一沙一世界——由微生物到肠道共生菌的认识

An Invisible World:from Microbes to“Fogotten Organ”

“一沙一世界,一叶一天堂,手中掌无限,刹那是永恒。”每当读起这首英国浪漫主义诗人布莱克(W.Blake)的《天真的预言》(Auguries of innocence),都令我感到它是如此贴切地描述了我们身边的微观生物世界。我们无论是体内还是体外,都时时刻刻处于微生物的包围之中,它们无处不在。人体中有它们.土壤里有它们,大气中有它们,海洋里有它们,淡水中也有它们。

Microbes play fundamental roles in ecosystems everywhere on earth, and the gut microbiota has pervasive influence on human physiology and pathology. The characteristics and history of microbes and gut flora are briefed.