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151 results for “lemurs”
Dataset: Features of animal babbling in the vocal ontogeny of the gray mouse lemur
<p>Dataset used in the unsupervised cluster analysis of the publication "Features of animal babbling in the vocal ontogeny of the gray mouse lemur (<em>Microcebus murinus</em>)"</p> <p><strong>Abstract</strong></p> <p>In human infants babbling is an important developmental stage of vocal plasticity to acquire maternal language. To investigate parallels in the vocal development of human infants and non-human mammals, seven key features of human babbling were defined, which are up to date only shown in bats and marmosets. This study will explore whether these features can also be found in gray mouse lemurs by investigating how infant vocal streams gradually resemble the structure of the adult trill call, which is not present at birth. Using unsupervised clustering, we distinguished six syllable types, whose sequential order gradually reflected the adult trill. A subset of adult syllable types was produced by several infants, with the syllable production being rhythmic, repetitive, and independent of the social context. The temporal structure of the calling bouts and the tempo-spectral features of syllable types became adult-like at the age of weaning. The age-dependent changes in the acoustic parameters differed between syllable types, suggesting that they cannot solely be explained by physical maturation of the vocal apparatus. Since gray mouse lemurs exhibit five features of animal babbling, they show parallels to the vocal development of human infants, bats, and marmosets.</p> <p> </p> <p>For details concerning the recording of the calling bouts confer to the publication at doi:10.1038/s41598-023-47919-7</p>
Dataset: Sex differences in the impact of social relationships on individual vocal signatures in grey mouse lemurs
<p>Dataset used in the statistical analysis of the publication "Sex differences in the impact of social relationships on individual vocal signatures in grey mouse lemurs (<em>Microcebus murinus</em>)"</p> <p><strong>Abstract</strong></p> <p>Vocali<span>z</span>ations coordinate social interactions between conspecifics by conveying information concerning the individual or group identity of the sender. Social accommodation is a form of vocal learning where social affinity is signalled by converging or diverging vocali<span>z</span>ations to those of conspecifics. To investigate whether social accommodation is linked to the social lifestyle of the sender, we investigated sex-specific differences in social accommodation in a dispersed living primate, the grey mouse lemur, where females form stable sleeping groups whereas males live solitarily. We used 482 trill calls of 36 individuals from our captive breeding colony to compare acoustic dissimilarity between individuals with genetic relatedness, social contact time and body weight. Our results showed that female trills become more similar the more time females spen<span>d</span> with each other independent of genetic relationship, suggesting vocal convergence. In contrast, male trills were affected more by genetic than social factors. However, focus<span>s</span>ing only on sociali<span>z</span>ed males, male trills diverged from each other the more time males were cage partners. Thus, grey mouse lemurs show the capacity for social accommodation, with females converging their trills to signal social closeness to sleeping group partners, whereas males do not adapt or diverge their trills to signal individual distinctiveness. </p> <p> </p> <p>For details concerning the recording of the trills confer to the publication at doi: 10.1098/rstb.2023.0193</p>
MRI Brain Template and Atlas of the Mouse Lemur Primate Microcebus murinus
<p>MRI template and 120-region atlas for the mouse lemur primate Microcebus murinus.<br> <br> Generated from 34 animals aged 15-58 months old scanned at 7T using a T2-weighted sequence, resolution 115 × 115 × 230 µm. The code developed to create and manipulate the template has been refined into general procedures for registering small mammal brain MR images, available within a python module sammba-mri (SmAll-maMMals BrAin MRI; <a href="https://sammba-mri.github.io/">https://sammba-mri.github.io/</a>). The template was up-sampled to 91 µm isotropic for hand-segmentation of structures, and also used to create probability maps of grey matter, white matter and cerebro-spinal fluid.</p> <p>if used for publication please cite: </p> <p><strong>A 3D population-based brain atlas of the mouse lemur primate with examples of applications in aging studies and comparative anatomy</strong><br> Nachiket A Nadkarni, Salma Bougacha, Clément Garin, Marc Dhenain, Jean-Luc Picq<br> Jan 2019<br> <strong>NeuroImage</strong> 185, 85-95<br> DOI: 10.1016/J.NEUROIMAGE.2018.10.010<br> <a href="https://www.sciencedirect.com/science/article/pii/S1053811918319694">https://www.sciencedirect.com/science/article/pii/S1053811918319694</a></p>
