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1,085 results for “Ciliophora”
Figures 9–18 in Redescription of Pseudovorticella cylindrica (Dons, 1915) nov. comb. and Zoothamnium hiketes Precht, 1935, two poorly defined marine peritrichs (Ciliophora: Peritrichia) from the north China Sea
Figures 9–18. Photomicrographs of Pseudovorticella cylindrica from life (9–11, 13), after protargol (12, 15, 17, 18) and silver nitrate impregnation (14, 16). (9) A fully extended zooid at low magnification. (10) Detail of stalk, arrows show thecoplasmic granules in spasmoneme. (11) Zooids at low magnification. (12) Arrow indicates epistomial membrane. (13) A contracted zooid at low magnification. (14, 16) Silverline system, showing reticulate meshes, double arrowhead marks aboral ciliary wreath. (15) Anterior end of zooid showing peniculi 1–3. (17) Lateral view, showing aboral ciliary wreath (arrowheads). (18) Apical view, showing polykinety and haplokinety. H, haplokinety; P1–3, peniculi 1–3; Po, polykinety. Scale bars: 120 mm (9); 200 mm (11); 60 mm (13).
Figures 19–26 in Redescription of Pseudovorticella cylindrica (Dons, 1915) nov. comb. and Zoothamnium hiketes Precht, 1935, two poorly defined marine peritrichs (Ciliophora: Peritrichia) from the north China Sea
Figures 19–26. Morphology of Zoothamnium hiketes from life (19–23), after protargol (24, 25) and silver nitrate impregnation (26). (19) General view of a typical zooid. (20) Showing varieties of body shape and macronucleus. (21) Detail of stalk, arrowheads show many rod-shaped bacteria on stalk surface. (22) Zoothamnium hiketes (from Precht 1935). (23) Colony form. (24) Detail of the three oral peniculi, arrows mark separated upper end of the outer two rows in P2. (25) Oral infraciliature, arrow notes epistomial membrane, double arrowhead indicates the oral distal fragment. (26) Silverline system. ACW, aboral ciliary wreath; G, germinal kinety; H, haplokinety; P1–3, peniculi 1–3; Po, polykinety. Bars: 30 mm (19); 20 mm (21, 22a); 100 mm (22b); 150 mm (23).
Figures 1–8 in Redescription of Pseudovorticella cylindrica (Dons, 1915) nov. comb. and Zoothamnium hiketes Precht, 1935, two poorly defined marine peritrichs (Ciliophora: Peritrichia) from the north China Sea
Figures 1–8. Morphology of Pseudovorticella cylindrica from life (1–5), after protargol (6, 7) and silver nitrate impregnation (8). (1) A typical zooid. (2) Detail of stalk, arrows to show conspicuous thecoplasmic granules in spasmoneme. (3) From Dons (1915) (called Vorticella cylindrica). (4) From Song (1991a) (called Vorticella cylindrica). (5) Typical zooids at low magnification. (6) Buccal apparatus, arrow indicates epistomial membrane. (7) Variable shape of macronucleus. (8) Silverline system. ACW, aboral ciliary wreath; G, germinal kinety; H, haplokinety; P1–3, peniculi 1–3; PD, peristomial disc; PL, peristomial lip; Po, polykinety; Sc, scopula; Spa, spasmoneme. Scale bars: 30 mm (1); 20 mm (4); 50 mm (5).
Figure 2 in Morphology and infraciliature of two new species of marine oligotrich ciliates (Ciliophora: Oligotrichida) from China
Figure 2. Photomicrographs of Parallelostrombidium paralatum nov. sp. from life (A–E) and after protargol impregnation (F–J). (A) Ventral view of a representative specimen, arrow marks the apical protrusion; (B) ventral view of the anterior region of the cell, to show the apical protrusion and the ventral membranelles; (C) ventral view of the posterior region of the cell, arrows mark the oral primordium of the opisthe; (D) lateral view, to show the apical protrusion and the ingested algae; (E) extrusomes after cell bursts; (F) early divider in left ventral view, arrowheads indicate the oral primordium; (G) dorsal view, arrows mark the girdle kinety; (H) to show the macronucleus and the nucleoli; (I) ventral view, to show the two thigmotactic membranelles (arrowheads), girdle kinety (arrows) and the ventral kinety (double-arrowheads); (J) early divider in left ventral view, arrowhead marks the oral primordium. Scale bars: 35 mm (A, D); 5 mm (E).
