概括

工程化益生菌可以在肠道中拦截有毒的酸盐,防止其吸收到血液中. 这种合成生物学方法提供了一种新的策略,以减轻受污染的食物和水对健康的风险.

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Here's a detailed walkthrough of this complex system:
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The GI tract, from beginning to end, is made up of four continuous tissue layers that adjust their structure according to their specific roles. These layers, from innermost to outermost, are known as the mucosa, submucosa, muscularis, and serosa, which are continuous with the mesentery.
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Digestion begins in the mouth, where food undergoes mechanical breakdown by chewing and combines with saliva. Salivary amylase, an enzyme in saliva, starts the breakdown of starches into maltose. The food then travels down the esophagus to the stomach.
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