Abstract
Cryopreservation is a technique that allows the conservation of many species for long periods. Among the protocols used for cryopreservation, droplet vitrification has shown efficient results in preserving shoot tips of various wild and cultivated pineapple genotypes. The method consists of extraction of shoot tips from plants grown in vitro, dehydration for a period of 48 h in a preculture medium supplemented with a high concentration of sucrose, treatment in a plant vitrification solution (PVS2), and immersion in liquid nitrogen. The method described in this chapter has produced survival and regeneration indices of around 70%, depending on the genotype and physiological conditions of the initial explants. The objective of this chapter is to describe in detail a droplet vitrification protocol for shoot tips that is easy to perform for cryopreservation of pineapple germplasm.
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Acknowledgments
The authors acknowledge Fundação de Amparo à Pesquisa do Estado da Bahia (FAPESB), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)/EMBRAPA program, and Embrapa Mandioca e Fruticultura for financial support and Helder Lima Carvalho, technician of the Laboratório de Cultura de Tecido de Plantas, for his valuable collaboration in preparing this chapter.
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Souza, F.V.D., de Souza, E.H., Kaya, E., de Jesus Vieira, L., da Silva, R.L. (2018). Cryopreservation of Pineapple Shoot Tips by the Droplet Vitrification Technique. In: Loyola-Vargas, V., Ochoa-Alejo, N. (eds) Plant Cell Culture Protocols. Methods in Molecular Biology, vol 1815. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-8594-4_18
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DOI: https://doi.org/10.1007/978-1-4939-8594-4_18
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