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Salt Tolerance of Solanum tuberosum L. Overexpressing an Heterologous Osmotin-like Protein

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Biologia Plantarum

Abstract

Potato (Solanum tuberosum L. cv. Bintje) was transformed with a cDNA clone encoding an osmotin-like protein. Transgenic and non-transgenic in vitro plants were subjected to NaCl for 3 weeks. The shoot and root development was slightly affected by salinity indicating that the salt condition used was a mild stress. The endogenous proline content of the osmotin-like transformed clone only raised slightly as compared to the non-transformed genotype, where a marked increase in proline content could be observed as a result to salt stress. These data provide evidence for the involvement of osmotin-like proteins in the mechanisms of salt tolerance in potato plants.

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Evers, D., Overney, S., Simon, P. et al. Salt Tolerance of Solanum tuberosum L. Overexpressing an Heterologous Osmotin-like Protein. Biologia Plantarum 42, 105–112 (1999). https://doi.org/10.1023/A:1002131812340

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