BACKGROUND: The use of the model plant Arabidopsis could be a valuable tool to elucidate the basic mechanisms involved in plant cryopreservation. OBJECTIVE: A simple and powerful protocol, independent of Arabidopsis genotypes, was established using a PVS2
protocol. MATERIALS AND METHODS: Two PVS2 (a and b), one PVS3 droplet-vitrification and one DMSO droplet-freezing protocol were tested with alternating temperatures during the growing phase of donor plants. RESULTS: PVS2 protocols, including cold acclimation of donor plants,
resulted in highest recovery. The PVS2a protocol was successfully applied to a collection of different Arabidopsis genotypes with an average recovery of 94%. In addition, Differential Scanning Calorimetry confirmed the occurrence of glass transitions in the PVS3 and PVS2 protocols.
CONCLUSION: The PVS2a protocol is suitable to screen the large collection of Arabidopsis mutants and transgenic lines with the aim to identify cellular functions associated with cryopreservation tolerance.
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Document Type: Research Article
September 1, 2017
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CryoLetters is a bimonthly international journal for low temperature sciences, including cryobiology, cryopreservation or vitrification of cells and tissues, chemical and physical aspects of freezing and drying, and studies involving ecology of cold environments, and cold adaptation
The journal publishes original research reports, authoritative reviews, technical developments and commissioned book reviews of studies of the effects produced by low temperatures on a wide variety of scientific and technical processes, or those involving low temperature techniques in the investigation of physical, chemical, biological and ecological problems.