2023
DOI: 10.3389/fpls.2023.1188546
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Changes in Medicago truncatula seed proteome along the rehydration–dehydration cycle highlight new players in the genotoxic stress response

Andrea Pagano,
Laura Kunz,
Antje Dittmann
et al.

Abstract: IntroductionSeveral molecular aspects underlying the seed response to priming and the resulting vigor profile are still poorly understood. Mechanisms involved in genome maintenance deserve attention since the balance between stimulation of germination and DNA damage accumulation versus active repair is a key determinant for designing successful seed priming protocols.MethodsChanges in the Medicago truncatula seed proteome were investigated in this study, using discovery mass spectrometry and label-free quantif… Show more

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Cited by 5 publications
(1 citation statement)
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“…DNA synthesis, but not cell division, is detectable during priming of leek seeds ( Allium porrum ), and primed Brassica oleracea seeds germinate faster than unprimed controls, displaying very high rates of DNA synthesis associated with rapid cell division promoting early seedling growth [ 131 , 132 ]. Priming results in large scale changes in transcript and protein levels as pre-germinative metabolism progresses, including expression of DNA repair factors and increased activity of the protein repair enzyme L-ISOASPARTYL METHYLTRANSFERASE [ 133–137 ]. Chromosomal defects were reduced in primed seeds, coincident with increased ‘normal’ germination (lower incidence of seedlings with developmental abnormalities as defined by the International Seed Testing Organisation [ 30 ]) [ 138 ].…”
Section: Mitigating the Effects Of Desiccation And Quiescence On Seed...mentioning
confidence: 99%
“…DNA synthesis, but not cell division, is detectable during priming of leek seeds ( Allium porrum ), and primed Brassica oleracea seeds germinate faster than unprimed controls, displaying very high rates of DNA synthesis associated with rapid cell division promoting early seedling growth [ 131 , 132 ]. Priming results in large scale changes in transcript and protein levels as pre-germinative metabolism progresses, including expression of DNA repair factors and increased activity of the protein repair enzyme L-ISOASPARTYL METHYLTRANSFERASE [ 133–137 ]. Chromosomal defects were reduced in primed seeds, coincident with increased ‘normal’ germination (lower incidence of seedlings with developmental abnormalities as defined by the International Seed Testing Organisation [ 30 ]) [ 138 ].…”
Section: Mitigating the Effects Of Desiccation And Quiescence On Seed...mentioning
confidence: 99%