Functional organization of the mouse lemur Primate Microcebus murinus : from multilevel validation to comparison with humans
<p>Brain network organization in the mouse lemur (Microcebus murinus) Primate.<br> (comparison with humans)<br> Archives contain:<br> <br> - Dictionary learning analysis in mouse lemurs and humans showing networks identified in these two species.<br> <br> - Cerebral templates from mouse lemurs and humans (MNI template). They can be used to localize networks.<br> <br> - A functional atlas of the mouse lemur brain issued from resting fMRI. Resting-state functional MR images were recorded from 14 mouse lemurs at 11.7 Tesla (2 time point per animal).<br> - An atlas from human brain (issued from <a href="http://www.gin.cnrs.fr/fr/outils/aal-aal2/">http://www.gin.cnrs.fr/fr/outils/aal-aal...</a>) that can be used to attribute human cerebral networks.<br> <br> - Templates, atlases and networks can be easily observed together using ITK-SNAP (<a href="http://www.itksnap.org/">http://www.itksnap.org/</a>).</p> <p>if used for publication please cite: </p> <p><strong>Resting state functional atlas and cerebral networks in mouse lemur primates at 11.7 Tesla</strong><br> <strong>Clément M Garin</strong>, Nachiket A Nadkarni, Brigitte Landeau, Gaël Chételat, Jean-Luc Picq, Salma Bougacha, Marc Dhenain<br> Feb 2021<br> <strong>NeuroImage</strong> 226, 117589<br> DOI: 10.1016/J.NEUROIMAGE.2020.117589<br> <a href="https://www.sciencedirect.com/science/article/pii/S1053811920310740">https://www.sciencedirect.com/science/article/pii/S1053811920310740</a></p>
ParaVision Mouse, Rat, and Lemur Testing Data for SAMRI
<p>This is a testing data set encompassing mouse, rat, and lemur MRI data, acquired with diverse protocols, and stored in the Bruker ParaVision format. It serves as a demo and testing substrate for the SAMRI software package.</p>
Datasets for Metagenome-wide characterization of shared antimicrobial resistance genes in sympatric people and lemurs in rural Madagascar
<p>These datasets accompany the analyses conducted under the study title "<span>Metagenome-wide characterization of shared antimicrobial resistance genes in sympatric people and lemurs in rural Madagascar</span>"</p> <p>Accompanying R scripts with commentary to run these data can be found in the Github repository under release v1.0.0: https://github.com/bmtalbot/Humans_and_Lemurs_2017</p>
Fig. 2 in Comparative Aspects Of The Morphogenesis And Morphology Of The Wing Membranes Of Bats (Сhiroptera) And Flying Lemurs (Dermoptera)
Fig. 2. Hand and wing membrane of embryo Cynocephalus variegatus, stage 20. Longitudinal sections. The right forearm. А, D, E, F — x400; B, C — x1000: А — longitudinal (below) and cross-section (from above) of the propatagium skin; B, C — the muscle tubes in the plagiopatagium skin; D — the two row of muscle tubes in the plagiopatagium skin; E, F — the chiropatagium skin. Epidermis (ЕPD), undifferentiated mesenchyme (М), blood vessel and blood capillaries (V and CAP), muscle tubes (MT), muscles (MUS), rudiments of digits I (I) and II (II); IV (IV) and V (V).Stained with Mallory's trichrome.
Fig. 1 in Comparative Aspects Of The Morphogenesis And Morphology Of The Wing Membranes Of Bats (Сhiroptera) And Flying Lemurs (Dermoptera)
Fig. 1. Hand and wing membrane of bats embryos. А, B, C — x400; D — x1000: А — embryo Myotis blythii stage 18. Longitudinal section. The left forelimb bud with metacarpals rudiments: mesenchymal condensations of metacarpal rudiments (Mc), undifferentiated mesenchime (M), epidermis (EPD). Stained with Ehrlich's hematoxylin and eosin; В — embryo Rhinolophus hipposideros stage 20. Cross-section. The wing membrain (uropatagium). The centre of hemopoiesis (G), epidermis (ЕPD), undifferentiated mesenchyme (М), blood vessels (V). Stained with Mallory's trichrome; C — embryo Myotis blythii stage 19. Longitudinal section. The right forearm. Metacarpal rudiments (Mc), digits rudiments (II III, IV, V), epidermis (ЕPD), undifferentiated mesenchyme (М), blood vessels (V). Stained with Ehrlich's hematoxylin and eosin; D — embryo Myotis blythii stage 22. Cross-section of the plagiopatagium skin. The centre of hemopoiesis (G), mesenchyme (М), epidermis (ЕPD). Stained with Ehrlich's hematoxylin and eosin.
Fig. 2 in Hemoparasites in a wild primate: Infection patterns suggest interaction of Plasmodium and Babesia in a lemur species
Fig. 2. Age-dependence of Babesia sp. infections (grey) and Plasmodium sp. infections (black). The lines represent the predicted values according to the two different GLMMs.
Fig. 1 in Hemoparasites in a wild primate: Infection patterns suggest interaction of Plasmodium and Babesia in a lemur species
Fig. 1. Maximum likelihood tree of malaria parasite cytochrome b sequences (P. = Plasmodium). The clade formed by lemur malaria parasites is blue. The two sequences detected in this study are highlighted with grey rectangles. Bootstrap values are reported above branches when>50. The scale is in substitution per site.
