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34 results for “Euplotes”
Fig. 4A–K in Morphology and Ontogenesis of a Marine Ciliate, Euplotes balteatus (Dujardin, 1841) Kahl, 1932 (Ciliophora, Euplotida) and Definition of Euplotes wilberti nov. spec.
Fig. 4A–K. Euplotes balteatus and Euplotes wilberti nov. spec. from life (A, G), after protargol (D, J, K) and silver nitrate (B, C, E, F, H, I) impregnation. Arrows point to the marginal cirri. A – ventral view of Euplotes balteatus, to show the ventral ciliature (from Kahl 1932); B, C – ventral and dorsal views of Euplotes balteatus, showing the silverline systerm (from Tuffrau 1964); D – Euplotes balteatus, to show variations in the shape of the macronucleus; E, F – ventral and dorsal views showing the silverline system; G–K – Euplotes wilberti nov. spec., to show the live morphology (G), silverline system (H, I), infraciliature (J, K) and macronucleus (K) (from Song and Wilbert 2002). Scale bar: 30 µm.
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. 2 in Morphological and Morphogenetic Redescriptions and SSU rRNA Gene-based Phylogeny of the Poorly-known Species Euplotes amieti Dragesco, 1970 (Ciliophora, Euplotida)
Fig. 2. Photomicrographs of Euplotes amieti Dragesco, 1970 in vivo (A–H), after protargol (I–K) and silver nitrate (L, M) impregnation. (A) Ventral view of a representative individual. Arrow points to the contractile vacuole. (B, C) Different body shapes. (D) Lateral view showing flattened body. (E) Posterior part of an individual, arrowheads show the caudal cirri and arrows indicate the left marginal cirri. (F) Numerous irregular ellipsoid to oval granules (possibly mitochondria) extremely densely packed beneath dorsal and ventral pellicle. (G) Detailed view, arrows point to the basal positions of dorsal cilia. (H) Showing the endoplasm and the typical 3-shaped macronucleus. (I) Individual with three caudal cirri (arrowheads). (J, K) Ventral (J) and dorsal (K) view of the same specimen, showing the infraciliature and nuclear apparatus. (L, M) Portion of dorsal (L) and ventral (M) silverline system. Arrow indicates the position of contractile vacuole pore. Scale bars: 100 μm.
Figs 67–90 in Taxonomic Descriptions of Two Marine Ciliates, Euplotes dammamensis n. sp. and Euplotes balteatus (Dujardin, 1841) Kahl, 1932 (Ciliophora, Spirotrichea, Euplotida), Collected from the Arabian Gulf, Saudi Arabia
Figs 67–90. Morphologically similar marine Euplotes species with double-eurystomus silverline system pattern, and 10 frontoventral, two caudal, two marginal cirri. 67–72 – E. alatus Kahl, 1932 (67, 68 from Kahl 1932; 69–72 from Borror 1968); 73–75 – E. magnicirratus Carter, 1972 (from Carter 1972); 76–79 – E. trisulcatus Kahl, 1932 (76, 77 from Kahl 1932; 78, 79 from Carter 1972); 80–83 – E. quinquecarinatus Gelei, 1950 sensu Borror (1968) (from Borror 1968); 84–86 – E. wilberti Pan et al., 2012 (from Song and Wilbert 2002); 87–90 – E. parabalteauts Jiang et al., 2010 (from Jiang et al. 2010a). Scale bars: 25 μm.
Figs 54–66 in Taxonomic Descriptions of Two Marine Ciliates, Euplotes dammamensis n. sp. and Euplotes balteatus (Dujardin, 1841) Kahl, 1932 (Ciliophora, Spirotrichea, Euplotida), Collected from the Arabian Gulf, Saudi Arabia
Figs 54–66. Photomicrographs of Euplotes balteatus in vivo (54–57) and after protargol-impregnation (58–66). 54, 55 – ventral views of different individuals, arrow (54) denotes the contractile vacuole; 56 – dorsal view, arrowheads mark dominant ridges; 57 – ventral view, arrowheads mark ventral ridges, double-arrowhead denote paroral membrane; 58, 59 – different shapes of macronucleus, arrowhead (58) marks the micronucleus; 60, 61 – infraciliature on the ventral and dorsal sides; 62 – double-eurystomus type of silverline system on the ventral side; 63–66 – ventral and dorsal views of an early divider, showing the marginal cirral anlagen (63, arrowheads), frontoventral-transverse cirral anlagen (64, arrowheads), the dorsal kineties anlagen (65, arrowheads), and replication bands (66, arrowheads). Scale bars: 50 μm.
