Motility and infectivity of Plasmodium berghei sporozoites expressing avian Plasmodium gallinaceum circumsporozoite protein
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چکیده
منابع مشابه
Cross-protection between attenuated Plasmodium berghei and P. yoelii sporozoites
An attenuated Plasmodium falciparum sporozoite (PfSPZ) vaccine is under development, in part, based on studies in mice with P. berghei. We used P. berghei and P. yoelii to study vaccine-induced protection against challenge with a species of parasite different from the immunizing parasite in BALB/c mice. One-hundred percent of mice were protected against homologous challenge. Seventy-nine percen...
متن کاملRoles of the Amino Terminal Region and Repeat Region of the Plasmodium berghei Circumsporozoite Protein in Parasite Infectivity
The circumsporozoite protein (CSP) plays a key role in malaria sporozoite infection of both mosquito salivary glands and the vertebrate host. The conserved Regions I and II have been well studied but little is known about the immunogenic central repeat region and the N-terminal region of the protein. Rodent malaria Plasmodium berghei parasites, in which the endogenous CS gene has been replaced ...
متن کاملTRAP Is Necessary for Gliding Motility and Infectivity of Plasmodium Sporozoites
Many protozoans of the phylum Apicomplexa are invasive parasites that exhibit a substrate-dependent gliding motility. Plasmodium (malaria) sporozoites, the stage of the parasite that invades the salivary glands of the mosquito vector and the liver of the vertebrate host, express a surface protein called thrombospondin-related anonymous protein (TRAP) that has homologs in other Apicomplexa. By g...
متن کاملViability and Infectivity of Cryopreserved Plasmodium Vivax Sporozoites.
Plasmodium vivax presents a great challenge to malaria control because of the ability of its dormant form in the liver, the hypnozoite, to cause relapse in otherwise fully recovered patient. Research efforts to better understand P. vivax hypnozoite biology have been hampered by the limited availability of its sporozoite form responsible for liver infection. Thus, the ability to cryopreserve and...
متن کاملInhibitor of Cysteine Proteases Is Critical for Motility and Infectivity of Plasmodium Sporozoites
UNLABELLED Malaria is transmitted when motile sporozoites are injected into the dermis by an infected female Anopheles mosquito. Inside the mosquito vector, sporozoites egress from midgut-associated oocysts and eventually penetrate the acinar cells of salivary glands. Parasite-encoded factors with exclusive vital roles in the insect vector can be studied by classical reverse genetics. Here, we ...
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ژورنال
عنوان ژورنال: Cellular Microbiology
سال: 2005
ISSN: 1462-5814,1462-5822
DOI: 10.1111/j.1462-5822.2005.00503.x