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20231225144131.0 |
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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/nph.16805
|2 doi
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|a pubmed24n1040.xml
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|a (DE-627)NLM312308485
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|a (NLM)32654143
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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 |
1 |
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|a Ji, Yongran
|e verfasserin
|4 aut
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| 245 |
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|a Far-red radiation stimulates dry mass partitioning to fruits by increasing fruit sink strength in tomato
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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 14.05.2021
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 The Authors New Phytologist © 2020 New Phytologist Trust.
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|a Far-red (FR) light promotes fruit growth by increasing dry mass partitioning to fruits, but the mechanism behind this is unknown. We hypothesise that it is due to an increased fruit sink strength as FR radiation enhances sugar transportation and metabolism. Tomato plants were grown with or without 50-80 μmol m-2 s-1 of FR radiation added to a common background 150-170 μmol m-2 s-1 red + blue light-emitting diode lighting. Potential fruit growth, achieved by pruning each truss to one remaining fruit, was measured to quantify fruit sink strength. Model simulation was conducted to test whether the measured fruit sink strength quantitatively explained the FR effect on dry mass partitioning. Starch, sucrose, fructose and glucose content were measured. Expression levels of key genes involved in sugar transportation and metabolism were determined. FR radiation increased fruit sink strength by 38%, which, in model simulation, led to an increased dry mass partitioned to fruits that quantitatively agreed very well with measured partitioning. FR radiation increased fruit sugar concentration and upregulated the expression of genes associated with both sugar transportation and metabolism. This is the first study to demonstrate that FR radiation stimulates dry mass partitioning to fruits mainly by increasing fruit sink strength via simultaneous upregulation of sugar transportation and metabolism
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a LED lighting
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|a Solanum lycopersicum (tomato)
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|a dry mass partitioning
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|a far red
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|a sink strength
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|a sugar metabolism
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|a sugar transportation
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|a Fructose
|2 NLM
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| 650 |
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|a 30237-26-4
|2 NLM
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|a Sucrose
|2 NLM
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| 650 |
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|a 57-50-1
|2 NLM
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| 650 |
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|a Glucose
|2 NLM
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| 650 |
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|a IY9XDZ35W2
|2 NLM
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| 700 |
1 |
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|a Nuñez Ocaña, Diego
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Choe, Daegeun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Larsen, Dorthe H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Marcelis, Leo F M
|e verfasserin
|4 aut
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| 700 |
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|a Heuvelink, Ep
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 228(2020), 6 vom: 18. Dez., Seite 1914-1925
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:228
|g year:2020
|g number:6
|g day:18
|g month:12
|g pages:1914-1925
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|u http://dx.doi.org/10.1111/nph.16805
|3 Volltext
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|d 228
|j 2020
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