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Fig. 4 in First record of an infection by tissue cyst-forming coccidia in wild vizcachas (Lagostomus maximus, Rodentia) of Argentina

Fig. 4. Morphological structure of the cyst wall. Cortical brain photomicrograph shows a thin cyst wall (A). A detailed view shows that the cyst wall is made up of host-nucleated cells indicated by black arrowheads (B). In contrast, tissue cysts seen in organs other than the nervous system show a thicker cystic wall. Such is the case for those tissue cysts observed in the mammary (C–D), adrenal (E) and spleen (F) glands. The most notorious differential feature is the thick collagen outer layer in cysts outside the nervous system (white arrowheads). Bz: bradyzoites. A–B: Giemsa staining; C–D: Masson's trichrome staining. E–F: hematoxilin-eosin staining.

Fig. 2 in First record of an infection by tissue cyst-forming coccidia in wild vizcachas (Lagostomus maximus, Rodentia) of Argentina

Fig. 2. Cysts localized in adult brain and in an embryonic pituitary gland of plains vizcachas. Representative photomicrographs of histological sections of adult brains of infected vizcachas. Black arrowhead indicates a solitary tissue cyst in the striatum (A). A detailed view shows signs of inflammatory cells infiltration (arrow) (B). Silver impregnation staining allows visualization of the wall of a cortical tissue cyst (white arrowhead)(C). Embryonic pituitary exhibited multiple of cysts per section (black arrowheads) (D). Arrows indicate the radial arrangement of bradyzoites in the cyst wall in a detailed view of the embryo pituitary (E). A–B: Giemsa staining. C: silver impregnation technique. D–E: hematoxilin-eosin staining.

Fig. 1 in First record of an infection by tissue cyst-forming coccidia in wild vizcachas (Lagostomus maximus, Rodentia) of Argentina

Fig. 1. Tissue cysts in various organs of plains vizcachas. Representative photomicrographs of histological sections of ovary (A–B), uterus (C), mammary gland (D), adrenal (E), spleen (F), and suspension of cysts recovered from the superficial fascia (G), all of them collected from infected adult vizcachas. Suspension of cysts recovered from amniotic sac of an infected embryo (H). Note that while the ovaries, mammary glands, superficial fascia and fluid from amniotic sac show a high density of cysts, the rest of the organs tend to show only one or very few cysts per section. White arrowheads indicate corpora lutea and black arrowheads indicate tissue cysts. A, B, C, E and F: hematoxilin-eosin staining. D: Masson's trichrome staining.

Fig. 3 in First record of an infection by tissue cyst-forming coccidia in wild vizcachas (Lagostomus maximus, Rodentia) of Argentina

Fig. 3. Morphology of the tissue cyst recorded in plains vizcachas. Mammary gland photomicrograph illustrating a tissue cyst with a thick wall made up of a collagen fibers outer layer and the inner layer consisting of nucleated host cells enclosing thousands of spindle-shaped bradyzoites (Bz). Inset: the bradyzoites showed a conoidal (anterior) and a nonconoidal (posterior) end where the nucleus is located, and they exhibit cluster arrangements where they are ordered parallel to each other. Masson's trichrome staining.

Figure 7 in A new cyst-forming nematode, Cactodera tianzhuensis n. sp. (Nematoda:Heteroderinae) from Polygonum viviparum in China with a key to the Genus Cactodera

Figure 7: Molecular phylogenetic tree of C. tianZhUenSiS n. sp. (highlighted in bold) inferred from ITS region under GTR + I + G model. The posterior probability values exceeding 50% are given on appropriate clades. *Originally identified as C. eStOniCa in the GenBank. **Originally identified as C. eremiCa in the GenBank. ***Originally identified as C. eStOniCa in the GenBank. ****Originally identified as C. eStOniCa in the GenBank.

Figure 6 in A new cyst-forming nematode, Cactodera tianzhuensis n. sp. (Nematoda:Heteroderinae) from Polygonum viviparum in China with a key to the Genus Cactodera

Figure 6: Molecular phylogenetic tree of C. tianZhUenSiS n. sp. (highlighted in bold) inferred from 28 S D2/D3 extension region under GTR + I + G model. The posterior probability values exceeding 50% are given on appropriate clades. *Originally identified as C. eStOniCa in the GenBank. **Originally identified as C. rOSae in the GenBank. ***Originally identified as C. eStOniCa in the GenBank.

