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240803s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108970
|2 doi
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|a pubmed25n1251.xml
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|a (DE-627)NLM375819037
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|a (NLM)39094479
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|a (PII)S0981-9428(24)00638-7
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Lafuente, María T
|e verfasserin
|4 aut
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| 245 |
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|a Hormones metabolism as affected by LED blue light in citrus fruit
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|c 2024
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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 14.09.2024
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|a Date Revised 14.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 The Authors. Published by Elsevier Masson SAS.. All rights reserved.
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|a The LED Blue Light (LBL) (450 nm) effect on hormones levels and on jasmonates (JAs) metabolism in oranges was investigated. The quantum flux (2 days, 60 μmol m-2. s-1) was chosen for its efficacy in reducing postharvest rot caused by this crop's main postharvest phytopathogenic fungus (Penicillium digitatum). The analysis of abscisic (ABA), salicylic (SA) and indole-3-acetic (IAA) acids, and of JAs-related metabolites, revealed that LBL modifies all studied metabolites and had major effects on JAs levels, mainly on jasmonic acid (JA) and its precursor cis-(+)-12-oxo-phytodienoic acid (OPDA). This agrees with the up-regulation of the genes participating in their synthesis. Results highlight the relevance of CsLOX1 and CsLOX5, and the contribution of CsAOC3, in the LBL-induced OPDA biosynthesis, whereas CsOPR2, CsACX1 and CsACX3 would play a part in the synthesis of JA from OPDA. Data also suggest that the applied LBL quantum flux favors fruit JA perception by increasing the expression of the coronatine insensitive 1 (COI1) receptor; and signaling by down-regulating abundant CsJAZ negative regulators. Differences in OPDA and JA between the LBL-treated oranges and their control fruit left in the dark disappeared after shifting the LBL-treated oranges to darkness for 3 more days. However, the LBL and darkness combination slightly increased IAA and SA contents
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|a Journal Article
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|a Abscisic acid (ABA)
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|a COI1
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|a Indole-3-acetic acid (IAA)
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|a Infection
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|a Jasmonate metabolism
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|a Salicylic acid (SA)
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|a Oxylipins
|2 NLM
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|a jasmonic acid
|2 NLM
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|a 6RI5N05OWW
|2 NLM
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| 650 |
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|a Cyclopentanes
|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 Abscisic Acid
|2 NLM
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| 650 |
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|a 72S9A8J5GW
|2 NLM
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| 650 |
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|a indoleacetic acid
|2 NLM
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| 650 |
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|a 6U1S09C61L
|2 NLM
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| 650 |
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|a Indoleacetic Acids
|2 NLM
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|a Salicylic Acid
|2 NLM
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|a O414PZ4LPZ
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Fatty Acids, Unsaturated
|2 NLM
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|a 12-oxophytodienoic acid
|2 NLM
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| 650 |
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|a 67204-66-4
|2 NLM
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| 700 |
1 |
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|a Sampedro, Raúl
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Romero, Paco
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 215(2024) vom: 07. Okt., Seite 108970
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnas
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| 773 |
1 |
8 |
|g volume:215
|g year:2024
|g day:07
|g month:10
|g pages:108970
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108970
|3 Volltext
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|d 215
|j 2024
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|h 108970
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