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A systematic retrospective study shows that patients with or without digestive surgery experienced significant changes in their gut microbiota, characterized by an increased proportion of gram-negative bacteria (Lederer et al., 2017)

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Trends Plant Sci 16:160168 He Y, Tang RH, Hao Y, Stevens RD, Cook CW, Ahn SM, Jing L, Yang Z, Chen L, Guo F, Fiorani F, Jackson RB, Crawford NM, Pei ZM (2004) Nitric oxide represses the Arabidopsis floral transition