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Predatory or competitive interactions between microbes are poorly understood but likely influence global nutrient cycles. Here, the authors show that Pseudomonas bacteria could immobilize algal cells, potential prey, by releasing secondary metabolites that induce a Ca2+ signal and algal deflagellation.
Gene editing reveals that the tomato ripening-inhibitor (rin) mutation encodes an active repressor of ripening, refines our understanding of RIN function and highlights strategies for engineering shelf life control.