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, pl.


(rōp'trē, -trēs),
Electron-dense club-shaped, tubular or saccular organelles, extending back from the anterior end of sporozoites and other stages of certain sporozoans in the subphylum Apicomplexa.
[G. rhopalon, club]
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References in periodicals archive ?
[18.] Curtidor, H., et al., Plasmodium falciparum rhoptry neck protein 5 peptides bind to human red blood cells and inhibit parasite invasion.
Barois et al., "Dual role of the Toxoplasma gondii clathrin adaptor AP1 in the sorting of rhoptry and microneme proteins and in parasite division," PLoS Pathogens, vol.
Vaccination studies in mice have focused on the selection of protective antigens and the most promising experimental vaccines now combine proteins from micronemes, dense granules, and rhoptry organelles that are secreted by the parasite during active invasion of the host cell (7).
Tan et al., "Evaluation of immunoefficacy of a novel DNA vaccine encoding Toxoplasma gondii rhoptry protein 38 (TgROP38) against chronic toxoplasmosis in a murine model," BMC Infectious Diseases, vol.
Recent advances have highlighted few strain-specific parasite effectors released from the rhoptry into the host cells where they neutralize cell autonomous immunity defences or subvert the host cell transcriptome thereby governing the fate of immune response and disease outcomes.
In Toxoplasma gondii, rhoptry neck protein 2 (RON2) is the receptor for AMA1 [27].
(17) On the other hand, DNA vaccine of plasmid encoding the rhoptry protein 1 gene combined with the genetic adjuvant of pcIFN-[gamma], applied against T.
Entzeroth, "A merozoite-specific 22-kDa rhoptry protein of the coccidium Eimeria nieschulzi (Sporozoa, Coccidia) is exocytosed in the parasitophorous vacuole upon host cell invasion," Parasitology Research, vol.
Characterisation of a family of multicopy genes encoding rhoptry protein homologues in Babesia bovis, Babesia ovis and Babesia canis.
Juridical Foundation The Chemo-Sero-Therapeutic Research Institute (Kumamoto-shi, Japan) has patented a gene encoding a protein from merozoite of Babesia caballi, a recombinant protein of Babesia caballi, and an antibody capable specifically binding to a 48 kDa protein of rhoptry of Babesia caballi merozoite.
TgSUB1 is a microneme protein, whereas TgSUB2 localizes to rhoptries and associates with rhoptry protein ROP1, a potential substrate.