But nonpathogenic Saccharomyces cerevisiae couldn't produce biofilm.
非致病的酿酒酵母不能形成生物膜。
Wild waterfowl are the natural reservoir of all influenza a viruses, and these viruses are usually nonpathogenic in these birds.
野生水鸟是所有甲型流感病毒的自然储存宿主，通常这些病毒对它们不具有致病性。
The invention relates to an application of nonpathogenic edwarsiella tarda, belonging to the fields of immunology and microbiology.
本发明涉及免疫学和微生物学领域，具体的说是一种非致病性迟缓爱德华氏菌的应用。
The invention relates to an application of nonpathogenic edwarsiella tarda, belonging to the fields of immunology and microbiology.
本发明涉及免疫学和微生物学领域，具体的说是一种非致病性迟缓爱德华氏菌的应用。
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