Figure 4 in A new cyst-forming nematode, Cactodera tianzhuensis n. sp. (Nematoda:Heteroderinae) from Polygonum viviparum in China with a key to the Genus Cactodera

Figure 4: Egg of C. tianZhUenSiS n. sp. A: Smooth eggshell; B: Embryo egg; C: Body of developed J2 in egg. (Scale bar = 20 µm).

Figure 3 in A new cyst-forming nematode, Cactodera tianzhuensis n. sp. (Nematoda:Heteroderinae) from Polygonum viviparum in China with a key to the Genus Cactodera

Figure 3: Vulval cones of C. tianZhUenSiS n. sp. A, C: Fenestration in vulval cone (inside); B, D: Fenestration in vulval cone (outside); E, F: Cyst surface punctations. (Scale bar = 20 µm).

Figure 2 in A new cyst-forming nematode, Cactodera tianzhuensis n. sp. (Nematoda:Heteroderinae) from Polygonum viviparum in China with a key to the Genus Cactodera

Figure 2: Light micrographs of C. tianZhUenSiS n. sp. A: Cyst; B: Cysts; C: Crush cyst; C: Female attached on the root (Scale bar: A, D = 500 μm; B, C = 1 mm).

Figure 1 in A new cyst-forming nematode, Cactodera tianzhuensis n. sp. (Nematoda:Heteroderinae) from Polygonum viviparum in China with a key to the Genus Cactodera

Figure 1: Line drawing of C. tianZhUenSiS n. sp. A: Anterior region of second-stage juvenile; B: Head of second-stage juvenile; C, H: Cyst and cysts. D: Lateral field; E: Fenestration in vulval cone; F, G: Tail of second-stage juvenile (Scale bar: H = 500 μm; C = 200 μm; A, F, E = 20 μm; B = 10 μm; D, G = 5 μm).

Fig. 4 in Prevalence, molecular characterisation and phylogenetic analyses of hydatid cysts and cysticercus tenuicollis isolates and first report of E. canadensis (G6/G7) in wild boars in Bingol province, Türkiye

Fig. 4. Haplotype network of G1/G3 haplotypes identified on the basis of partial nad5 gene (628 bp). The G1 isolates obtained in this study (Hap01-Hap04), G3 isolates (Hap05, Hap06). Hatch marks represent the number of mutations between the haplotypes and the size of circle corresponds to the frequency of each haplotype in the population. Haplotypes formed by the isolates obtained in this study are marked with an asterisk.

Fig. 3. Haplotype network for E in Prevalence, molecular characterisation and phylogenetic analyses of hydatid cysts and cysticercus tenuicollis isolates and first report of E. canadensis (G6/G7) in wild boars in Bingol province, Türkiye

Fig. 3. Haplotype network for E. canadensis (G6/G7) using cox1 gene (616 bp) sequences of different countries. The E. canadensis (G6/G7) isolate obtained in this investigation (Hap_01) and the sequences identified as G7 in the Genbank database were utilized. Circle size relative to haplotype data set frequency. Each hatch mark is representative of one nucleotide change. Haplotypes formed by the isolates obtained in this study are marked with an asterisk.

Fig. 1 in Prevalence, molecular characterisation and phylogenetic analyses of hydatid cysts and cysticercus tenuicollis isolates and first report of E. canadensis (G6/G7) in wild boars in Bingol province, Türkiye

Fig. 1. Hydatid cyst image obtained from the lung (A) and liver (B) and C. tenuicollis (C,D) image obtained from its mesentery of wild boar.

Fig. 2. Haplotype network constructed using cox1 in Prevalence, molecular characterisation and phylogenetic analyses of hydatid cysts and cysticercus tenuicollis isolates and first report of E. canadensis (G6/G7) in wild boars in Bingol province, Türkiye

Fig. 2. Haplotype network constructed using cox1 (744 bp) gene sequences of T. hydatigena. Seven haplotypes formed by the T. hydatigena isolates obtained in this study: (Hap 1-Hap 7). Circle size relative to haplotype data set frequency. Each hatch mark is representative of one nucleotide change. Haplotypes formed by the isolates obtained in this study are marked with an asterisk.

opencc-by-4.0Nov 2016View details →

FIGURE 2. Dinoflagellate cysts. 2.1 in New palynological evidence for the age of the Beda Formation, Sirte Basin, Libya

