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1,085 results for “Ciliophora”
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 4 in Description of Two New Species of the Genus Vorticella (Ciliophora: Peritrichia) Epibionts on Pomacea canaliculata (Mollusca: Ampullariidae: Gastropoda) in Southern Brazil
FIGURE 4. Uorticella ampullaria sp. n. live and protargol-stained specimens: A. Live zooid showing the position of the two contractile vacuoles (CV) and the spamoneme (SM) inside the basal stalk (Bar 10 µm). B. Live zooid showing the position of the aboral contractile vacuole (arrow) (Bar 10 µm). C. Live zooid showing the position of the oral contractile vacuole and Cshaped macronucleus (MAC) (Bar 10 µm). D. Protargol-stained zooid showing the oral polikinetids in the infundibular region (P1, P2, P3) (Bar 5 µm). E. Protargol-stained zooid showing details of the oral polikinetids 1 and 2 (Bar 5 µm). F. Protargolstained zooid showing the micro (MIC) and macronucleus (MAC) (Bar 5 µm).
FIGURE 6 in Description of Two New Species of the Genus Vorticella (Ciliophora: Peritrichia) Epibionts on Pomacea canaliculata (Mollusca: Ampullariidae: Gastropoda) in Southern Brazil
FIGURE 6. Maximum likelihood phylogeny (topology only) showing the placement of Uorticella veloxiiforme and Uorticella ampullaria (sequences in bold) in a phylogenetic tree of selected Peritrichia species, based on 18s rDNA sequences. Values above and below the branches indicate bootstrap values for adjacent nodes with Maximum likelihood (ML), Maximum parsimony (MP), and neighbor-joining (NJ), followed by the clade posterior probabilities (shown as percentages) estimated with BI. Bootstrap values are reported only for long branches or for the sequences obtained in this study.
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. 36 in New Paramecium (Ciliophora, Oligohymenophorea) congeners shape our view on its biodiversity
Fig. 36 SSU rDNA tree topology. Phylogenetic reconstruction of the genus Parameciom based on 18S-rDNA sequences inferred by Bayesian Inference analysis. The alignment contained 49 taxa and 1640 sites including gaps. Sequences of new or cryptic species characterized within this study are shown in boldface. Sequences of other Peniculida served as outgroup. Nombers at nodes (occasionally indicated by an arrow) represent support values for the Bayesian Inference and Maximum Likelihood
Fig. 23–26 in New Paramecium (Ciliophora, Oligohymenophorea) congeners shape our view on its biodiversity
Fig. 23–26 Morphology of BEocandidatos P. germanicum^. 23 Living cell with visible food vacuoles (FV) and macronucleus (MA). DIC contrast. 24 Ventral view of silver nitrate-impregnated cell with cytoproct (C). 25 Nuclear apparatus of the Feulgen-stained cell with indications for micronuclei (small arrows). 26 Nuclear apparatus. Feulgen-stained cell, large magnification. Bars 40 μm (23), 35 μm (24), 4.5 μm (25), 6 μm (26)
Fig. 9–16 in New Paramecium (Ciliophora, Oligohymenophorea) congeners shape our view on its biodiversity
Fig. 9–16 Morphological features of P. boetschlii sp. nov. 9–12 Nuclear apparatus and buccal region of the ciliate. 9 Buccal cavity and part of macronucleus (MA) with micronucleus (MI). Trichocysts along of cortex are also visible. 10 Nuclear apparatus. 11 Buccal overture. 12 Buccal ciliature and nuclear apparatus. 13 Posterior end of the ciliate with numerous trichocysts. 14 Pores of CV. 15–16) CV dynamic. Systole (15) and diastole (16). 9, 11–16) Living cells. DIC contrast. 10 Feulgenstained nuclear apparatus. Bars 10 μm (9–13), 5 μm (14–16)
Fig. 1–8 in New Paramecium (Ciliophora, Oligohymenophorea) congeners shape our view on its biodiversity
Fig. 1–8 General shape and cortex construction of P. boetschlii sp. nov. 1–2 Ventral 1 and dorsal 2 views of the same cell. Ampoules of contractile vacuoles (CV) and its pores (wedge-tailed arrows in Fig. 2) as well as the macronucleus (MA) and the micronucleus (large arrow in Fig. 1) are visible. 3 Deciliated cell (found by chance) from the ventral view. Position of oral aperture (OA), anterial suture (arrowhead) and cytoproct (C) are shown. 4–8 Impregnated cells: ventral 4 and dorsal 5 side of different cells and its details; quadrulus (Q), cytoproct (C) and pores of contractile vacuole (PCV). 6 Buccal overture with buccal ciliature: endoral membrane (EM) and quadrulus (Q). 7 Two pores of the same contractile vacuole. 8 Cytoproct region. 1–3 Living cells, DIC contrast. 4–8 Silver nitrate impregnation. Bars 50 μm (1–3), 25 μm (4, 5), 10 μm (6, 8), 5 μm (7)
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)
Figure 2 in Morphology and molecular phylogeny of a Chinese population of Rubrioxytricha guamensis Kumar et al., 2018 (Ciliophora: Hypotrichia)
Figure 2. Maximum likelihood (ML) phylogenetic tree inferred from the 18S rRNA gene sequences. Numbers near nodes represent the ML bootstrap values and Bayesian posterior probabilities. For both trees, the scale bar corresponds to 0.01 expected substitutions per site. The red box (arrow) indicates the clade of genus Rubrioxytricha.
