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What Do We Know About the Genetic Basis of Seed Desiccation Tolerance and Longevity?

Institute of Dendrology, Polish Academy of Sciences, 62-035 Kórnik, Poland
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Int. J. Mol. Sci. 2020, 21(10), 3612; https://doi.org/10.3390/ijms21103612
Received: 28 April 2020 / Revised: 15 May 2020 / Accepted: 18 May 2020 / Published: 20 May 2020
(This article belongs to the Collection Feature Papers in Molecular Genetics and Genomics)
Long-term seed storage is important for protecting both economic interests and biodiversity. The extraordinary properties of seeds allow us to store them in the right conditions for years. However, not all types of seeds are resilient, and some do not tolerate extreme desiccation or low temperature. Seeds can be divided into three categories: (1) orthodox seeds, which tolerate water losses of up to 7% of their water content and can be stored at low temperature; (2) recalcitrant seeds, which require a humidity of 27%; and (3) intermediate seeds, which lose their viability relatively quickly compared to orthodox seeds. In this article, we discuss the genetic bases for desiccation tolerance and longevity in seeds and the differences in gene expression profiles between the mentioned types of seeds. View Full-Text
Keywords: seed desiccation tolerance; seed longevity; gene expression; redox genes seed desiccation tolerance; seed longevity; gene expression; redox genes
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Kijak, H.; Ratajczak, E. What Do We Know About the Genetic Basis of Seed Desiccation Tolerance and Longevity? Int. J. Mol. Sci. 2020, 21, 3612.

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