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408 results for “Cysts”
FIGURE 1 in Cactodera chenopodiae (Nematoda: Heteroderidae), a new species of cyst nematode parasitizing common lambsquarter (Chenopodium album) in Liaoning, China
FIGURE 1. Light micrographs of Cactodera chenopodiae n. sp. (Female and Cyst) A. Stylet of female; B. Neck of female; C– D. Vulva and anus of female; E–F. Posterior ends of female showing vulval slit; G. Immature females on roots; H. Females; I. Mature female (full of eggs); J. Egg; K. Cyst; L. Cysts. (Scale bars: A–B, E, F, J =20 µm, C–D = 50 µm, G, I = 200 µm, H= 500 µm, K = 100 µm, L=1mm.)
FIGURE 2 in Cactodera chenopodiae (Nematoda: Heteroderidae), a new species of cyst nematode parasitizing common lambsquarter (Chenopodium album) in Liaoning, China
FIGURE 2. Light micrographs of Cactodera chenopodiae n. sp. (J2) A. Entire body of J2; B: Anterior region of J2; C–D: Tail of J2(U or V); E. Hemizonid of J2; F. Excretory pore of J2; G. Lateral field of J2. (Scale bars: A = 50 µm, B–G = 10 µm)
FIGURE 5 in New Chrysophycean cyst morphotypes and their ecology in Finland
FIGURE 5. Stomatocysts ornamented with spines: a) SK12, b) SK13. Stomatocysts ornamented with ridges: c–d) SK14. Stomatocysts ornamented with a circulus: e–f) SK15. Scale bar = 3 µm.
FIGURE 3 in New Chrysophycean cyst morphotypes and their ecology in Finland
FIGURE 3. Stomatocysts ornamented with spines: a) SK6, b) SK7, c–d) SK8, e–f) SK9. Scale bar = 3 µm.
FIGURE 2 in New Chrysophycean cyst morphotypes and their ecology in Finland
FIGURE 2. Unornamented stomatocysts: a) SK1, b–c) SK2, d) SK3. Stomatocysts ornamented with scabrae: e) SK4, f) SK5. Scale bar = 3 µm.
FIGURE 6 in New Chrysophycean cyst morphotypes and their ecology in Finland
FIGURE 6. Stomatocysts ornamented with reticulum: a–b) SK16. Stomatocysts ornamented with depressions: c–d) SK17. Stomatocysts with compound ornamentation: e–f) SK18. Scale bar = 3 µm.
Data from: Heterozygote deficits in cyst plant parasitic nematodes: possible causes and consequences
Deviations of genotypic frequencies from Hardy–Weinberg equilibrium (HWE) expectations could reveal important aspects of the biology of populations. Deviations from HWE due to heterozygote deficits have been recorded for three plant-parasitic nematode species. However, it has never been determined whether the observed deficits were due (i) to the presence of null alleles, (ii) to a high level of consanguinity and/or (iii) to a Wahlund effect. The aim of the present work was, while taking into the possible confounding effect of null alleles, to disentangle consanguinity and Wahlund effect in natural populations of those three economically important cyst nematodes using microsatellite markers: Globodera pallida, G. tabacum and Heterodera schachtii, pests of potato, tobacco and sugar beet, respectively. The results show a consistent pattern of heterozygote deficiency in the three nematode species sampled at the spatial scale of the host plant. We demonstrate that the prevalence of null alleles is weak and that heterozygote deficits do not have a single origin. Our results suggested that it is restricted dispersal that leads to heterozygote deficits through both consanguinity and substructure, which effects can be linked to soil movement, cyst density, and the number of generations per year. We discuss potential implications for the durability of plant resistances that are used to protect crops against parasites in which mating between relatives occur. While consanguineous mating leads to homozygosity at all loci, including loci governing avirulence/virulence, which favours the expression of virulence when recessive, the Wahlund effect is expected to have no particular effect on the adaptation of nematodes to resistances.
FIGURES 14–19 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURES 14–19. Stomatocyst #49, Piątek J. observed in SEM: mature stomatocyst. Note the well developed the first collar and the second collar indicated by white and grey arrows respectively.
FIGURE 1 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURE 1. Location of the sampling site in Cameroon and the general view of a lake enclosed by the Guineo-Congolian rainforest (phot. M. Piątek).
FIGURES 8–13 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURES 8–13. Stomatocyst #49, Piątek J. observed in SEM: slightly immature stomatocyst. Note the first collar and the second collar indicated by white and grey arrows respectively.
FIGURES 2–7 in Morphological variability of new chrysophyte stomatocyst forming a single-cyst assemblage in a low-conductivity tropical lake in the Guineo-Congolian rainforest
FIGURES 2–7. Stomatocyst #49, Piątek J. observed in SEM: immature stomatocyst. Note the outline of the first collar and the second collar indicated by white and grey arrows respectively.
Organisation of the nervous system in cysts of Thulinius ruffoi
<p>The data collected show the elements of the nervous system in cysts of Thu. ruffoi at specific and unspecified stages of encystment. Text files contain additional technical information.</p>
Evaluation of the Expression and Prognostic Role of Tumor Stem Cell Marker SOX2 in Odontogenic Cysts and Tumors
ClinicalTrials.gov study NCT06833840. IPD Sharing: NO. Countries: 1. Publications: 0.
Effect of Fetal Ovarian Cyst Aspiration to Prevent Torsion
ClinicalTrials.gov study NCT00222066. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Endoscopic Ultrasound (EUS)-Guided Ablation of Pancreatic Cysts
ClinicalTrials.gov study NCT01643460. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Baker Cyst Aspiration Combined With Platelet-rich Plasma Injection in Knee Osteoarthritis
ClinicalTrials.gov study NCT06605560. IPD Sharing: Not stated. Countries: 1. Publications: 9.
New Biomarkers in the Intracystic Liquid of Inflammatory and Non-inflammatory Pancreatic Cysts
ClinicalTrials.gov study NCT05568433. IPD Sharing: NO. Countries: 1. Publications: 10.
Study on Pathogenesis and Treatment of Sacral Tarlov Cysts
ClinicalTrials.gov study NCT05059275. IPD Sharing: YES. Countries: 1. Publications: 6.
Baker Cyst Dimensions and Intermittent Vacuum Therapy in Knee Osteoarthritis (BCIVT)
ClinicalTrials.gov study NCT06079684. IPD Sharing: YES. Countries: 1. Publications: 36.
Comparing Two Methods to Follow Patients With Pancreatic Cysts
ClinicalTrials.gov study NCT04239573. IPD Sharing: Not stated. Countries: 4. Publications: 1.
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