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53 results for “Alveolata”
Fig. 2 in Hyaloklossia Labb´e, 1896 (Alveolata: Apicomplexa) in frogs: Description of a new species and proposing a new subfamily to accommodate these enigmatic parasites
Fig. 2. Light microscopy of hematoxylin and eosin-stained sections of renal tissue of Pelophylax porosus porosus. Hyaloklossia sporocysts and/or oocysts congregated in a diffused manner in the renal interstitium (circles), and some were found solitarily in renal epithelial cells or in the lumen (arrowheads). Bar = 200 μm. A highresolution version of this slide for use with the Virtual Microscope is available as eSlide: VM06312.
Fig. 5 in Hyaloklossia Labb´e, 1896 (Alveolata: Apicomplexa) in frogs: Description of a new species and proposing a new subfamily to accommodate these enigmatic parasites
Fig. 5. Phylogenetic trees of coccidian parasites belonging to the subfamilies Toxoplasmatinae, Eumonosporinae, and Cystoisosporinae and related taxa using 18S (A), 28S (B), and cox1 (C) sequence data. Sarcocystis rileyi (Sarcocystidae: Sarcocytinae) was used as an outgroup. The nodes are labeled using support from the bootstrap values obtained for neighbor joining (left) and maximum likelihood (right) methods. The unlabeled nodes and hyphens indicate support <50. Scale bars represent the substitutions per site.
Fig. 1 in Hyaloklossia Labb´e, 1896 (Alveolata: Apicomplexa) in frogs: Description of a new species and proposing a new subfamily to accommodate these enigmatic parasites
Fig. 1. Light microscopy of Hyaloklossia sporocysts in the kidney of Pelophylax porosus porosus. (A) Mature sporocysts within a cyst-like structure are visible in the renal interstitium. (B) Squash preparation of kidney showing numerous immature sporocysts. Note the granular cytoplasm of the sporoblasts (sporonts) and the barely visible membrane surrounding them. (C) A sporocyst (arrowhead) in the renal endothelial cell. (D) Mature oocyst (arrowhead) with two sporocysts in the renal endothelial cell. Asterisk indicates renal tubules. Bars = 25 μm.
Fig. 2 in Black-spotted pond frog Pelophylax nigromaculatus as a new host for the renal coccidian genus Hyaloklossia (Alveolata: Apicomplexa)
Fig. 2. Phylogenetic tree of based on cox1 sequences of Hyaloklossia and related species belonging to Toxoplasmatinae (Toxoplasma, Neospora, Hammondia, Heydornia), Cystososporinae (Cystoisospora) and Eumonosporinae (Eumonospora) constructed using the neighbor joining method. The nodes are labeled using support from the bootstrap values obtained for the neighbor joining (left) and maximum likelihood (right) methods. Pn: Pelophylax nigromaculatus.
Fig. 1 in Black-spotted pond frog Pelophylax nigromaculatus as a new host for the renal coccidian genus Hyaloklossia (Alveolata: Apicomplexa)
Fig. 1. Light microscopy of Hyaloklossia oocysts in the kidney of Pelophylax nigromaculatus. A. Immature oocyst showing the sporont with granular cytoplasm that does not fill the space inside the oocyst completely. B. An immature oocyst showing the sporoblast with very thin wall. C. An immature oocyst (left) and mature sporocyst (right). D. A mature oocyst with two sporocysts. Arrowhead and arrows indicate oocyst wall and sporocyst residuum, respectively. Scale bar = 5 μm.
Fig. 1. a in On the Enigmatic Hook of the Metaradiophryids (Alveolata, Ciliophora)
Fig. 1. a – ventral view of a medium-sized Metaradiophrya asymmetrica (135 µm × 55 µm) fixed in Schaudinn's fluid and stained in Mallory's anilin blue-orange G-acid fuchsin; b – right lateral view showing the normal shape of the ciliate; cv – contractile vacuole, h – hook, manu – macronucleus, minu – micronucleus (after Beers 1938).
