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Article

Cytosolic proline is required for basal freezing tolerance in Arabidopsis.

Plant, cell & environment - 1 Jan 2022

Hoermiller Imke I, Funck Dietmar, Schönewolf Lilli, May Henrik, Heyer Arnd G

Abstract excerpt

The amino acid proline accumulates in many plant species under abiotic stress conditions, and various protective functions have been proposed. During cold stress, however, proline content in Arabidopsis thaliana does not correlate with freezing tolerance. Freezing sensitivity of a starchless plastidic phosphoglucomutase mutant (pgm) indicated that localization of proline in the cytosol might stabilize the plasma...

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PMID: 34605046
DOI: 10.1111/pce.14196

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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