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致病菌和潜在致病性微生物在消化道内的定植,是受宿主机体与其固有菌群(Lndigenous flora)强烈相互作用的数不清的机制控制的。控制感染细菌或霉菌的定植的这一过程,主要依靠消化道固有菌群的成分。这种控制机理是宿主机体及其固有菌群之间密切配合的结果,叫做定植抗力(Colonizatiqn resislance 简称 CR)。
Colonization of pathogenic and potentially pathogenic microorganisms in the digestive tract is governed by the innumerable mechanisms by which the host organism strongly interacts with its native flora (Lndigenous flora). This process of controlling the colonization of infected bacteria or mold relies heavily on the composition of the indigenous flora of the digestive tract. This control mechanism is the result of the close cooperation between the host organism and its indigenous flora, called Colonization Resistance (CR).