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Free Content Cryopreservation of Embryogenic Tissues of Pinus nigra Arn. by a Slow Freezing Method

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Six different embryogenic cell lines of Pinus nigra Arn. have been cryopreserved in liquid nitrogen using cryoprotection with sucrose (18%) and DMSO (7.5%). Post-thaw growth and tissue proliferation have been observed in five cell lines. The survival levels after storage in liquid nitrogen reached values between 62.5 and 100%. Growth of recovered embryogenic cells as well as somatic embryos is similar to the non-frozen tissues maintained in long-term culture. Somatic embryo maturation and plantlet regeneration occurred in all selected cell lines.

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Keywords: CRYOPRESERVATION; EMBRYOGENIC TISSUES; PINUS NIGRA; PLANTLET REGENERATION

Document Type: Research Article

Publication date: March 1, 2007

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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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