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15 results for “Quadrigyridae”
Figs. 1-8 in On The Immature Stages Of Pallisentis (Pallisentis) Celatus (Acanthocephala: Quadrigyridae) From Occasional Fish Hosts In Vietnam
Figs. 1-8. Immature Pallisentis (P.) celatus from the intestine of fish intermediate hosts. 1-4- Progressively developing males from young (Fig. 1) to fully developed cystacanth (Fig. 4); 5-8- Progressively developing females from young (Fig. 5) to fully developed cystacanth (Fig. 8). Measurement bars = 1.0 mm.
Fig. 5. a in Morphological and molecular description of Pallisentis roparensis n. sp. (Acanthocephala: Quadrigyridae) infecting the freshwater cat fish Wallago attu from Ropar Wetland, Punjab, India
Fig. 5. a-histological section of small intestine of uninfected fish (Wallago attu) showing intestinal villi with a continuous epithelium; b-ruptured intestinal villi of the infected fish host; c-unusual branching of villi and dilated lymphatic vessels in mucosa of infected small intestine; d-abrasion and desquamation of the mucosal epithelium in infected fish; e– hyperplasia of the intestinal villi at the site of parasite attachment; f-magnified view of the infiltrated immune cells in the sub mucosal layer of the infected intestine (M-mucosa, SM-submucosa, ML-muscularis, DL-dilated lymphatic vessels, UBunusual branching, DSE-desquamated intestinal epithelium, HP- hyperplasia, MP- macrophage).
Fig. 4. Maximum likelihood tree generated using ITS1-5.8S-ITS2 in Morphological and molecular description of Pallisentis roparensis n. sp. (Acanthocephala: Quadrigyridae) infecting the freshwater cat fish Wallago attu from Ropar Wetland, Punjab, India
Fig. 4. Maximum likelihood tree generated using ITS1-5.8S-ITS2 gene sequence of Pallisentis roparensis and the sequences of related taxa downloaded from GenBank. Numbers near internal nodes show ML bootstrap clade frequencies.
Fig. 3. Maximum likelihood tree generated using 28S in Morphological and molecular description of Pallisentis roparensis n. sp. (Acanthocephala: Quadrigyridae) infecting the freshwater cat fish Wallago attu from Ropar Wetland, Punjab, India
Fig. 3. Maximum likelihood tree generated using 28S rRNA gene sequence of Pallisentis roparensis and the sequences of related taxa downloaded from GenBank. Numbers near internal nodes show ML bootstrap clade frequencies.
Fig. 2. Maximum likelihood tree generated using 18S in Morphological and molecular description of Pallisentis roparensis n. sp. (Acanthocephala: Quadrigyridae) infecting the freshwater cat fish Wallago attu from Ropar Wetland, Punjab, India
Fig. 2. Maximum likelihood tree generated using 18S rRNA gene sequence of Pallisentis roparensis and the sequences of related taxa downloaded from GenBank. Numbers near internal nodes show ML bootstrap clade frequencies.
Fig. 1 in Morphological and molecular description of Pallisentis roparensis n. sp. (Acanthocephala: Quadrigyridae) infecting the freshwater cat fish Wallago attu from Ropar Wetland, Punjab, India
Fig. 1. Line drawings of specimens of Pallisentis roparensis from Wallago attu. a-male; b-posterior end of the male; c-proboscis (female); d-hooks of the proboscis declining gradually in the size; e– conical trunk spines; f- Y-shaped collar spines; g-mature egg; h-female; i-posterior end of the female.
FIGURE 22 in Description of Pallisentis thapari n. sp. and a re-description of Acanthosentis seenghalae (Acanthocephala, Quadrigyridae, Pallisentinae) using morphological and molecular data, with analysis on the validity of the sub-genera of Pallisentis
FIGURE 22. Phylogenetic tree generated by Chaudhary et al. (2019) using maximum likelihood (ML) analysis of 18s rDNA sequence data of Pallisentis indica and related species. Tree modified from Chaudhary et al. (2019) to remove distance values and different branch lengths but retaining hypothesized phylogenetic relationships and to include the names of species associated with the sequences identified in the present work. Putative sub-genera (sensu Amin et al. 2000) indicated in color.
FIGURES 9–14 in Description of Pallisentis thapari n. sp. and a re-description of Acanthosentis seenghalae (Acanthocephala, Quadrigyridae, Pallisentinae) using morphological and molecular data, with analysis on the validity of the sub-genera of Pallisentis
FIGURES 9–14. Drawing of specimens of Acanthosentis seenghalae Chowhan, Gupta, Khera, 1988: 9. Male worm; 10. Proboscis; 11. Hooks of the proboscis; 12. Female worm; 13. Posterior end and gonopore; 14. Eggs. Scale bars: 9 = 1 mm; 10 and 12 = 500 µm; 11 = 20 µm; 13 = 200 µm; 14 = 100 µm.
