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408 results for “Cysts”
Stressor-induced ecdysis and thecate cyst formation in the armoured dinoflagellates Prorocentrum cordatum
<p>The culture of the dinoflagellates Prorocentrum cordatum was subjected to various stressors to induce the process of ecdysis. The stressors were centrifugation, vortexing, changes in temperature, salinity and pH, application of 2,3-dichlorobenzonitrile and tetracycline. The rates of complete ecdysis and ecdysis initiation, as well as mortality rate were calculated following the treatments. Rate of ecdysis induced by centrifugation was additionally estimated in the cultures at the different growth phases.</p>
Dinoflagellate cyst and pollen counts in combination with environmental parameters from the northern Gulf of Mexico
<p>Counts from dinoflagellate cysts and pollen from 21 surface sediments collected from the northern Gulf of Mexico. The dataset also includes the environmental parameters used for the redundancy analysis in the article. Supplement to: Yedema et al., (2023); Dinoflagellate cyst and pollen assemblages as tracers for marine productivity and river input in the northern Gulf of Mexico (https://doi.org/10.5194/jm-42-257-2023)</p>
Figure 8 from: Fanelli E, Vovlas A, Santoro S, Troccoli A, Lucarelli G, Trisciuzzi N, De Luca F (2019) Integrative diagnosis, biological observations, and histopathology of the fig cyst nematode Heterodera fici Kirjanova (1954) associated with Ficus carica L. in southern Italy. ZooKeys 824: 1-19. https://doi.org/10.3897/zookeys.824.26820
Figure 8 Phylogenetic trees of the 18S rRNA gene of Heteroderafici and the closest species. Sequences were analysed using the Maximum Likelihood method. Numbers at nodes indicate bootstrap values.
Figure 7 from: Fanelli E, Vovlas A, Santoro S, Troccoli A, Lucarelli G, Trisciuzzi N, De Luca F (2019) Integrative diagnosis, biological observations, and histopathology of the fig cyst nematode Heterodera fici Kirjanova (1954) associated with Ficus carica L. in southern Italy. ZooKeys 824: 1-19. https://doi.org/10.3897/zookeys.824.26820
Figure 7 Phylogenetic trees of the D2–D3 expansion domains of the 28S rRNA gene of Heteroderafici and the closest species. Sequences were analysed using the Maximum Likelihood method. Numbers at nodes indicate bootstrap values.
Figure 2 from: Fanelli E, Vovlas A, Santoro S, Troccoli A, Lucarelli G, Trisciuzzi N, De Luca F (2019) Integrative diagnosis, biological observations, and histopathology of the fig cyst nematode Heterodera fici Kirjanova (1954) associated with Ficus carica L. in southern Italy. ZooKeys 824: 1-19. https://doi.org/10.3897/zookeys.824.26820
Figure 2 LM micrographs of Heteroderafici from Italy. A Embryonated egg with evident second stage juvenile stylet B Second stage juvenile anterior end C Second stage juvenile tail D Male tail with the characteristic tail tip E Females on Ficuscarica roots F whole body of newly formed cyst G Females and cysts H-J Vulval cone structures, with clear illustration of vulval slit (in H), fenestral area (in I) and bullae (in J). Scale bars: 20 µm (A-D, H-J); 200 µm (F); 500 µm (E, G).
Figure 5 from: Fanelli E, Vovlas A, Santoro S, Troccoli A, Lucarelli G, Trisciuzzi N, De Luca F (2019) Integrative diagnosis, biological observations, and histopathology of the fig cyst nematode Heterodera fici Kirjanova (1954) associated with Ficus carica L. in southern Italy. ZooKeys 824: 1-19. https://doi.org/10.3897/zookeys.824.26820
Figure 5 RFLP profiles of the ITS of Heteroderafici digested with four restriction enzymes. M 100 bp DNA ladder (Promega); 1 Alu I 2 Hae III 3 Rsa I 4 Pst I.
Figure 1 from: Fanelli E, Vovlas A, Santoro S, Troccoli A, Lucarelli G, Trisciuzzi N, De Luca F (2019) Integrative diagnosis, biological observations, and histopathology of the fig cyst nematode Heterodera fici Kirjanova (1954) associated with Ficus carica L. in southern Italy. ZooKeys 824: 1-19. https://doi.org/10.3897/zookeys.824.26820
Figure 1 Line drawings of Heteroderafici from Italy. A, B Anterior body portions of second stage juvenile C, D Second stage juvenile tail E Female anterior region F, G Cyst shape H Fenestral structures J, K Male tail, showing spicules and cloacal tube I Male pharyngeal region.
