The importance of safeguarding genome integrity in germination and seed longevity

Journal of Experimental Botany
Wanda M WaterworthChristopher E West

Abstract

Seeds are important to agriculture and conservation of plant biodiversity. In agriculture, seed germination performance is an important determinant of crop yield, in particular under adverse climatic conditions. Deterioration in seed quality is associated with the accumulation of cellular damage to macromolecules including lipids, protein, and DNA. Mechanisms that mitigate the deleterious cellular damage incurred in the quiescent state and in cycles of desiccation-hydration are crucial for the maintenance of seed viability and germination vigour. In early-imbibing seeds, damage to the embryo genome must be repaired prior to initiation of cell division to minimize growth inhibition and mutation of genetic information. Here we review recent advances that have established molecular links between genome integrity and seed quality. These studies identified that maintenance of genome integrity is particularly important to the seed stage of the plant lifecycle, revealing new insight into the physiological roles of plant DNA repair and recombination mechanisms. The high conservation of DNA repair and recombination factors across plant species underlines their potential as promising targets for the improvement of crop performance and de...Continue Reading

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Citations

Feb 10, 2016·Frontiers in Plant Science·Behailu B Aklilu, Kevin M Culligan
Nov 21, 2015·Journal of Experimental Botany·W E Finch-Savage, G W Bassel
Dec 8, 2015·Plant & Cell Physiology·Naoto SanoMitsunori Seo
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Aug 13, 2015·Journal of Experimental Botany·Nigel G Halford, Christine H Foyer
Aug 10, 2016·Proceedings of the National Academy of Sciences of the United States of America·Wanda M WaterworthChristopher E West
Jun 14, 2018·Journal of Experimental Botany·Margaret B FlemingChristina Walters
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Dec 14, 2018·Proceedings of the National Academy of Sciences of the United States of America·Clara BourbousseJulie A Law
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Jun 20, 2019·Frontiers in Plant Science·Wanda M WaterworthChristopher E West
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May 1, 2021·International Journal of Molecular Sciences·Marta PuchtaMaja Boczkowska
Sep 17, 2021·Frontiers in Plant Science·Xiuling ChenGuangkun Yin

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