نتایج جستجو برای: metacyclic
تعداد نتایج: 555 فیلتر نتایج به سال:
BACKGROUND The surface coat of Trypanosoma cruzi is predominantly composed of glycosylphosphatidylinositol-anchored proteins, which have been extensively characterized. However, very little is known about less abundant surface proteins and their role in host-parasite interactions. METHODOLOGY/ PRINCIPAL FINDINGS Here, we described a novel family of T. cruzi surface membrane proteins (TcSMP), ...
Virulence for BALB/c mice, infectivity for Phlebotomus papatasi, haemagglutination activity and expression of metacyclic lipophosphoglycan (LPG) were studied in four strains of Leishmania major (LV561, FV1, L119 and Neal) and various lines of the LV561 strain. Attenuated line LV561/AV was passaged five times through sandflies or mice and the resulting lines (AVS5 and AVM5, respectively) and two...
The parasitic flagellate Trypanosoma brucei undergoes a series of morphologic and metabolic changes during its passage in the digestive organs of its insect vector, a Glossina or tsetse fly. This morphogenesis ends by the differentiation, in the salivary gland of the fly, of the metacyclic form, which will be transmitted in the bloodstream of the mammalian host. On the basis of DNA microfluorom...
The infective forms of Trypanosoma cruzi are the trypomastigote stages found in the bloodstream of mammalian hosts or the metacyclic trypomastigotes present in the digestive tract of the insect. Metacyclic trypomastigotes express two stage-specific glycoproteins (gp90 and gp82) that have no counterpart in blood trypomastigotes (Yoshida 1983, Teixeira & Yoshida 1986). The gp90 and gp82 are invol...
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