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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/nph.17569
|2 doi
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|a pubmed25n1089.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Busoms, Silvia
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Adaptation to coastal soils through pleiotropic boosting of ion and stress hormone concentrations in wild Arabidopsis thaliana
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| 264 |
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 09.09.2021
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|a Date Revised 03.10.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 The Authors. New Phytologist © 2021 New Phytologist Foundation.
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|a Local adaptation in coastal areas is driven chiefly by tolerance to salinity stress. To survive high salinity, plants have evolved mechanisms to specifically tolerate sodium. However, the pathways that mediate adaptive changes in these conditions reach well beyond Na+ . Here we perform a high-resolution genetic, ionomic, and functional study of the natural variation in Molybdenum transporter 1 (MOT1) associated with coastal Arabidopsis thaliana accessions. We quantify the fitness benefits of a specific deletion-harbouring allele (MOT1DEL ) present in coastal habitats that is associated with lower transcript expression and molybdenum accumulation. Analysis of the leaf ionome revealed that MOT1DEL plants accumulate more copper (Cu) and less sodium (Na+ ) than plants with the noncoastal MOT1 allele, revealing a complex interdependence in homeostasis of these three elements. Our results indicate that under salinity stress, reduced MOT1 function limits leaf Na+ accumulation through abscisic acid (ABA) signalling. Enhanced ABA biosynthesis requires Cu. This demand is met in Cu deficient coastal soils through MOT1DEL increasing the expression of SPL7 and the copper transport protein COPT6. MOT1DEL is able to deliver a pleiotropic suite of phenotypes that enhance salinity tolerance in coastal soils deficient in Cu. This is achieved by inducing ABA biosynthesis and promoting reduced uptake or better compartmentalization of Na+ , leading to coastal adaptation
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|a Journal Article
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|a Research Support, N.I.H., Extramural
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|a Research Support, Non-U.S. Gov't
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| 650 |
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|a adaptation
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| 650 |
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|a ionome
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| 650 |
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|a salinity
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| 650 |
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|a stress signalling
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| 650 |
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|a structural variation
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|a Arabidopsis Proteins
|2 NLM
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| 650 |
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|a DNA-Binding Proteins
|2 NLM
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| 650 |
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|a Hormones
|2 NLM
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| 650 |
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|a SPL7 protein, Arabidopsis
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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|a Transcription Factors
|2 NLM
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| 700 |
1 |
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|a Terés, Joana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yant, Levi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Poschenrieder, Charlotte
|e verfasserin
|4 aut
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| 700 |
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|a Salt, David E
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1984
|g 232(2021), 1 vom: 15. Okt., Seite 208-220
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnas
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| 773 |
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|g volume:232
|g year:2021
|g number:1
|g day:15
|g month:10
|g pages:208-220
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|u http://dx.doi.org/10.1111/nph.17569
|3 Volltext
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