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Free Content Cryopreservation of Sugarcane Somatic Embryos

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In this paper, we compared three vitrification-based cryopreservation techniques, viz. vitrification, encapsulation-vitrification and droplet-vitrification for cryopreserving sugarcane somatic embryos. Viability of somatic embryos was evaluated by measuring electrolyte leakage and by regrowth on recovery medium. Droplet-vitrification was the most efficient technique. Optimal conditions included loading with a solution containing 1.5 M glycerol and 0.3 M sucrose for 30 min at 25°C, treatment with the PVS2 solution for 20-40 min at 0°C followed by rapid immersion in liquid nitrogen of clumps of somatic embryos placed in microdroplets of cryoprotectant solution. Under such conditions, viability of cryopreserved somatic embryos reached 55 %.

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Keywords: DROPLET-VITRIFICATION; ENCAPSULATION-VITRIFICATION; SOMATIC EMBRYOS; SUGARCANE; VITRIFICATION

Document Type: Regular Paper

Publication date: 01 May 2008

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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.

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