Fig. 3 in On the Enigmatic Hook of the Metaradiophryids (Alveolata, Ciliophora)
Fig. 3. Scanning electron micrographs of Metaradiophrya. a – anterior part of the cell. An area of the hook region (asterisk) shows cilia of a different length and arrangement from the somatic ciliature. b–d – the anterior part of the hook is covered by a fold (arrow); e – occasionally the apical fold of the hook is missing (arrow). Somatic cilia in close vicinity to the tuft of cilia are longer (arrowhead); f – the hook is flanked by a right and a left strip, resulting in an inverted V-structure. Scale bars: 25 µm (a), 10 µm (b–f).
FIGURE 3 in Checklist of ciliates (Alveolata: Ciliophora) that inhabit in bromeliads from the Neotropical Region
FIGURE 3. Ciliate species from Mexican bromeliads included in the present study: m. Colpoda lucida, n. C. cucullus, o. C. cavicola, p. C. maupasi, q. Emarginatophrya aspera, r. C. inflata, s. Cyclidium glaucoma, t. Paracolpoda lajacola, u. P. steinii, v. Bromeliothrix metopoides macrostome, w. microstomous theront of B. metopoides, x. microstomous trophont of B. metopoides. MA-macronucleus; m, p-x: Cells impregnated with the dry silver nitrate method (Foissner, 2014); n. Cell impregnated with nigrosine; o: Cells with silver carbonate impregnation (Fernández-Galiano 1976). Scale bars: 10µm.
FIGURE 2 in Checklist of ciliates (Alveolata: Ciliophora) that inhabit in bromeliads from the Neotropical Region
FIGURE 2. Ciliate species from Mexican bromeliads included in the present study: a. Fragmocirrus espeletiae, b. Gonostomum bromelicola, c. Leptopharynx bromeliophilus, d. L. brasiliensis, e. L. bromelicola, f. L. costatus, g. Chilodonella uncinata, h. Glaucomides bromelicola, i. Epistylis plicatilis (in vivo), j. Bromeliophrya brasiliensis, k. Drepanomonas revoluta, l. D. sphagni. MA-macronucleus; a, b, g, h, k: cells with protargol procedure (Foissner 2014); c-f, j, l. Cells impregnated with the dry silver nitrate method (Foissner 2014). Scale bars: 10µm.
FIGURE 6 in Rumen ciliates (Alveolata, Ciliophora) associated with goats: checklist, geographic distribution, host specificity, phylogeny and molecular dating
FIGURE 6. Dated phylogeny obtained through Maximum Likelihood for endosymbiont ciliates of the Trichostomatia subclass. The red vertical line represents the radiation period of the Caprinae subfamily (Ropiquet & Hassanin 2005 a, b). The green circles represent the nodes and the possible period in millions of years of diversification of the Isotrichidae (4.3–15.5) and Ophryoscolecidae (1.0–5.7) families. My—Millions of years.
FIGURE 4 in Rumen ciliates (Alveolata, Ciliophora) associated with goats: checklist, geographic distribution, host specificity, phylogeny and molecular dating
FIGURE 4. Interaction network between ciliate protozoa species associated with goats and other hosts. The bars in grey and black represent some hosts that associate with ciliates and the ciliate protozoa species, respectively. The colored arrows (ranging from black to red) represent the associations between hosts and ciliate species. The size of the grey and black bars represents the hosts and ciliate species with greater or lower association, respectively (Dogiel 1928; Dehority 1974; Vasily & Mitchell 1974; Wilkinson & Van Hoven 1976; Kleynhans & Hoven 1976; Van Hoven et al. 1979; Dehority 1987; Towne et al. 1988; Dehority 1995; Selim et al. 1996; Dehority 1997; Wright & Lynn 1997; Selim et al. 1999; Dehority et al. 1999; Franzolin & Dehority 1999; Su et al. 2000; Imai et al. 2004; Talar et al. 2004; De la Fuente et al. 2006; Obanda et al. 2008; Del Valle et al. 2008; Martinele & D'Agosto 2008; Mishima et al. 2009; Booyse & Dehority 2012; Baraka 2012; Booyse et al. 2014; Booyse et al. 2015; Cerón Cucchi et al. 2016; Cedrola et al. 2016; Cedrola et al. 2017; Kimura et al. 2017; Gürelli 2017; Gürelli 2018; Cedrola et al. 2018).
