نتایج جستجو برای: host reservior
تعداد نتایج: 213708 فیلتر نتایج به سال:
The Kub-e- Zar area is located about 75 Km in southeast of Semnan. Electron microprobe analyses of plagioclases of mafic microgranular enclaves and plutonic host rocks from Kuh-e-Zar area display that they have normal, oscillatory and reverse zoning, so that plagioclase cores of reverse zoning in enclaves have oligoclase and andesine compositions and their rims have andesine and laboradori...
Abstract It was shown that several pathogenic bacterial effector proteins contain the Glu-Pro-Ile-Tyr-Ala (EPIYA) or a similar sequence. These bacterial EPIYA effectors are delivered into host cell via type III or IV secretion system, where they undergo tyrosine phosphorylation at the EPIYA sequences, which triggers interaction with multiple host cell SH2 domain-containing proteins and thereby...
Introduction and purpose: Ticks as biological vectors and reservoirs of diseases, such as Crimean-Congo hemorrhagic fever (CCHF), have an important role in the transmission of pathogens to humans and animals. In this regard, this study aimed to determine the biodiversity indices, distribution, and fauna of the vectors of CCHF in Ahvaz, Iran. Methods: The tick samples were collected and identif...
In recent years, the number of recombinant proteins used for therapeutic applications and industry has increased dramatically. Recombinant proteins are produced in many host organisms (microbial, insect, plant and mammalian cells). There are many factors to consider when choosing the optimal system for protein expression and purification including the mass, purity or solubility of the recombina...
In endemic areas, some parasitic infections may be related to cancer induction or induction of immune responses against cancer. In some cases, parasites cause disease in their host, and in other cases, they reach a biological balance with them. Parasite invasion of the host depends on some factors such as parasite species, life cycle, enzyme production, and host immunity. The results of various...
The Mississippi Valley Type Pb-Zn ore deposits of northern Semnan could be classified as 1) Eram Series in north-west of Shahmirzad and 2) Shahmirzad Series in south and east of Shahmirzad. The host rocks of these mineralizations are Cretaceous carbonates and fawlts have a major role in controlling hypogene ore formation. Age, mineralogy and structural evidences of both series show a resemblanc...
Leishmaniasis is a tropical parasitic disease that has become a major health challenge in many countries of the world. Not only has not been found any effective vaccine or treatment for the disease eradication, but also the advent of drug resistance is also increasing. Therefore, it is vital to take a precise attention to the physiochemical cycles of the Leishmania parasite and to identify i...
The Ghikhlar area is located at the NW Marand town, East Azarbaidjan. The wide range of Plio-Quaternary volcanic activites with volcanic and associated volcano-clastic rocks having compositions mainly as andesite to silica-undersaturated rocks (leucite basanite, leucite-tephrite and tephrite) have been covered mostly the rock units prior to the Cenozoic. The phenocrysts in andesites are amphibo...
Viruses are obligatory intracellular parasites that use cell proteins to take the control of the cell functions in order to accomplish their life cycle. Studying the viral-host interactions would increase our knowledge of the viral biology and mechanisms of pathogenesis. Studies on pathogenesis mechanisms of lyssaviruses, which are the causative agents of rabies, have revealed some important ho...
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