Understanding the cellular mechanism of recovery from freeze-thaw injury in spinach: possible role of aquaporins, heat shock proteins, dehydrin and antioxidant system

Recovery from reversible freeze–thaw injury in plants is a critical component of ultimate frost survival. However, little is known about this aspect at the cellular level. To explore possible cellular mechanism(s) for post‐thaw recovery (REC), we used Spinacia oleracea L. cv. Bloomsdale leaves to fi...

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Veröffentlicht in:	Physiologia plantarum 2014-03, Vol.150 (3), p.374-387
Hauptverfasser:	Chen, Keting, Arora, Rajeev
Format:	Artikel
Sprache:	eng
Schlagworte:	Antioxidants - metabolism Aquaporins - genetics Aquaporins - metabolism Ascorbate Peroxidases - metabolism Catalase - metabolism Freezing Gene Expression Regulation, Plant Heat-Shock Proteins - genetics Heat-Shock Proteins - metabolism Hydrogen Peroxide - metabolism Immunoblotting Plant Leaves - genetics Plant Leaves - metabolism Plant Proteins - genetics Plant Proteins - metabolism Reverse Transcriptase Polymerase Chain Reaction Spinacia oleracea - genetics Spinacia oleracea - metabolism Superoxide Dismutase - metabolism Superoxides - metabolism Time Factors
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Zusammenfassung:	Recovery from reversible freeze–thaw injury in plants is a critical component of ultimate frost survival. However, little is known about this aspect at the cellular level. To explore possible cellular mechanism(s) for post‐thaw recovery (REC), we used Spinacia oleracea L. cv. Bloomsdale leaves to first determine the reversible freeze–thaw injury point. Freeze (–4.5°C)–thaw‐injured tissues (32% injury vs
ISSN:	0031-9317 1399-3054
DOI:	10.1111/ppl.12090