FIGURE 5 in Rumen ciliates (Alveolata, Ciliophora) associated with goats: checklist, geographic distribution, host specificity, phylogeny and molecular dating
FIGURE 5. Phylogenetic tree obtained through Maximum Likelihood representing evolutionary relationships of some species of ciliates, based on 18S rDNA sequences. The red color represents species observed in studies with rumen samples from goats. Subclass Haptoria was chosen as outgroup. The values in each node of the tree mean, respectively: Maximum Likelihood (ML) bootstrap and Bayesian inference (BI) values of posterior probability. Scale bar represents 3 substitutions per 100 nucleotide positions.
FIGURE 2 in Rumen ciliates (Alveolata, Ciliophora) associated with goats: checklist, geographic distribution, host specificity, phylogeny and molecular dating
FIGURE 2. Schematic representation of the association of ciliate protozoa genera and the host species of the Caprinae subfamily. The numbers around the circle represent the number of times a genus has been observed in a host. The colors red, pink, caramel and dark orange of the bars represent, respectively, the hosts Capra hircus, Rupicapra rupicapra, Capra pyrenaica, and Capra ibex, and the genera associated with them. The lines within the circle indicate the association between host species and the genera.
FIGURE 3 in Rumen ciliates (Alveolata, Ciliophora) associated with goats: checklist, geographic distribution, host specificity, phylogeny and molecular dating
FIGURE 3. Geographic and quantitative distribution of the ciliate protozoa species associated with goats. Some regions in the map (Spain, former Czechoslovakia, Italy, South Korea and Japan), were amplified for better visualization of the geographic boarders (Lubinsky 1955; Christl 1958; Imai et al. 1978; Lee 1979; Crha et al. 1985; Fernandez-Galiano & Campos 1992; Ito et al. 1995; Gurung et al. 2002; Göçmen & Atatur 2002; Göçmen et al. 2002; Mermer et al. 2003; Rastgeld & Göçmen 2003; Göçmen & Rastgeldi 2004; Talar et al. 2004; Göçmen et al. 2005; Göçmen & Karaoðlu 2005; De la Fuente et al. 2006; Mermer et al. 2006; Göçmen & Sezgin 2006; De la Fuente et al. 2009; Baraka 2012; Gürelli 2014; Gürelli et al. 2016; Mohamed 2017).
FIGURE 1 in Rumen ciliates (Alveolata, Ciliophora) associated with goats: checklist, geographic distribution, host specificity, phylogeny and molecular dating
FIGURE 1. Schematic drawings of the rumen ciliate species described in goats (Christl 1958; Fernandez-Galiano & Campos 1992; Göçmen & Rastgeldi 2004; Göçmen et al. 2005). A. Entodinium alpinum; B. Entodinium ibicis; C. Entodinium couturier; D. Entodinium wertheimi; E. Entodinium salmani; F. Ophryoscolex monoacanthus. G-H: frequent species in observations of caprine rumen samples; G. Isotricha prostoma; H. Dasytricha ruminantium; I. Entodinium dubardi; J. Entodinium caudatum; K. Entodinium exiguum; L. Entodinium minimum; M. Entodinium simplex; N. Entodinium longinucleatum; O. Epidinium ecaudatum. Abbreviations: ACZ, adoral ciliary zone; CV, contractile vacuole; CS, caudal spine; Ma, macronucleus; Mi, micronucleus; Ve, vestibulum; Sk, skeletal plate. Scale bar:10μm.
FIGURE 1 in Intestinal ciliates (Alveolata, Ciliophora) in Brazilian domestic horses (Equus caballus L.) and a review on the ciliate communities associated with horses around the world
FIGURE 1. Intestinal ciliates recorded in Brazilian domestic horses (Equus caballus, L.), after staining by Lugol's Solution. a- d. Family Blepharocorythidae Hsiung; e-j. Family Buetschliidae Poche; k.l. Family Cyclosposthiidae. a. Blepharocoys angusta, b. Blepharocorys cardionucleata; c. Blepharocorys curvicula; d. Blepharocorys valvata; e. Bundleia elongata; f. Bundleia posticiliata, g. Bundleia vorax, h. Buissonela tapiri, i. Didesmis quadrata, j. Polymorphella ampula, k. Cycloposthium edentatum, l. Tripalmaria dogieli. ACZ. Adoral ciliary zone, CCZ. caudal ciliary zone, CV. Contractile vacuole, CoV: Concrection vacuole, FL: frontal lobe, Ma. macronucleus, Sk. skeletal plate, Ve. Vestibulum. Scale bars: 10 µm.
