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Scientists discovered a 407-million-year-old plant-fungus partnership in a Scottish fossil, revealing early land colonization.
Scientists have found the earliest known evidence of a plant-fungus partnership in a 407-million-year-old fossil from Scotland, revealing a symbiotic relationship crucial for early land colonization.
The fossil, of the plant Aglaophyton majus, contains a newly named fungus, Rugososporomyces lavoisierae, with structures indicating nutrient exchange—fungi likely supplied minerals, plants provided sugars.
Advanced imaging techniques confirmed arbuscules, key signs of mycorrhizal symbiosis, offering the clearest chemical and structural proof to date.
The discovery, published in New Phytologist in November 2025, highlights fungi’s vital role in early terrestrial ecosystems and advances understanding of life’s transition to land.
Los científicos descubrieron una asociación de plantas y hongos de hace 407 millones de años en un fósil escocés, revelando la colonización temprana de la tierra.