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flag Transgenic American chestnut trees show strong resistance to blight in new studies.

flag Four independent studies confirm that transgenic American chestnut trees with the oxalate oxidase gene show strong resistance to chestnut blight. flag These trees developed significantly smaller blight cankers compared to non-transgenic counterparts and performed similarly to Chinese chestnuts, the current benchmark for resistance. flag Researchers found no negative effects on tree growth, supporting the potential for large-scale restoration of the species.

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