FIGURES 27–39 in Resdescription of two synhymeniid ciliates, Chilodontopsis simplex Ozaki & Yagiu, 1941 and Zosterodasys transverses (Kahl, 1928) Foissner et al., 1994 (Alveolata, Ciliophora, Phyllopharyngea)
FIGURES 27–39. Morphology and infraciliature of Chilodontopsis spp. (27) C. depressa, from Foissner et al. 1994. (28) C. vermiformis, from Deroux 1978. (29) C. kurensis, from Alekperov 1985. (30) C. acuta, from Ozaki & Yagiu 1941. (31) C. pseudonassula, from Penard 1922. (32) C. caudata, from Kahl 1933. (33) C. muscorum, from Kahl 1931. (34) C. simplex, from Ozaki & Yagiu 1941. (35) C. ovalis, from Biernacka 1963. (36, 37) C. muscorum, from Foissner 1984. (38) C. hisioensis, from Ozaki & Yagiu 1941. (39) C. nemerosa, from Ozaki & Yagiu 1941. Scale bars = 20 µm.
FIGURES 1–10 in Resdescription of two synhymeniid ciliates, Chilodontopsis simplex Ozaki & Yagiu, 1941 and Zosterodasys transverses (Kahl, 1928) Foissner et al., 1994 (Alveolata, Ciliophora, Phyllopharyngea)
FIGURES 1–10. Chilodontopsis simplex (1–4) and Zosterodasys transverses (5–10) from life (1, 2, 5–8) and after protargol impregnation (3, 4, 9, 10). (1, 5) Ventral view of a typical individual. (2, 7) Ventral views, showing the cell shape and distribution of contractile vacuoles. (3, 4, 9, 10) Ventral (3, 9) and dorsal (4, 10) views of infraciliature, arrowhead in (10) indicates the dikinetids of synhymenium on dorsal side. (6) Lateral view. (8) A close-up of the ventral side, showing the cortical granules between somatic kineties. CV = contractile vacuole; CVP = contractile vacuole pore; Cyp = cytopyge; Ma = macronucleus; Sy = synhymenium. Scale bars = 40 µm.
FIGURES 19–26 in Resdescription of two synhymeniid ciliates, Chilodontopsis simplex Ozaki & Yagiu, 1941 and Zosterodasys transverses (Kahl, 1928) Foissner et al., 1994 (Alveolata, Ciliophora, Phyllopharyngea)
FIGURES 19–26. Photomicrographs of Zosterodasys transverses from live cells (19–22) and after protargol impregnation (23–26). (19–21) Ventral views, arrows indicate the contractile vacuole on ventral side. (22) A close-up of anterior portion of ventral side. (23, 26) Details of oral area, showing the cytostome (asterisk), nematodesmal rods, and synhymenium. (24) Arrows refer to the contractile vacuole pores on ventral side. (25) Showing the nulcear apparatus. D = diatom; Ma = macronucleus; Mi = micronucleus; N = nematodesmal rods; Sy = synhymenium. Scale bars = 40 µm.
FIGURES 11–18 in Resdescription of two synhymeniid ciliates, Chilodontopsis simplex Ozaki & Yagiu, 1941 and Zosterodasys transverses (Kahl, 1928) Foissner et al., 1994 (Alveolata, Ciliophora, Phyllopharyngea)
FIGURES 11–18. Photomicrographs of Chilodontopsis simplex from live cells (11, 12) and after protargol impregnation (13– 18). (11, 12) Ventral views of typical individuals, arrow indicates the caudal contractile vacuole. (13–16) Ventral (13, 15, 16) and dorsal (14) views of the infraciliature, arrows indicate the synhymenium. (17, 18) Ingested diatoms. D = diatom; Ma = macronucleus. Scale bars = 30 µm.
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