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PFOA accumulation in the leaves of basil (Ocimum basilicum L.) and its effects on plant growth, oxidative status, and photosynthetic performance
Summary
Researchers examined how basil plants absorb and accumulate PFOA (a persistent fluorinated pollutant) and found that despite measurable uptake in leaves, the plants showed no significant growth impairment, oxidative damage, or reduced photosynthesis. This apparent tolerance may be linked to activation of detoxification pathways involving glutathione S-transferase enzymes.
Despite of the absorption and accumulation of discrete amount of PFOA in the basil plants, the analysed parameters at biometric, physiological and biochemical level in the leaves did not reveal any damage effect, possibly due to the activation of a detoxification pathway likely involving GST.