Figure 3 in Morphology and infraciliature of two new species of marine oligotrich ciliates (Ciliophora: Oligotrichida) from China
Figure 3. Strombidium montagnesi nov. sp. from life (A–D) and after protargol impregnation (E–I). (A) Ventral view of a typical individual, arrows indicate the ridge along equatorial region; (B) extrusomes; (C) ventral view, to show different cell shape; (D) right side view to show the dorsoventrally flattened cell shape, arrows mark the ridge along subequatorial region; (E) ventral view of an early divider, arrow marks the oral primordium; (F) pattern of somatic ciliature; (G, H) ventral and dorsal views showing ciliary pattern; (I) ventral view of an early divider. AM, anterior membranelles; AP, apical protrusion; EM, new endoral membrane; GK, girdle kinety; Ma, macronucleus; VK, ventral kinety; VM, ventral membranelles. Scale bars: 15 mm (A, G, H); 3 mm (B).
Figure 4 in Morphology and infraciliature of two new species of marine oligotrich ciliates (Ciliophora: Oligotrichida) from China
Figure 4. Photomicrographs of Strombidium montagnesi nov. sp. from life (A–E) and after protargol impregnation (F–J). (A) Ventral view of a representative specimen, arrows indicate the ridge along equatorial region; (B) lateral view, arrows mark the ridge along subequatorial region; (C) to show the cilia of the ventral kinety (arrows); (D) arrows mark the edge of the transparent hemitheca; (E) to show different cell shape, the flame-shaped anterior membranelles when cell is at rest, and the densely arranged extrusomes; (F) ventral view, to show the oral primordium (arrowhead) and the girdle kinety (arrows); (G) to show the macronucleus and the nucleoli; (H) dorsal view, arrows indicate the girdle kinety; (I) to show the oral primordium; (J) to show the ventral kinety (arrowheads). Scale bars: 15 mm (A, B, E); 10 mm (F); 20 mm (G, J).
Figure 1 in Morphology and infraciliature of two new species of marine oligotrich ciliates (Ciliophora: Oligotrichida) from China
Figure 1. Parallelostrombidium paralatum nov. sp. from life (A, B, E–G) and after protargol impregnation (C, D, H– J). (A) Ventral view of a typical individual; (B) lateral view, arrowheads show the two thigmotactic membranelles; (C) pattern of somatic ciliature; (D) details of the anterior membranelles; (E) pattern of locomotion; (F) to show the creeping state, note the cell attached to the substrate with its two thigmotactic membranelles; (G) extrusomes; (H, I) ventral (H) and dorsal (I) views showing ciliary pattern; (J) ventral view of a middle divider, to show the newly built oral primordium and new thigmotactic membranelles (arrowheads); basal bodies proliferate within the girdle and ventral kinety (arrows). AM, anterior membranelles; AP, apical protrusion; E, endoral membrane; GK, girdle kinety; Ma, macronucleus; Pe, pellicle; TM, thigmotactic membranelles; VK, ventral kinety; VM, ventral membranelles. Scale bars: 30 mm (A, B, H, I); 5 mm (G); 40 mm (J).
Figure 1 in Trichodina modesta Lom, 1970 (Ciliophora: Peritrichia) infestations of an endemic Toothcarp Aphanius danfordii Boulenger, 1890 (Pisces: Cyprinodontidae) in Sinop, Turkey
Figure 1. (A) Diagrammatic drawings of the denticles of Trichodina modesta; (B) a silver nitrate-stained specimen of T. modesta. Scale bar: 10 Mm.
Figs 11-21 in Morphological variation of Fuscheria terricola BERGER et al., 1983 (Ciliophora, Haptoria)
Figs 11-21: Fuscheria terricola (Jakubovské rybníky population). 11, 13, 14: Ciliary pattern of dorsal side and nuclear pattern. 12: Ciliary pattern of ventral side. 15-21: Lateral views showing variants of body shape and some observed shape and patterns of macro- and micronuclei location. CK – circumoral kinety, CV – contractile vacuole, Ex – extrusome, B1, B2 – dorsal brush row 1 and 2, N – nematodesmata. Scale bars 20 µm.