Figure 4 from: Fanelli E, Vovlas A, Santoro S, Troccoli A, Lucarelli G, Trisciuzzi N, De Luca F (2019) Integrative diagnosis, biological observations, and histopathology of the fig cyst nematode Heterodera fici Kirjanova (1954) associated with Ficus carica L. in southern Italy. ZooKeys 824: 1-19. https://doi.org/10.3897/zookeys.824.26820
Figure 4 Post invasion development of Heteroderafici on Ficuscarica roots. A Second stage juvenile within cortical layer, oriented in parallel position to the root axis B Newly formed cyst with gelatinous egg sac C Male inside 4th stage cuticle D Different sized syncytia (S) induced by female (the larger one), and by male. Abbreviations: j = juvenile; m = male; c = cyst; hn = hypertrophied nuclei. Scale bars: 50 µm (A, C); 200 µm (B); 100 µm (D).
Figure 6 from: Fanelli E, Vovlas A, Santoro S, Troccoli A, Lucarelli G, Trisciuzzi N, De Luca F (2019) Integrative diagnosis, biological observations, and histopathology of the fig cyst nematode Heterodera fici Kirjanova (1954) associated with Ficus carica L. in southern Italy. ZooKeys 824: 1-19. https://doi.org/10.3897/zookeys.824.26820
Figure 6 Phylogenetic trees of ITS containing region of Heteroderafici and the closest species. Sequences were analysed using the Maximum Likelihood method. Numbers at nodes indicate bootstrap values.
Figure 3 from: Fanelli E, Vovlas A, Santoro S, Troccoli A, Lucarelli G, Trisciuzzi N, De Luca F (2019) Integrative diagnosis, biological observations, and histopathology of the fig cyst nematode Heterodera fici Kirjanova (1954) associated with Ficus carica L. in southern Italy. ZooKeys 824: 1-19. https://doi.org/10.3897/zookeys.824.26820
Figure 3 SEM photographs of the main cyst diagnostic characters of Heteroderafici from Italy. A Female anterior end B Lateral view of terminal cone C, D Fenestral area and anus E Maze-like cyst cuticular ornamentation F Cyst anal area G Male lateral fields. Scale bars: 10 µm (A, G); 20 µm (B–F).
Dataset on: Incidence and geographical distribution of cereal cyst nematode (CCN, Heterodera spp.) in winter wheat fields in Algeria
<p>Cereal cyst nematodes (CCN, <em>Heterodera</em> spp.) are the most damaging plant-parasitic nematode species on wheat, causing severe economic loss in global wheat production. In summer 2015, we analyzed samples collected from 22 wheat fields in Algeria using the Fenwick can technique. The study revealed that 54.55 % of wheat fields were infested with cereal cyst nematodes. The species was observed in several locations in the northern part of Algeria but not in the southern desert area. Population densities of CCNs in soil varied between the regions at an infestation rate of between 0.6 ± 0.54 and 86.6 ± 19.96 cysts per 500 g of dried soil. Furthermore, we found an average of 56.33±15.18 and 364.70 ± 81.93 second-stage juveniles and eggs/cyst. The infestation was most severe in cereal fields in Draa Semar and Djendel with 86.6 ± 19.96 cyst/500g of soil and 57.4±17.55 cysts/500g of soil, respectively. Infestation was lowest in fields in Ras Elouad, Sidi Mbarek and Sedraia with 0.6 ± 0.54 cysts/500g of soil; 1.6 ± 1.67 cysts/500g of soil and 2.4 ± 1.67 cysts/500g of soil, respectively. <em>Heterodera</em> spp. was distributed throughout the cereal growing province in Algeria and could cause economic loss in these regions.</p>
Fig. 4 in Puzzle-like Cyst Wall in Centrohelid Heliozoans Raphidiophrys heterophryoidea and Raineriophrys erinaceoides
Fig. 4. Raphidiophrys heterophryoidea. Scanning electron micrographs of air-dried excysted individuals. A – second type cyst scale; view from the concave side; B – group of interconnected second type cyst scales; C – cyst scales of both types; D – group of interconnected second type scales, underlayed with a layer of first type scales; E–I – individual second type cyst scales; J – individual first type cyst scale. * – secondary septa. Scale bars: 2 μm.