FIGURE 2. Dinoflagellate cysts. 2.1. cf. Cyclonephelium sp. (6854' 8", slide 1: 97.2 x 23). Size: 41x31 µm. 2.2. Canningia sp. (6854' 8", slide 2: 95 x 37.7). Size: 28x17 µm. 2.3. Spiniferites ramosus group (6854' 8", slide 2: 95 x 37.7). Cyst diameter 19 µm; and process length 3-4.5 µm. 2.4. Batiacasphaera compta (6871' 4", Slide 1: 91.5x33.4). Cyst diameter 32x27 µm. 2.5. Homotryblium floripes (6871, slide 1: 95.9x32.1) Cyst diameter 38µm; and process length 12-15 µm. 2.6. Spiniferites ramosus group (6863, slide 2: 97.8 x 33). Cyst diameter 27 µm; and process length 5 µm. 2.7. Polysphaeridium subtile (6863, slide 2: 104.8 x 38). Cyst diameter 13 µm; process length 2-3 µm. 2.8. Operculodinium centrocarpum (6863, slide 1: 100 x 38.8). Cyst diameter 28x24µm; and process length 4-5 µm. 2.9. Fibrocysta cf. bipolaris (6871' 4", slide 1: 96.5x30.5). Cyst diameter 42x34 µm; process length 12-18 µm. 2.10. Homotryblium floripes (6871' 4", slide 1: 94.7x28.2). Cyst diameter 42x31 µm; process length 12-15 µm.

opencc-by-4.0Feb 2024View details →

Table 2 in New observations of Papulifères, putative ciliate cysts, from the plankton of the Chukchi Sea (Western Arctic Ocean) in August of 2023

Table 2. The morphological characteristics and sample data (stations and nominal concentrations) of the apparently new Papulifère forms found in the samples taken in 2023. LD refers to longest dimension of the main body (excluding filaments if present). In Morphology Notes, ‘Differs from fig. x.x’ refer to the figures in Dolan et al. 2023; figures are also given in the Supplementary File.<table><thead><tr><th>Cyst type</th><th>Morphology Notes</th><th>Station (s) found [conc. #L-1] # specimens</th></tr></thead><tbody><tr><th>2A</th><td>Fusopsis sp., spindle smooth surface/LD 115 µm Differs from fig 6j in larger size and absence of a posterior knob</td><td>37 [0.01] 2</td></tr><tr><th>2B</th><td>Fusopsis sp., spindle smooth surface/LD 75–85/µm short (3–5µm) filaments Differs from figs 6 f,g,l in larger size and spine lengths & numbers</td><td>40 [.007] 1</td></tr><tr><th>2C</th><td>Fusopsis sp., spindle smooth surface/LD 50µm/5 long, 25 µm filaments Differs from fig 6c in overall shape small size</td><td>54 [0.016] 1</td></tr><tr><th>2D</th><td>Fusopsis sp., spindle smooth surface/LD 50 µm/ 3 pairs 30 µm filaments Differs from fig 6g,1 in larger size and filaments in pairs</td><td>59 [0.007] 1</td></tr><tr><th>2E</th><td>Sphaeropsis sp., oblong smooth surface/ LD 35µm/ 3 10 µm filaments Differs from fig 7f in smaller size and smooth surface</td><td>10 [0.04] 1</td></tr><tr><th>2F</th><td>Sphaeropsis sp., oblong smooth surface/LD 70 µm Differs from fig 7h in smaller size and ovoid shape</td><td>10 [0.01] 4</td></tr><tr><th>2G</th><td>Sphaeropsis sp., spherical smooth surface/LD 80 µm Differs from fig 7h in smaller size</td><td>39 [0.08] 2, 60 [0.08] 1</td></tr><tr><th>2H</th><td>Sphaeropsis sp., oblong smooth surface/LD 105 µm Differs in overall size and shape from other Sphaeropsis in fig7</td><td>40 [0.004] 1</td></tr></tbody></table>

opencc-by-4.0Feb 2024View details →

Table 1. Summary data for the 36 in New observations of Papulifères, putative ciliate cysts, from the plankton of the Chukchi Sea (Western Arctic Ocean) in August of 2023