FIGURES 4–7. Silver impregnated specimens. 4 in Description of Parentocirrus brasiliensis sp. n. (Ciliophora: Spirotrichea), a new ciliate protist present in activated sludge
FIGURES 4–7. Silver impregnated specimens. 4 – Ventral side; 5 – dorsal side. Arrowheads pointing to scattered kinetids; 6 – Close view of dorsal side. Arrowhead pointing to anterior scattered kinetid; 7 – Close view of posterior end. Arrowhead pointing to terminal region of kineties ending in caudal cirri. Legends: AFC = anterior frontal cirri; AZM = adoral zone of membranelles; BC = buccal cirri; CC = caudal cirri; eM = endoral membrane; LMR = left marginal row; LVR = left ventral row; pM = paroral membrane; PpC = postperistomial cirri; RMR = right marginal row; RVR = right ventral row; TC = transverse cirri.
Figure 5 in Three marine haptorid ciliates from northern China: Paraspathidium apofuscum n. sp., Trachelotractus entzi (Kahl, 1927) Foissner, 1997 and Apotrachelotractus variabialis Long, Song and Warren, 2009 (Protozoa, Ciliophora)
Figure 5. Different shapes of Apotrachelotractus variabialis Long, Song and Warren, 2009. (A, B) highly contracted; (C, D) not fully-extended; (E) fully-extended. Note: scale bars: 100 µm (A, B); 200 µm (C, D); 500 µm (E).
FIGS. 29–36 in Morphological studies on a new species of Orthodonella, with redescription of O. gutta (Cohn, 1866) Kahl, 1931 (Protozoa: Ciliophora: Synhymeniida) from coastal water off Qingdao, China
FIGS. 29–36. Photomicrographs of Orthodonella gutta from life (31–34) and after protargol (29, 30, 35, 36). (29, 30) Ventral and dorsal view of the same specimen, to show the infraciliature, arrow refers the synhymenium. (31, 32) Dorsal view, to show the formtransfiguration of the same individual. (33) To show oil globules. (34) Cortical granules. (35) To demonstrate the cytostome (arrow). (36) To show the end of pharyngeal rods (arrow). Scale bar: 50 Mm.
Figure 9 in Re-discovery and novel contributions to morphology and multigene phylogeny of Myxophyllum steenstrupi (Ciliophora: Pleuronematida), an obligate symbiont of terrestrial pulmonates
Figure 9. Putative tertiary (A) and secondary (B) structure of the ITS2 molecule of M. steenstrupi, and schematic diagrams of secondary structure of ITS2 molecules of the Philasterida (C), Pleuronematida (D), Myxophyllum (E) and Loxocephalida (F). Helices of the ITS2 molecule are marked by Roman numbers I–IV, the pyrimidine-pyrimidine mismatch of helix II is denoted by orange rectangle, systematically important regions of helix III are marked by violet and pink rectangles. Figures 9C, D and F are based on Gao et al. (2013).
Figure 4 in Morphology and phylogeny of three trachelocercids (Protozoa, Ciliophora, Karyorelictea), with description of two new species and insight into the evolution of the family Trachelocercidae
Figure 4. Trachelolophos binucleatus sp. nov. from life (A–E) and after protargol staining (F–I). A, typical individual; B, C, different body shapes; D, two macronuclei and one micronucleus forming a nuclear group; E, small cortical granules arranged in line between somatic kineties; F, G, infraciliature of anterior end, indicating circumoral kinety, ciliary tuft, narrow glabrous strip and bristle kinety; arrow in F shows anterior secant system on the left side of glabrous stripe; H, I, general infraciliature of the holotype specimen, to show single nuclear group, narrow glabrous stripe, bristle kinety and anterior secant system (arrowheads). Abbreviations: BK, bristle kinety; CG, cortical granules; CK, circumoral kinety; CT, ciliary tuft; GS, glabrous stripe; Ma, macronuclei; Mi, micronucleus; NG, nuclear group; SK, somatic kineties. Scale bars: 400 μm in A–C; 30 μm in F, G; 200 μm in H, I.
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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.