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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2023.154119
|2 doi
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|a pubmed24n1212.xml
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|a (DE-627)NLM363714332
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|a (NLM)37879220
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|a (PII)S0176-1617(23)00213-4
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Kućko, Agata
|e verfasserin
|4 aut
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|a Abscisic acid- and ethylene-induced abscission of yellow lupine flowers is mediated by jasmonates
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|c 2023
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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
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|2 rdacarrier
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|a Date Completed 06.11.2023
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|a Date Revised 06.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier GmbH. All rights reserved.
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|a The appropriate timing of organ abscission determines plant growth, development, reproductive success, and yield in relation to crop species. Among these, yellow lupine is an example of a crop species that loses many fully developed flowers, which limits the formation of pods with high-protein seeds and affects its economic value. Lupine flower abscission, similarly to the separation of other organs, depends on a complex regulatory network functioning in the cells of the abscission zone (AZ). In the present study, genetic, biochemical, and cellular methods were used to highlight the complexity of the interactions among strong hormonal stimulators of abscission, including abscisic acid (ABA), ethylene, and jasmonates (JAs) precisely in the AZ cells, with all results supporting that the JA-related pathway has an important role in the phytohormonal cross-talk leading to flower abscission in yellow lupine. Based on obtained results, we conclude that ABA and ET have positive influence on JAs biosynthesis and signaling pathway in time-dependent manner. Both phytohormones changes lipoxygenase (LOX) gene expression, affects LOX protein abundance, and JA accumulation in AZ cells. We have also shown that the signaling pathway of JA is highly sensitive to ABA and ET, given the accumulation of COI1 receptor and MYC2 transcription factor in response to these phytohormones. The results presented provide novel information about the JAs-dependent separation of organs and provide insight and details about the phytohormone-related mechanisms of lupine flower abscission
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|a Journal Article
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|a Abscisic acid
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|a Abscission zone
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|a CORONATINE-INSENSITIVE 1
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|a Ethylene
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|a Jasmonates
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|a MYC2
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|a Abscisic Acid
|2 NLM
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|a 72S9A8J5GW
|2 NLM
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| 650 |
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|a Plant Growth Regulators
|2 NLM
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| 650 |
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|a jasmonic acid
|2 NLM
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| 650 |
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|a 6RI5N05OWW
|2 NLM
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| 650 |
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|a ethylene
|2 NLM
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| 650 |
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|a 91GW059KN7
|2 NLM
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| 650 |
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|a Ethylenes
|2 NLM
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| 700 |
1 |
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|a de Dios Alché, Juan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tranbarger, Timothy John
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wilmowicz, Emilia
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 290(2023) vom: 20. Nov., Seite 154119
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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| 773 |
1 |
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|g volume:290
|g year:2023
|g day:20
|g month:11
|g pages:154119
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| 856 |
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|u http://dx.doi.org/10.1016/j.jplph.2023.154119
|3 Volltext
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