Production of the light-activated elsinochrome phytotoxin in the soybean pathogen Coniothyrium glycines hints at virulence factor
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Researchers discovered that a fungus infecting soybean plants produces red toxins that become dangerous when exposed to light. These toxins generate reactive oxygen species that damage plant cells, causing leaf spots and disease. The study found that disease is worse under light conditions but can still occur in darkness, suggesting multiple attack mechanisms. Understanding this toxin production may help develop better disease management strategies for soybean crops, particularly in Africa where the disease is common.