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hostIn biology, an organism that is parasitized by another. In commensalism, the partner that does not benefit may also be called the host. host
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Stanley Falkow's investigations into the intimate relationships between bacteria and host cells followed his comment that, "The microbe is just trying to make a living. Recent studies have shown that Toxoplasma gondii stimulates host cells through TLR2 and TLR4, activates B lymphocytes, NK and NKT cells, and stimulates Interferongamma and NO production. But when too many host cells die, bacteria can kill a host before they're ready to jump ship--thus hurting the bacterial species' chances for survival. |
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