Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
216
datasets available to search
ShareScore release 0.9.0
Dataset results
216 results for “Protista”
Fig. 1 in New Finds Of Naked Amoebae (Protista) In Water Reservoirs Of Ukraine
Fig. 1. New records of naked amoebae in water bodies of Ukraine: — Saccamoeba sp., — Ripella sp., — V. lata, — Thecamoeba sp., — Acanthamoeba sp., — Vahlkampfia sp.
Figure 2 in Frontonia anatolica n. sp., a new peniculid ciliate (Protista, Ciliophora) from Lake Van, Turkey
Figure 2. Photomicrographs of Frontonia anatolica n. sp. from live specimens (a–f, j), after silver nitrate (g, i, l, m), and silver carbonate impregnation (h, k). a–d) General morphology of live specimens. e) A view of contractile vacuole. Arrow marks excretory pore, arrowheads mark collecting canals. f) Surface view showing extrusomes (arrowheads). g) Ciliary pattern of dorsal side. h) Ventral view of silver carbonate impregnated specimen showing somatic and oral structures in same focal plane due to the strong body flattening. i) Silverline system. j) Extrusomes beneath pellicule. k) Oral apparatus in early divisional stage. l, m) Oral ciliature showing 3 almost parallel, slightly curved peniculi on the left wall of the oral cavity and the paroral membrane vestibular kineties on the right. Arrowheads mark postoral kineties. CV = Contractile vacuole; Di = Diatom; E = Extrusome; EP = Excretory pore; LD = Lipid droplets?; Ma= Macronucleus; Mi= Micronucleus; OA= Oral apparatus; PM= Paroral membrane; P1–3 = Peniculus 1–3; PeS = Preoral suture; PoS = Postoral suture; VK1–3 = Vestibular kineties 1–3.
Figure 12 in New organic-walled Foraminifera (Protista) from the ocean's deepest point, the Challenger Deep (western Pacific Ocean)
Figure 12. Resigella bilocularis sp. nov. Scanning electron micrographs. A, general view; note collapsed initial chamber. B, detail of same specimen showing agglutinated coating of organic wall; note that the grains become more prominent towards proximal part of chamber. C–H, damaged specimen; the initial chamber has been lost. C, general view; areas within boxes are shown in more detail in E–H. D, surface of proximal part of chamber showing agglutinated grains. E, surface towards posterior end of chamber showing agglutinated grains and smoother, intervening areas; box indicates area shown in detail in F. F, detail of organic wall with mesh-like structures and a few flat areas. G, H, surface towards distal part of chamber showing smooth, flake-like features separated by areas with a fine, mesh-like structure. The flake-like features in F–H are probably clay particles.
Figure 13 in New organic-walled Foraminifera (Protista) from the ocean's deepest point, the Challenger Deep (western Pacific Ocean)
Figure 13. Resigella bilocularis sp. nov. Scanning electron micrographs. A, aperture of specimen shown in Figure 12C. B, general view of specimen with intact intial chamber and broken second chamber. C, D, broken cross-section of test wall showing organic layer overlain by agglutinated grains. E, F, general view of test and detail of organic surface with flake-like features (probably clay particles) separated by mesh-like structures.
FIGURE 1 in Taxonomic revision of the ciliate genus Zosterodasys Deroux, 1978 (Protista: Ciliophora: Synhymeniida)
FIGURE 1. Diagram of general body organization and ciliary pattern in Zosterodasys.
FIGURE 2 in Checklist, assemblage composition, and biogeographic assessment of Recent benthic foraminifera (Protista, Rhizaria) from São Vincente, Cape Verdes
FIGURE 2. Species in common with source regions in the tropical to temperate North Atlantic. See Appendix Table 2 for references.
FIGURE 1 in Checklist, assemblage composition, and biogeographic assessment of Recent benthic foraminifera (Protista, Rhizaria) from São Vincente, Cape Verdes
FIGURE 1. Map with location of (a) the Cape Verde Archipelago and (b) sampling sites on São Vincente. CC: Canary Current, CUC: Canary Upwelling Current, CVC: Cape Verde Current, CVFZ: Cape Verde Frontal Zone, GD: Guinea Dome, NEC: North Equatorial Current, NECC: North Equatorial Counter Current (modified after Fiedler, 2012; Fernandes et al. 2015; Pelegrí & Peña-Izquierdo, 2015). Depth contours in (a) were given for the continental margin only. Colours and symbols in (b): light grey: volcanic or volcanoclastic rocks, yellow: sedimentary deposits (redrawn after Ancochea et al. 2010), orange: beach sands, dark grey and circles: urban areas and villages (after satellite images and observations during the geological excursion), arrows: sampling sites. The geographical coordinates are given in Appendix Table 1.
Figure 6 in Phylogeny of a new ciliate family Clampidae fam. nov. (Protista: Ciliophora), with notes on morphology and morphogenesis
Figure 6. The infraciliature of Clampia gen. nov., the 12 molecularly-related genera (B–M) and the six morphologically similar genera (N–S).