Figs 1-10 in Morphological variation of Fuscheria terricola BERGER et al., 1983 (Ciliophora, Haptoria)
Figs 1-10: Fuscheria terricola (Jakubovské rybníky population) from life (1, 4-10) and after protargol impregnation (2, 3). 1: Left side view of a representative specimen. 2, 3: Ciliary pattern of dorsal and ventral side and nuclear apparatus. 4, 5: Lateral views showing variants of body shape and nuclear pattern. 6: Structure of dorsal brush. 7: Oral bulge extrusomes are nail-shaped, 4-6.5 µm long. 8: Anterior body portion. 9: Frontal view of oral bulge filled with extrusomes. 10: Surface view showing cortical granulation. CG – cortical granules, CV – contractile vacuole, B2 – dorsal brush row 2, Ex – extrusomes, MA – macronucleus, MT – monokinetidal bristle tail of brush row 2, N – nematodesmata, OB – oral bulge, SK – somatic kinety. Scale bars 30 µm.
Figs 22-30 in Morphological variation of Fuscheria terricola BERGER et al., 1983 (Ciliophora, Haptoria)
Figs 22-30: Fuscheria terricola from several populations. 22: Left side view of a representative specimen from Suchohrad population. 23, 24: Ciliary pattern of dorsal and ventral side of Suchohrad population specimen. 25-27: Specimen from type, Salzburg (from BERGER et al. 1983) and Namibian population (from Foissner et al. 2002). 28: Specimen after protargol preparation from Suchohrad population. 29, 30: Specimen after protargol preparation from Jakubovské rybníky population. B1 – dorsal brush row 1, Ex – extrusomes, N – nematodesmata, SK – somatic kinety. Scale bars 30 µm.
Figure 1 in Phylogenetic analyses suggest that Psammomitra (Ciliophora, Urostylida) should represent an urostylid family, based on small subunit rRNA and alpha-tubulin gene sequence information
Figure 1. Morphology and infraciliature of Psammomitra retractilis (F–J, from Song & Warren, 1996). A, B, F, individuals in extended states to show the typical body shapes. Arrowheads in (A) mark the long, dominant membranelles. C, lateral view of a contracted specimen. D, posterior part, to demonstrate the long dorsal cilia. E, anterior part. Arrowheads indicate the long membranelles, whereas arrows mark the dorsal cilia. G, H, dorsal and lateral views of contracted cells. I, J, ventral and dorsal views to show the infraciliature and macronuclear nodules. Scale bars: A, C, D, F = 40 Mm; E = 30 Mm.
Figure 3 in Phylogenetic analyses suggest that Psammomitra (Ciliophora, Urostylida) should represent an urostylid family, based on small subunit rRNA and alpha-tubulin gene sequence information
Figure 3. Maximum parsimony phylogeny of small subunit rRNA genes. Psammomitra is highlighted in black, and holostichids are enclosed in rectangles. Thick branches and arrows denote position of investigated species. Numbers on branches are values generated from 1000 bootstrap replicates.
Figure 2 in Phylogenetic analyses suggest that Psammomitra (Ciliophora, Urostylida) should represent an urostylid family, based on small subunit rRNA and alpha-tubulin gene sequence information
Figure 2. Phylogenetic tree based on small subunit rRNA sequences showing the position of Psammomitra retractilis, by Bayesian inferences applying the GTR + G + I model. '-' reflects disagreement between a method and the reference Bayesian tree at a given node. The fully supported (1.00/100%/100%) branches are marked with solid circles. Psammomitra is shaded black, and holostichids are enclosed in rectangles. Thick branches and arrows denote position of investigated species. The scale bar corresponds to five substitutions per 100 nucleotide positions. Infraciliature of Oxytricha and Uroleptus (from Foissner et al., 2004), Amphisiella (from Li et al., 2007), Trachelostyla (from Gong et al., 2006), and Holosticha (from Hu & Song, 2001) are also shown.
Figure 4 in Phylogenetic analyses suggest that Psammomitra (Ciliophora, Urostylida) should represent an urostylid family, based on small subunit rRNA and alpha-tubulin gene sequence information
Figure 4. Bayesian trees based on different data sets showing phylogenetic relationships amongst Spirotrichea. '-' reflects disagreement between the maximum likelihood/ maximum parsimony method and the reference Bayesian tree at a given node. The fully supported (1.00/100%/100%) branches are marked with solid circles. Species sequenced in the present study are shown in bold type. The scale bar corresponds to 10/2 substitutions per 100 nucleotide positions. A, phylogenetic analyses inferred from alpha-tubulin gene sequences data set. B, phylogenetic analyses inferred from alpha-tubulin amino acids data set.
