نتایج جستجو برای: defence against ahriman
تعداد نتایج: 565004 فیلتر نتایج به سال:
Some organisms employ multiple defence strategies against their enemies , while others fail to employ a defence that seems obvious. We shall investigate three questions for host-parasite systems. (1) Under what circumstances does it pay for a host to employ a given defence strategy against one of its parasites? (2) If alternative strategies are available, how is the appropriate strategy chosen?...
Defence mechanisms against intracellular bacterial pathogens are incompletely understood. Our study characterizes a type I IFN-dependent cell-autonomous defence pathway directed against Legionella pneumophila, an intracellular model organism and frequent cause of pneumonia. We show that macrophages infected with L. pneumophila produced IFNβ in a STING- and IRF3- dependent manner. Paracrine type...
Some organisms maintain a battery of defensive strategies against their exploiters (predators, parasites or parasitoids), while others fail to employ a defence that seems obvious. In this paper, we shall investigate the circumstances under which defence strategies might be expected to evolve. Brood parasites and their hosts provide our main motivation, and we shall discuss why the reed warbler ...
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