Figure 5 in Re-evaluation of the systematic position of the order Prostomatida (Protista: Ciliophora), with the establishment of two new genera and two new species
Figure 5. Drawing (A–H) and photomicrographs (I–Q) of Qingdao population of Apsiktrata gracilis from life (A, E, F, H–L, N), after protargol staining (B–D, O–Q) and after silver nitrate staining (G, M). A, lateral view of a typical individual, showing general appearance of the body, circumoral cilia (arrowheads) and caudal cilium (arrow). B, C, side view, showing the somatic kineties and circumoral kinety (arrow). D, ciliary pattern of the anterior portion of the cell, showing the circumoral kinety (CK) and the collar on the oral basket (arrow). E, side view of cell, showing the distribution of rod-shaped extrusomes (arrows) in the cortex. F, shape variants. Arrowheads show the contractile vacuole. G, silverline system. H, distribution of extrusomes (arrowhead). I, lateral view of a typical cell, showing the body shape. J, collar on oral basket (arrowhead) and contractile vacuole (arrow). K, the distribution of kinetosomes (arrows) and extrusomes (arrowheads). L, distribution of the extrusomes (arrows). M, the silverline system. N, showing the shape of the oral basket. O, ciliary pattern of the anterior portion of the cell, showing the circumoral kinety (arrow). P, macronucleus and micronucleus (arrow). Q, showing the extrusomes (arrowheads). Scale bars: 25 μm.
FIGURE 6. F in Morphology and molecular phylogeny of four Frontonia species from Turkey (Protista, Ciliophora)
FIGURE 6. F. angusta angusta from live material (a–d) and after silver staining (e–i). Ventral views (e). Silver nitrate staining (f). Silver carbonate staining. Dorsal view (g). Silver nitrate staining of the somatic ciliature and oral ciliature (h). View of an argyrome part (i). Abbreviations: CV: contractile vacuole; D: diatom; E: extrusome; EP: excretory pore; FA: filamentous algae; Ma: macronucleus; Mi: micronucleus; OA: oral apparatus; P1–P3: peniculi 1, 2, and 3; PM: paroral membrane; PoS: postoral suture; PrS: preoral suture; VK1–3: vestibular kineties 1, 2, and 3. Scale bar = 60 µm.
Fig. 12 in A holistic approach to inventory the diversity of mobilid ciliates (Protista: Ciliophora: Peritrichia)
Fig. 12 Secondary structure of the C, 3′M and 3′m domains of the 16S rRNA molecule of Trichodina unionis as well as of helices 21 and 33 of four Trichodina species isolated from invertebrates col-
Fig. 11 in A holistic approach to inventory the diversity of mobilid ciliates (Protista: Ciliophora: Peritrichia)
Fig. 11 Secondary structure of the 5.8S rRNA molecule and the first domain of the 28S rRNA molecule of Trichodina unionis as well as of the ITS2 molecules of T. unionis and T. baltica. The 5.8S-28S
Fig. 9 in A holistic approach to inventory the diversity of mobilid ciliates (Protista: Ciliophora: Peritrichia)
Fig. 9 Morphological and molecular delimitation of five Trichodina species isolated from freshwater invertebrates collected in Slovakia. A Principal component analysis of 39 individuals based on 12 morphometric features. Eigenvalues of the first two ordination axes are λ1=6.899 and λ2 =3.023, explaining 84.08% of the total variation. Although Trichodina species isolated from bivalves and nerites could be unambiguously differentiated from each other, morphometric data per se were not sufficient to delimit the three
Fig. 5 in A holistic approach to inventory the diversity of mobilid ciliates (Protista: Ciliophora: Peritrichia)
Fig. 5 Trichodina unionis after dry silver nitrate (A, B) and protargol (C–H) impregnation. A Overview of the adhesive disc. B Adoral ciliary spiral (opposed triangles). C, D, G, H Adoral view, showing the structure of the ciliary wreath and peripheral pins. E, F Details of the
Fig. 2 in A holistic approach to inventory the diversity of mobilid ciliates (Protista: Ciliophora: Peritrichia)
Fig. 2 Terminology and measurement scheme for taxonomically important characters in the genus Trichodina. Based on Lom (1958), Van As and Basson (1989), and Poynton and Lom (1989). A Lateral overviews, showing an extended and a contracted cell. B Aboral view, showing the adhesive disc. C Diagram, showing three denticles for which x and y axes were constructed to fix references for the description of denticle morphologies. D Measurement scheme for a denticle. E Frontal view, showing the adoral ciliary spiral. F Measurement scheme for macronucleus. Abbreviations of morphological characters (in black): AB, apex of blade; ACS, adoral ciliary spiral; AM anterior margin of blade; AR, apophysis of ray; BA, apophysis of blade; CA, center of adhesive disc; CB, section connecting blade and central part; CC, section connecting central part and ray; CCP, central conical part; CP, central part of denticle; DC, deepest point of curve; DP, distal point of blade; DS, distal
Fig. 3 in A holistic approach to inventory the diversity of mobilid ciliates (Protista: Ciliophora: Peritrichia)
Fig. 3 Trichodina unionis after dry silver nitrate (A) and protargol (B–E) impregnation. A, B Overviews of the aboral side, showing the structure of the adhesive disc and aboral ciliary wreath. C Detail of the fine structure of the aboral ciliary wreath. D Overview of the adoral side, showing the oral ciliary pattern and macronucleus. E Detail of the oral ciliary pattern. BM, border membrane; F, oral fibers; G, central granules; GK, germinative kinety; HK, haplokinety; IR, inner ring; MA, macronucleus; MR, middle ring; OR, outer ring; P1–3, peniculus 1–3; PK, polykinety; PP, peripheral pins; RP, ridial pins. Scale bars = 5 μm (C), 10 μm (E), 30 μm (A, B, D)
ScienceDex guides
Understand access before you commit
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.