Figs 10–18 in Taxonomic Descriptions of Two Marine Ciliates, Euplotes dammamensis n. sp. and Euplotes balteatus (Dujardin, 1841) Kahl, 1932 (Ciliophora, Spirotrichea, Euplotida), Collected from the Arabian Gulf, Saudi Arabia
Figs 10–18. Morphogenesis and macronucleus of Euplotes dammamensis n. sp. after protargol impregnation. 10–12 – different shapes of macronucleus; 13, 14 – ventral and dorsal views of the same specimen at an early stage of morphogenesis, showing the appearance of frontoventral-transverse cirral anlagen (arrowheads), the developing oral primordium (arrow) and the proliferation of basal bodies in the dorsal kineties (double-arrowheads); 15, 16 – ventral and dorsal views of the same specimen showing the marginal cirral anlagen (arrowheads) and the newly formed dorsal kinety anlagen (double-arrowheads); 17, 18 – ventral and dorsal views of the same specimen showing the migratory cirral anlage in the proter (arrowhead) and the longer dorsal kinety anlagen (double-arrowheads).
Fig. 5A–R in Morphology and Ontogenesis of a Marine Ciliate, Euplotes balteatus (Dujardin, 1841) Kahl, 1932 (Ciliophora, Euplotida) and Definition of Euplotes wilberti nov. spec.
Fig. 5A–R. Morphology from life, infraciliature and silverline system of four morphologically similar Euplotes species. A–E – Euplotes minuta (from Song and Wilbert 1997a); F–J – Euplotes parabalteatus (from Jiang et al. 2010a); K–O – Euplotes orientalis (from Jiang et al. 2010b); P–R – Euplotes raikovi (from Jiang et al. 2010b). Scale bar: 20 µm.
Fig. 2A–L in Morphology and Ontogenesis of a Marine Ciliate, Euplotes balteatus (Dujardin, 1841) Kahl, 1932 (Ciliophora, Euplotida) and Definition of Euplotes wilberti nov. spec.
Fig. 2A–L. Morphogenesis of Euplotes balteatus after protargol impregnation. A, B – ventral view and macronucleus of the same specimen at an early stage to show the appearance of frontoventral transverse cirral anlagen, the developing oral primordium and macronuclear replication bands (arrows); C, D – slightly later divider, ventral view and macronucleus of the same specimen, indicating 5 FVT-cirral streaks (arrowheads) and the enlarging oral primordium; arrows point to the replication bands; E, F – ventral and dorsal views of the same specimen to show the marginal cirral anlagen (arrowheads), cirrus I/1 anlage and the newly formed dorsal kinety anlagen (DKA, macronuclear replication bands (arrows)); G, H – ventral and dorsal views of the same specimen, showing the fragmentation of the cirral anlagen, the formation of cirrus I/1 anlage for the opisthe (arrow), the UM-anlage for the opisthe and the development of the anlagen both of the marginal cirri (arrowheads) and of the dorsal kineties; I, J – ventral and dorsal views of the same middle-stage divider to show the completion of the cirral development, the differentiation of the caudal cirri (double arrowheads), the development of cirrus I/1 for the opisthe (arrow) and the marginal cirri (arrowheads); K, L – ventral and dorsal views of a late divider, showing the migration of the cirri, the development of the dorsal kineties and the dividing macronucleus. Arrowheads indicate the marginal cirri and arrows point to the caudal cirri. FVTA – frontoventral-transverse anlagen, Ma – macronucleus, DKA – dorsal kinety anlagen, MCA – migratory cirral anlagen, UMA – undulating membrane anlagen, MC – migratory cirri, OP – oral primordium. Scale bar: 30 µm.
Transcriptomic and microRNAomic profiling reveals molecular mechanisms to cope with silver nanoparticle exposure in the ciliate Euplotes vannus (miRNA-seq)
GEO Series GSE118417. Euplotes vannus. 9 samples. Type: Non-coding RNA profiling by high throughput sequencing.
Transcriptomic and microRNAomic profiling reveals molecular mechanisms to cope with silver nanoparticle exposure in the ciliate Euplotes vannus (RNA-seq)
GEO Series GSE118415. Euplotes vannus. 9 samples. Type: Expression profiling by high throughput sequencing.
Transcriptomic and microRNAomic profiling reveals molecular mechanisms to cope with silver nanoparticle exposure in the ciliate Euplotes vannus
GEO Series GSE118418. Euplotes vannus. 18 samples. Type: Expression profiling by high throughput sequencing; Non-coding RNA profiling by high throughput sequencing.
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