Fig. 3 in Redescriptions of Euplotes encysticus and E. rariseta (Protist: Ciliophora: Euplotida)
Fig. 3. Micrographs of excystment of Euplotes encysticus. (a) Cyst of cell 1, (b-j) time series lasting 6 minutes 52 seconds documenting excystment of cell 2, (i) empty cyst and trophozoit, (j) trophozoit. All images are DIC images. Scale bar in (j) = 25 μm.
Fig. 1 in Redescriptions of Euplotes encysticus and E. rariseta (Protist: Ciliophora: Euplotida)
Fig. 1. Drawings of Euplotes encysticus (a-d) and E. rariseta (e-h). (a) E. encysticus and (e) E. rariseta in vivo, E. encysticus (b-d) and E. rariseta (f-h) after protargol impregnation. (b) and (f) ventral views, (c) and (g) dorsal views, (d) and (h) different shapes of macronucleus. AZM, adoral zone of membranelles; PM, paroral membrane; FVC, fronto-ventral cirri; TC, transverse cirri; CC, caudal cirri; MC, marginal cirrus; DK, dorsal kineties; Ma, macronucleus; Mi, micronucleus. Scale bars in (b) for (a-c) and in (d) represents 20 μm, in (f) for (e-g) and in (h) represent 10 μm.
Fig. 4 in Redescriptions of Euplotes encysticus and E. rariseta (Protist: Ciliophora: Euplotida)
Fig. 4. Micrographs of Euplotes rariseta strain KM401 (a-c) in vivo and strain KM444 (d-f) after protargol impregnation. (a) Dorsal ridges (arrowheads) of E. rariseta, (b) ventral view showing longitudinal ridges (arrowheads), (c) ventral view showing FVC and TC, (d) ventral view showing AZM (adoral zone of membranelles), FVC (fronto-ventral cirri), TC (transvers cirri), PM (paroral membrane), (e) dorsal view showing dorsal kineties, (f) ventral view showing ventral kineties and Ma (macronucleus). Scale bars in (c) for (a-c) represent 20 μm and in (f) for (d-f) represent 10 μm.
Fig. 2 in Redescriptions of Euplotes encysticus and E. rariseta (Protist: Ciliophora: Euplotida)
Fig. 2. Micrographs of Euplotes encysticus strain KF403 (a-c) in vivo and (d-f) after protargol impregnation. (a) Dorsal views showing contractile vacuole (CV) and adoral membranelles, (b) dorsal ridges (arrowheads), (c) ventral side showing FVC (fronto-ventral cirri) and TC (transvers cirri), (d) ventral view showing AZM (adoral zone of membranelles), PM (paroral membrane), FVC, TC, CC (caudal cirri), MC (marginal cirri), Ma (macronucleus), Mi (micronucleus), (e) dorsal side showing DK (dorsal kineties), (f) note 3 CC. Scale bars in (c) for (a-c) and in (f) for (d-f) represent 20 μm.
Fig. 4 in Morphology and Phylogeny of Four Marine Scuticociliates (Protista, Ciliophora), with Descriptions of Two New Species: Pleuronema elegans spec. nov. and Uronema orientalis spec. nov.
Fig. 4. Uronema orientalis spec. nov. in vivo (A, E–J), after protargol (B–D, K) and silver nitrate staining (L). A, E – ventral views of a typical cell; B, C – ventral (B) and dorsal (C) views of the same specimen, showing infraciliature and nuclear apparatus; D, K – detailed infraciliature of buccal area, arrowhead in (K) shows the gap between the anterior part and posterior parts of membranelle 1; F, G – ventral views, to show different body shapes; H – posterior region of cell, arrow points to caudal cilia, arrowheads show somatic cilia; I – ventral view, arrow refers to blue irregularly-shaped crystal, arrowhead indicates dumbbell-shaped crystal; J – ventral view, arrow shows contractile vacuole, arrowhead marks buccal field; L – ventral view, arrow shows contractile vacuole pore. M1, 2, 3 – membranelles 1, 2 and 3; M1a – the anterior part of membranelle 1; M1b – the posterior part of membranelle 1; Ma – macronucleus; PM – paroral membrane; Sc – scutica. Scale bars: A, B, C = 50 μm; E–G, J, K = 80 μm.
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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)
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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.