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Updated: Aug 8, 2026

Identification of Plant Ice-binding Proteins Through Assessment of Ice-recrystallization Inhibition and Isolation Using Ice-affinity Purification
Published on: May 5, 2017
Phospholipid degradation in frozen plant cells associated with freezing injury
Abstract:
A striking degradation of phosphatidylcholine into phosphatidic acid was observed in the cortical tissues of less hardy poplar (Poplus euramericani cv. gelrica), when the tissues were frozen below a lethal temperature. No change in phospholipids was detected during freezing or even after thawing in the cortical tissues of hardy poplar which survived slow freezing to -30 C or even immersion in liquid N(2) after prefreezing to -50 C. The degradation of phosphatidylcholine during freezing appears to be intimately associated with freezing injury.
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