Table 1. Summary data for the 36 stations sampled in 2023. Depth given is the vertical extent of the plankton net tow from the depth indicated to the surface. Chlorophyll a concentration (Chl a) is average integrated concentration (µg L-1) throughout the water column from the surface to approximately the depth of the plankton net tow. Cyst types found refer to the new forms shown in here in Figure 2 (2A-2H), and in the Figures 6 (6A, 6E, 6D) and 7 (7A, 7G, 7H, 7I, 7J, 7K, 7N) in Dolan et al. (2023). For convenience, the supplementary file contains images of all now known Chukchi Sea Papulifère forms in two plates, one showing the 16 spindle-shaped Fusopsis forms, another showing the 18 the spherical and oblong Sphaeropsi s forms.<table><thead><tr><th>St #</th><th>Date Aug 2023</th><th>lat (N°)</th><th>long (W°)</th><th>Tow Depth (m)</th><th>Station Depth</th><th>Chl a</th><th>SST (C°)</th><th>cyst types found</th></tr></thead><tbody><tr><th>1</th><td>3</td><td>65,17</td><td>–168,69</td><td>45</td><td>55</td><td>1,45</td><td>9,9</td><td>Ø</td></tr><tr><th>2</th><td>3</td><td>66,63</td><td>–168,69</td><td>35</td><td>45</td><td>7,47</td><td>7,8</td><td>Ø</td></tr><tr><th>3</th><td>3</td><td>67,67</td><td>–168,96</td><td>45</td><td>55</td><td>9,92</td><td>6</td><td>Ø</td></tr><tr><th>8</th><td>4</td><td>68,24</td><td>–167,12</td><td>38</td><td>48</td><td>0,74</td><td>12,6</td><td>Ø</td></tr><tr><th>9</th><td>4</td><td>69,17</td><td>–168,67</td><td>43</td><td>53</td><td>0,58</td><td>9,9</td><td>Ø</td></tr><tr><th>10</th><td>5</td><td>70,50</td><td>–168,67</td><td>35</td><td>45</td><td>6,48</td><td>6</td><td>2E, 2F</td></tr><tr><th>11</th><td>5</td><td>71,43</td><td>–168,67</td><td>40</td><td>50</td><td>0,75</td><td>7,9</td><td>Ø</td></tr><tr><th>13</th><td>5</td><td>72,36</td><td>–168,66</td><td>50</td><td>60</td><td>6,16</td><td>1</td><td>6A</td></tr><tr><th>16</th><td>6</td><td>73,89</td><td>–168,19</td><td>100</td><td>183</td><td>1,5</td><td>1</td><td>Ø</td></tr><tr><th>18</th><td>6</td><td>74,80</td><td>–167,90</td><td>100</td><td>195</td><td>0,413</td><td>1</td><td>Ø</td></tr><tr><th>21</th><td>7</td><td>76,00</td><td>–170,49</td><td>100</td><td>1315</td><td>1,22</td><td>–0,5</td><td>6A, 7H, 7K, 7N</td></tr><tr><th>23</th><td>8</td><td>77,00</td><td>–170,00</td><td>100</td><td>2214</td><td>0,53</td><td>–1,1</td><td>6A</td></tr><tr><th>24</th><td>8</td><td>77,00</td><td>–174,99</td><td>100</td><td>2012</td><td>0,34</td><td>–1,3</td><td>Ø</td></tr><tr><th>25</th><td>9</td><td>77,00</td><td>179,95</td><td>100</td><td>1081</td><td>0,09</td><td>–1,2</td><td>OE</td></tr><tr><th>27</th><td>12</td><td>78,54</td><td>–177,58</td><td>100</td><td>1009</td><td>0,07</td><td>–1,2</td><td>7K</td></tr><tr><th>28</th><td>13</td><td>80,00</td><td>172,40</td><td>100</td><td>2702</td><td>0,14</td><td>–1</td><td>6A</td></tr><tr><th>29</th><td>14</td><td>79,00</td><td>172,80</td><td>100</td><td>2561</td><td>0,15</td><td>–0,9</td><td>Ø</td></tr><tr><th>30</th><td>14</td><td>78,00</td><td>173,20</td><td>100</td><td>1133</td><td>0,14</td><td>0,3</td><td>Ø</td></tr><tr><th>31</th><td>15</td><td>77,00</td><td>173,60</td><td>100</td><td>740</td><td>0,4</td><td>0,2</td><td>Ø</td></tr><tr><th>32</th><td>15</td><td>76,00</