Scientists have made a breakthrough in understanding how microbial spores, which caused the infamous Irish potato famine are so successful at infecting plants. It seems that Phyophthora infestans spores clump together in water, increasing the organism’s chance of infection. The infection is spread through water by the parent releasing tiny spores, called zoospores. But the mechanism by which these spores coordinate an attack on plants has been poorly understood, until now.
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