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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/nph.16150
|2 doi
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|a pubmed25n1002.xml
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|a (DE-627)NLM300710100
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|a (NLM)31461534
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Pellizzaro, Anthoni
|e verfasserin
|4 aut
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|a A role for auxin signaling in the acquisition of longevity during seed maturation
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 11.11.2020
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|a Date Revised 11.11.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 INRA New Phytologist © 2019 New Phytologist Trust.
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|a Seed longevity, the maintenance of viability during dry storage, is a crucial factor to preserve plant genetic resources and seed vigor. Inference of a temporal gene-regulatory network of seed maturation identified auxin signaling as a putative mechanism to induce longevity-related genes. Using auxin-response sensors and tryptophan-dependent auxin biosynthesis mutants of Arabidopsis thaliana L., the role of auxin signaling in longevity was studied during seed maturation. DII and DR5 sensors demonstrated that, concomitant with the acquisition of longevity, auxin signaling input and output increased and underwent a spatiotemporal redistribution, spreading throughout the embryo. Longevity of seeds of single auxin biosynthesis mutants with altered auxin signaling activity was affected in a dose-response manner depending on the level of auxin activity. Longevity-associated genes with promoters enriched in auxin response elements and the master regulator ABSCISIC ACID INSENSITIVE3 were induced by auxin in developing embryos and deregulated in auxin biosynthesis mutants. The beneficial effect of exogenous auxin during seed maturation on seed longevity was abolished in abi3-1 mutants. These data suggest a role for auxin signaling activity in the acquisition of longevity during seed maturation
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|a Journal Article
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|a ABSCISIC ACID INSENSITIVE3
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|a Arabidopsis thaliana
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|a auxin distribution
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|a auxin signaling
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|a longevity
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|a maturation
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|a seed
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|a storage
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|a ABI3 protein, Arabidopsis
|2 NLM
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a Indoleacetic Acids
|2 NLM
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|a Transcription Factors
|2 NLM
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| 650 |
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|a Abscisic Acid
|2 NLM
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| 650 |
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|a 72S9A8J5GW
|2 NLM
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| 700 |
1 |
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|a Neveu, Martine
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lalanne, David
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ly Vu, Benoit
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kanno, Yuri
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Seo, Mitsunori
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Leprince, Olivier
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Buitink, Julia
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1984
|g 225(2020), 1 vom: 01. Jan., Seite 284-296
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:225
|g year:2020
|g number:1
|g day:01
|g month:01
|g pages:284-296
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|u http://dx.doi.org/10.1111/nph.16150
|3 Volltext
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