FIG. 2 in Morphological and Molecular Characterization of Two New and Two Already Known Species of the Genus Pallisentis (Acanthocephala: Quadrigyridae) from India with an Update in Key to the Species
FIG. 2 Line drawings of specimens of Pallisentis longus n. sp. a– male; b– posterior end of male; c– proboscis (female); d– mature egg; e– proboscis hooks declining gradually in size; f– female; g– posterior end of female. Scale a– 1 mm; b– 1000 µm; c– 500 µm; d 100 µm; e 100 µm; f 1 mm; g– 200 µm.
FIG. 1 in Morphological and Molecular Characterization of Two New and Two Already Known Species of the Genus Pallisentis (Acanthocephala: Quadrigyridae) from India with an Update in Key to the Species
FIG. 1 Line drawings of specimens of Pallisentis himachalensis n. sp. a– male; b– posterior end of male; c– proboscis (female); d– mature egg; e– proboscis hooks declining gradually in size; f– female; g– posterior end of female. Scale a– 1 mm; b–1000 µm; c– 500 µm; d–50 µm; e– 100 µm; f–1 mm; g– 100 µm.
FIG. 3 Bayesian phylogenetic tree inferred from 18S in Morphological and Molecular Characterization of Two New and Two Already Known Species of the Genus Pallisentis (Acanthocephala: Quadrigyridae) from India with an Update in Key to the Species
FIG. 3 Bayesian phylogenetic tree inferred from 18S rRNA marker of the four newly generated sequences representing four species and sequence data set of genus Pallisentis from database. The numerical values near internal nodes represent Bayesian posterior probability values
FIG. 4 Bayesian phylogenetic tree inferred from ITS1–5.8S–ITS2 in Morphological and Molecular Characterization of Two New and Two Already Known Species of the Genus Pallisentis (Acanthocephala: Quadrigyridae) from India with an Update in Key to the Species
FIG. 4 Bayesian phylogenetic tree inferred from ITS1–5.8S–ITS2 marker of the four newly generated sequences representing four species and sequence data set of genus Pallisentis from database. The numerical values near internal nodes represent Bayesian posterior probability values.
FIGURE 21 in Description of Pallisentis thapari n. sp. and a re-description of Acanthosentis seenghalae (Acanthocephala, Quadrigyridae, Pallisentinae) using morphological and molecular data, with analysis on the validity of the sub-genera of Pallisentis
FIGURE 21. Single phylogenetic tree produced by the parsimony analysis of 18s rDNA sequences including the sequence of Pallisentis thapari n. sp., Acanthosentis seenghalae Chowhan, Gupta, Khera, 1988, and the sequences of the taxa downloaded from GenBank: names of species associated with sequences in the present work are included (see Table 1 for the taxon names given in GenBank). Putative sub-genera (sensu Amin et al. 2000) indicated in color.
FIGURES 1–8 in Description of Pallisentis thapari n. sp. and a re-description of Acanthosentis seenghalae (Acanthocephala, Quadrigyridae, Pallisentinae) using morphological and molecular data, with analysis on the validity of the sub-genera of Pallisentis
FIGURES 1–8. Drawing of specimens of Pallisentis thapari n. sp.: 1. Male worm; 2. Posterior part of male; 3. Proboscis; 4. Hooks of the proboscis; 5. Trunk spines with optically dense Y-shaped core; 6. Female worm containing ovarian balls; 7. Posterior end and gonopore with ovarian balls shown in uterine bell; 8. Eggs. Scale bars: 1, 2 and 6 = 1.0 mm; 3, 4, 5 and 7 = 100 µm; 8 = 10 µm.
FIGURES 15–20 in Description of Pallisentis thapari n. sp. and a re-description of Acanthosentis seenghalae (Acanthocephala, Quadrigyridae, Pallisentinae) using morphological and molecular data, with analysis on the validity of the sub-genera of Pallisentis
FIGURES 15–20. Scanning electron micrographs: 15. Proboscis of Pallisentis thapari n. sp. showing hooks that decrease in size from anterior to posterior rings; 16. Trunk spines of P. thapari n. sp. with optically dense Y-shaped core and conical exterior; 17. Hooked point of a collar spine of P. thapari n. sp; 18. Bursa of a male worm of P. thapari n. sp.; 19. Trunk spines of a specimen of Acanthosentis seenghalae; 20. Proboscis of a male worm of A. seenghalae. Scale bars: 15 = 50 µm; 16, 18 and 19 = 100 µm; 17 = 10 µm; 20 = 20 µm.
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