td><td>173,61</td><td>100</td><td>265</td><td>0,2</td><td>–1,1</td><td>7H</td></tr><tr><th>33</th><td>16</td><td>75,00</td><td>173,60</td><td>100</td><td>147</td><td>0,07</td><td>–0,06</td><td>6E</td></tr><tr><th>36</th><td>16</td><td>74,00</td><td>170,16</td><td>40</td><td>52</td><td>0,1</td><td>–0,8</td><td>Ø</td></tr><tr><th>37</th><td>17</td><td>74,69</td><td>174,62</td><td>60</td><td>72</td><td>0,2</td><td>–1</td><td>2A</td></tr><tr><th>39</th><td>18</td><td>75,73</td><td>177,18</td><td>100</td><td>499</td><td>0,15</td><td>–1,3</td><td>2G</td></tr><tr><th>40</th><td>20</td><td>75,07</td><td>176,80</td><td>100</td><td>196</td><td>0,31</td><td>–1,2</td><td>2B, 2H, 7I, 7N</td></tr><tr><th>43</th><td>21</td><td>75,16</td><td>–179,97</td><td>100</td><td>539</td><td>0,35</td><td>–1,4</td><td>6D, 6E, 7J</td></tr><tr><th>45</th><td>21</td><td>75,15</td><td>–176,00</td><td>100</td><td>327</td><td>1,36</td><td>–1</td><td>Ø</td></tr><tr><th>47</th><td>22</td><td>75,24</td><td>–171,97</td><td>100</td><td>505</td><td>2,73</td><td>–0,7</td><td>6A, 7J</td></tr><tr><th>50</th><td>23</td><td>75,69</td><td>–166,64</td><td>100</td><td>392</td><td>3,1</td><td>–0,9</td><td>6A, 7H, 7N</td></tr><tr><th>52</th><td>23</td><td>76,57</td><td>–164,36</td><td>100</td><td>550</td><td>0,019</td><td>–1,1</td><td>7G</td></tr><tr><th>54</th><td>24</td><td>77,47</td><td>–164,10</td><td>100</td><td>280</td><td>0,32</td><td>–1,3</td><td>2C, 7J</td></tr><tr><th>56</th><td>25</td><td>77,49</td><td>–158,73</td><td>100</td><td>1323</td><td>0,02</td><td>–1,3</td><td>7H, 7J</td></tr><tr><th>57</th><td>26</td><td>76,30</td><td>–156,22</td><td>100</td><td>725</td><td>0,23</td><td>–0,1</td><td>Ø</td></tr><tr><th>58</th><td>26</td><td>76,52</td><td>–159,78</td><td>100</td><td>2113</td><td>0,21</td><td>–1</td><td>Ø</td></tr><tr><th>59</th><td>27</td><td>75,50</td><td>–161,15</td><td>100</td><td>2098</td><td>0,2</td><td>–0,5</td><td>2D, 7A</td></tr><tr><th>60</th><td>27</td><td>74,52</td><td>–162,15</td><td>100</td><td>1596</td><td>0,27</td><td>1,8</td><td>2G, 6A, 7A, 7H</td></tr></tbody></table>

opencc-by-4.0Jun 2023View details →

Dinoflagellate cysts and benthic foraminifera from surface sediments of Svalbard fjords and shelves as paleoenvironmental indicators

Supplementary Table 1. Seasonally averaged sea-ice cover, SST and SSS data used for the multivariate statistical analysis. Supplementary Table 2. Relative abundances of individual dinoflagellate cyst taxa, total cyst concentration [cysts g-1], and relative abundance of auto- and heterotrophic cysts at each station. Supplementary Table 3. Relative abundances of individual benthic foraminifera taxa, total benthic foraminifera concentration [forams g-1], and relative abundance of calcareous and agglutinated benthic foraminifera at each station.

opencc-by-4.0Apr 2023View details →

Fig. 6. The 12 in On Papulifères, putative ciliate cysts of diverse morphologies, with new observations from the plankton of the Chukchi Sea (Arctic Ocean)

Fig. 6. The 12 fusiform (spindle-shaped, and oblong) Fusuposis papuliferid cyst forms found in Chukchi Sea plankton net tow material. The specimens shown in A, B, D, E, I, K, and L are all from the 2022 station 16. Scale bars all represent 50 µm.