Fig. 1 in Unveiling a novel parasitosis: Trichostrongylus colubriformis infection in captive ring-tailed lemurs (Lemur catta)
Fig. 1. Morphology of Trichostrongylus colubriformis adult stages: A) anterior end, scale bar 50 μm; B) detail of anterior end of female showing three small lips and a circle of cephalic papillae; C) detail of ovijector, scale bar 50 μm; D) detail of the cuticle; E) posterior end of male showing the structure of bursa, the gubernaculum (g) and short subequal spicules (sp); F) egg, scale bar 50 μm.
Fig. 2 in Unveiling a novel parasitosis: Trichostrongylus colubriformis infection in captive ring-tailed lemurs (Lemur catta)
Fig. 2. The evolutionary history was inferred by using the Maximum Likelihood method based on the Tamura 3-parameter model. The tree is drawn to scale, with branch lengths measured in the number of substitutions per site. The analysis involved 27 nucleotide sequences. There were a total of 684 positions in the final dataset.
Fig. 13 in Molecular phylogenetics of the sucking louse genus Lemurpediculus (Insecta: Phthiraptera), ectoparasites of lemurs, with descriptions of three new species
Fig. 13. Morphology of male thoracic sternal plates and associated posterior setae for previously described species of Lemurpediculus, A: Lemurpediculus petterorum Paulian, 1958. B: Lemurpediculus madagascariensis Durden et al. (2018). C: Lemurpediculus claytoni Durden et al., 2017. D: Lemurpediculus verruculosus (Ward, 1951). E: Lemurpediculus robbinsi Durden et al., 2017. Scale bar, 0.1 mm.
Fig. 7 in Molecular phylogenetics of the sucking louse genus Lemurpediculus (Insecta: Phthiraptera), ectoparasites of lemurs, with descriptions of three new species
Fig. 7. Lemurpediculus zimmermanni, female, scanning electron micrographs: A, dorsal whole body. B, ventral whole body. Abbreviations: sgp, subgenital plate; sp, spiracle; tc, tibiotarsal claw; tsp, thoracic sternal plate; vs, ventral head spike.
Fig. 5 in Molecular phylogenetics of the sucking louse genus Lemurpediculus (Insecta: Phthiraptera), ectoparasites of lemurs, with descriptions of three new species
Fig. 5. Lemurpediculus zimmermanni, stacked photoimages: A, male Holotype, USNMENT00981950, whole body. B, male, Holotype, USNMENT00981950, genitalia. C, female Allotype, USNMENT00981951, whole body.
Fig. 6. Lemurpediculus zimmermanni, A in Molecular phylogenetics of the sucking louse genus Lemurpediculus (Insecta: Phthiraptera), ectoparasites of lemurs, with descriptions of three new species
Fig. 6. Lemurpediculus zimmermanni, A: Ventral head of male Holotype, B: Thoracic sternal plate of Holotype male, C: Genitalia of male Holotype, D: Subgenital plate of female allotype. Abbreviations: ae, anterior endomere; aen, aedeagal endomere; ba, basal apodeme; p, paramere; pe, posterior endomere; ps, pseudopenis.
Fig. 8 in Molecular phylogenetics of the sucking louse genus Lemurpediculus (Insecta: Phthiraptera), ectoparasites of lemurs, with descriptions of three new species
Fig. 8. Lemurpediculus gerpi, stacked photoimages: A, male Holotype, USNMENT00981952, whole body. B, male, Holotype, USNMENT00981952, genitalia.
Fig. 10 in Molecular phylogenetics of the sucking louse genus Lemurpediculus (Insecta: Phthiraptera), ectoparasites of lemurs, with descriptions of three new species
Fig. 10. Lemurpediculus tsinamanpesotsae, stacked photoimages: A, male Holotype, USNMENT00981954, whole body. B, male, Holotype, USNMENT00981954, genitalia. C, female Allotype, USNMENT00981955, whole body.
Fig. 14 in Molecular phylogenetics of the sucking louse genus Lemurpediculus (Insecta: Phthiraptera), ectoparasites of lemurs, with descriptions of three new species
Fig. 14. Morphology of female subgenital plates and associated setae for previously described species of Lemurpediculus, A: Lemurpediculus claytoni Durden et al., 2017. B: Lemurpediculus robbinsi Durden et al., 2017. C: Lemurpediculus verruculosus (Ward, 1951). D: Lemurpediculus petterorum Paulian, 1958. E: Lemurpediculus madagascariensis Durden et al. (2018).
Fig. 2 in Molecular phylogenetics of the sucking louse genus Lemurpediculus (Insecta: Phthiraptera), ectoparasites of lemurs, with descriptions of three new species
Fig. 2. Maximum likelihood phylogenetic trees based on A) elongation factor 1α (EF1α), B) cytochrome C oxidase subunit I (COI) and C) internal transcribed spacer 1 (ITS1) sequences. Values next to the branches indicate ultrafast bootstrap support. Tree scale is in substitutions/site. Substitution models were TNe + G4 for EF1α, TPM2+F + I + G4 for COI, and F81 + F + I for ITS1. Abbreviations: F., Fahrenholzia; H., Haematopinus; L., Lemurpediculus.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.