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A plant chitinase controls cortical infection thread progression and nitrogen-fixing symbiosis (eLIFE)

Nitrogen-fixing bacteria produce species-specific chitin-like molecules, Nod factors, which induce nodule development and infection thread formation in the host plant, aiding microbial infection. Malolepszy et al. performed a detailed study of symbiotic defective mutants in lotus (chit5), where the nodule…