Induction of Proline Iminopeptidase by Nitric Oxide May Result in the Proline Accumulation in the Pea Roots.

Dokl Biochem Biophys

Kazan Institute of Biochemistry and Biophysics, Federal Research Center Kazan Scientific Center, Russian Academy of Sciences, Kazan, Russia.

Published: September 2021

The nitric oxide (NO) donor sodium nitroprusside upregulated the proline iminopeptidase content in the pea seedling roots. It is assumed that NO activates deprolinization of the proline-rich proteins, as evidenced by an increase in the content of free proline, which is known to protect plants from the abiotic and biotic stressors.

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http://dx.doi.org/10.1134/S1607672921050057DOI Listing

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