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10 results for “Ancylostoma”
Fig. 1 in First report of Ancylostoma ceylanicum in wild canids
Fig. 1. Lateral view of male bursa of A. ceylanicum clearly showing divergent externolateral ray (EL) and closely associated mediolateral (ML) and posteriolateral (PL) rays. The externodorsal (ED) ray is indicated at the attachment point to the dorsal trunk (DT).
Fig. 2 in First report of Ancylostoma ceylanicum in wild canids
Fig. 2. Hookworm populations in wild dogs and scats collected in north-east Queensland, Australia. (Circle size reflects the number of positive samples collected in the surrounding area; the segments indicate the composition of the population according to species, as represented in Table 1.) ‡Dual infection indicates infection with both A. ceylanicum and A. caninum.
FIGURE 3 in Stoibocephalum n. gen. (Cestoda: Lecanicephalidea) from the sharkray, Rhina ancylostoma Bloch & Schneider (Elasmobranchii: Rhinopristiformes), from northern Australia
FIGURE 3. Light micrographs of Stoibocephalum arafurense n. gen., n. sp. (A) Cross-section through mature proglottid anterior to genital pore (paratype, LRP 7945). (B) Cross-section through mature proglottid between cirrus sac and ovary (paratype, LRP 7943). (C) Cross-section through mature proglottid at level of ovarian bridge (paratype, LRP 7946); asterisks (*) indicate excretory vessels. (D) Cross-section through anterior region of strobila (paratype, QM G233995); asterisks (*) indicate excretory vessels. (E) Egg (paratype, QM G233992). Abbreviations: CS, cirrus sac; ESV, external seminal vesicle; O, ovary; OC, ovicapt; OD, oviduct; T, testis; VA, vagina; VF, vitelline follicle; U, uterus.
FIGURE 1 in Stoibocephalum n. gen. (Cestoda: Lecanicephalidea) from the sharkray, Rhina ancylostoma Bloch & Schneider (Elasmobranchii: Rhinopristiformes), from northern Australia
FIGURE 1. Line drawings of Stoibocephalum arafurense n. gen., n. sp. (A) Scolex (holotype, QM G233981). (B) Mature proglottid (paratype, USNPC 106064.00); arrowheads indicate locations at which cross-sections in Figs. 3A–C were taken; vitelline follicles above cirrus sac are drawn with dashed lines. (C) Whole worm (holotype, QM G233981); arrowhead indicates location at which cross-section in Fig. 3D was taken.
FIGURE 2 in Stoibocephalum n. gen. (Cestoda: Lecanicephalidea) from the sharkray, Rhina ancylostoma Bloch & Schneider (Elasmobranchii: Rhinopristiformes), from northern Australia
FIGURE 2. (A–M) Scanning electron micrographs and (N) light micrograph of histological section of Stoibocephalum arafurense n. gen., n. sp. (A) Scolex; small letters indicate location of detail in Figs. 2B–E. (B) Surface of scolex proper anterior to suckers covered with scolopate spinitriches and acicular to capilliform filitriches. (C) Scolex proper surface between suckers covered with capilliform filitriches. (D) Sucker surface covered with scolopate spinitriches and acicular to capilliform filitriches. (E) Strobilar surface covered with shorter capilliform filitriches and small coniform spinitriches (see inset) at posterior proglottid margin. (F) Mature proglottid with everted cirrus. Small letter indicates detail in Fig. 2I. (G) Close-up of base of cirrus. Small letter indicates detail in Fig. 2H. (H) Surface of base of cirrus covered with capilliform filitriches. (I) Close-up of proglottid dehiscence; white arrowhead indicates egg. (J) Frontally bisected scolex with retracted apical organ. White arrowheads indicate boundary between apical organ and apical modification of scolex proper (AMSP); black arrowheads indicate boundary between AMSP with acicular filitriches and AMSP with capilliform filitriches; and grey arrowheads indicate puckered rim of AMSP. Small white letters indicate detail in Figs. 2K–L. (K) Invaginated surface of AMSP covered with capilliform filitriches. (L) Surface of the AMSP flanking the apical organ covered with acicular filitriches. (M) Apical organ surface covered with acicular filitriches. (N) Longitudinal section of scolex in situ. White arrowheads indicate boundary between apical organ and AMSP; black arrowheads indicate boundary between AMSP with acicular filitriches and AMSP with capilliform filitriches; and grey arrowheads indicate protruded rim of aperture of AMSP (see arrowheads in Fig. 2J for comparison). Abbreviation: AO, apical organ.
Data from: Gene expression profiles associated with the transition to parasitism in Ancylostoma caninum larvae
Ancylostoma caninum is a common canine parasite responsible for anemia and death in infected dogs. Gene expression profiling was used to investigate molecular differences between two different forms of the third larval stage (L3s): infective free-living larvae and in vitro serum-stimulated larvae that mimic the initial stages of parasitism of a host. We developed an A. caninum cDNA microarray consisting of 4191 EST clones, and used it to identify a set of 113 genes that are differentially regulated between infective and parasitic larval stages. Real-time RT-PCR was used to confirm the expression differences of a subset of the genes. Of the genes repressed upon serum stimulation, seven encode members of the 'Ancylostoma secreted protein' ASP family, while another transcript encoding a 24 kDa excretory protein with similarity to ASP was up-regulated in serum-stimulated L3s. This suggests that different members of a protein family that has important implications for the hookworm's parasitic lifestyle are regulated in a complementary manner in response to serum stimulation. Comparison of two strains of A. caninum from North Carolina and Maryland only identified a single gene, one of the members of the ASP family, that was differentially repressed upon serum stimulation.
Data from: Gene expression profiles associated with the transition to parasitism in Ancylostoma caninum larvae
Open the record for dataset details and reuse information.
Data from: Impact of population structure on genetic diversity of a potential vaccine target in the canine hookworm (Ancylostoma caninum)
Open the record for dataset details and reuse information.
Gene expression in HT-29-MTX intestinal epithelial cells treated with Ancylostoma ceylanicum hookworm larvae
GEO Series GSE93620. Homo sapiens. 4 samples. Type: Expression profiling by high throughput sequencing.
Fig. 1 in Investigation of Dalea parryi (Fabaceae) metabolites for anthelmintic activity against the human pathogenic hookworm Ancylostoma ceylanicum
Fig. 1. Structures of compounds 1–13 isolated from Dalea parryi.
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