Proline

Proline accumulation is a general response to abiotic stress in the date palm tree (Phoenix dactylifera L.)

M. W. Yaish, Proline accumulation is a general response to abiotic stress in the date palm tree (Phoenix dactylifera L.), vol. 14. pp. 9943-9950, 2015.

Plants exposed to certain abiotic stress conditions tend to produce the amino acid proline, which acts as an active osmolyte, a metal chelator, an antioxidant, and a signaling molecule. There is increasing evidence that proline accumulates in plants due to a wide range of abiotic stress, in particular high soil salinity and drought. Therefore, proline content is often used as a marker-assisted breeding tool aimed at improving drought and salinity tolerance.

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