge: the enamel is thickest with no distinct dentine present. B. Scanning electron micrograph of labial edge of tooth showing crest formation from differential wear from the last stage of polishing.
Fig. 4 in Enamel microstructure and dental histology in a heterodontosaurid dinosaur: Heterodontosaurus tucki
Fig. 4. Scanning electron micrographs depicting histologically distinct dentine on the outer labial edge of maxillary teeth of heterodontosaurid dinosaur Heterodontosaurus tucki Crompton and Charig, 1962 (BP/1/9007), from Lower Jurassic upper Elliot Massospondylus Assemblage Zone of South Africa. A1, shows the change in dentinal tubule orientation from radially emanating (below black dashed line) to longitudinally emanating (above black dashed line, circular cross-sections) to the atubular dentine present on the outermost edge (above white dashed line). Inset shows the position of the micrograph on the tooth cross section. A2, depicts the marked decrease in dentinal tubules in the outer ~20 µm of dentine. Inset shows that only intertubular dentine is present and the absence of occluded tubules which would be expected if this was derived from sclerotization of the dentine. A3, high magnification image of open dentinal tubules in the histologically distinct enamel (above black dashed line in A1). A4, close up showing the transition zone of tubule orientation. White arrow shows tubule cut along its long axis; black arrows show orthogonally sectioned tubules (circular). More circular tubules are present above the black dashed line than below indicating the zone of tubule orientation shift.
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