Fig. 2 in Dinoflagellate Cysts Stratigraphy And Palynofacies Of Oligocene Sequences In The Northern Eastern Carpathians
Fig. 2 Dinoflagellate assemblages from the studied section (scale bar 30 µm). a, b. Botryococcus sp. (transmitted light and fluorescence; P174); c. Batiacasphaera explanata (P176); d. Batiacasphaera sp. (P180); e. Batiacasphaera cf. micropapillata (P185); f. Pentadinium laticinctum (P183); g. Lingulodinium cf. machaerophorum (P183); h. Homotryblium tenuispinosum (P185); i. Thalassiphora pelagica (P185); j. Operculodinium centrocarpum (P185); k. Membranophoridium aspinatum (P185); l. Tytthodiscus sp. (P185); m. Dapsilidinium pseudocolligerum (P185); n. Selenopemphix nephroides (P185); o. Cleistosphaeridium placacanthum (P185); p. Spiniferites sp. (P185); q, r. Wetzeliella gochtii (P185); s. Wetzeliella symmetrica (P183); t. Wetzeliella spinula (P185); u, v. Rhombodinium draco (P185); x, y. Deflandrea phosphoritica (P185).
Figure 5 in Morphometric and genetic variability among Mediterranean cereal cyst nematode (Heterodera latipons) populations in Turkey
Figure 5. PCR products of Heterodera latipons using AB28 and TW81 universal primers yielded a single fragment of approximately 1060 bp. L: 100-bp DNA ladder; C: negative control.
Figure 4 in Morphometric and genetic variability among Mediterranean cereal cyst nematode (Heterodera latipons) populations in Turkey
Figure 4. Fenestral area of Heterodera latipons vulval cones from Adana (A), Hatay (B), Kilis (C), Gaziantep (D), and Mardin (E).
FIGURE 4 in New Chrysophycean cyst morphotypes and their ecology in Finland
FIGURE 4. Stomatocysts ornamented with spines: a–d) SK10, e–f) SK11. Scale bar = 3 µm.
FIGURE 1 in New Chrysophycean cyst morphotypes and their ecology in Finland
FIGURE 1. Location of study lakes and Finland's location in Northern Europe.
Figure 2 from: Rao U, Rao S, Rathi A, Gothalwal R, Atkinson H (2011) A comparison of the variation in Indian populations of pigeonpea cyst nematode, Heterodera cajani revealed by morphometric and AFLP analysis. ZooKeys 135: 1-19. https://doi.org/10.3897/zookeys.135.1344
Figure 2 - AFLP Autoradiogram of pigeon pea cyst nematode Heterodera cajani with EcoRI (+AAG) + MseI, (+CAG) and EcoRI (+AAA) + MseI (CTA). Lane 1 to 11: Heterodera cajani populations from Andhra Pradesh, Allahabad, Bahadurgarh, Coimbatore, Kanpur-1, Ghaziabad, Gilberga, Hisar, Delhi, Kanpur-2, andMeja.
Figure 3 from: Rao U, Rao S, Rathi A, Gothalwal R, Atkinson H (2011) A comparison of the variation in Indian populations of pigeonpea cyst nematode, Heterodera cajani revealed by morphometric and AFLP analysis. ZooKeys 135: 1-19. https://doi.org/10.3897/zookeys.135.1344
Figure 3 - Dendograms from cluster analysis of Heterodera cajani a) for 1278 amplified restriction fragment digests using 24 primer pairs and b) the four primer pairs that suggest a similar dendogram to the full set. The using the upper tail rule the best cut procedure indicated the highest number of significant cluster partitions was 3 as in both cases with realised deviates and t statistics respectively of a) 1.47 and 4.66 and b) 1.59 and 5.04.
Figure 1 from: Rao U, Rao S, Rathi A, Gothalwal R, Atkinson H (2011) A comparison of the variation in Indian populations of pigeonpea cyst nematode, Heterodera cajani revealed by morphometric and AFLP analysis. ZooKeys 135: 1-19. https://doi.org/10.3897/zookeys.135.1344
Figure 1 - Dendograms from cluster analysis a) for the nine biometric measurements made on second stage juveniles of eleven populations of Heterodera cajani (see Table 2 for data) b) vulval cones of cysts of the same populations. (See Table 3 for data). The using the upper tail rule the best cut procedure indicated the highest number of significant cluster partitions was for a) 2 and for b) 3 with realized deviates and t- statistics respectively of a) 2.71 and 8.56 and b) 1.04 and 3.27.
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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)
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.