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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2019.02.013
|2 doi
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|a pubmed24n0980.xml
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|a (DE-627)NLM294230750
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|a (NLM)30798173
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|a (PII)S0981-9428(19)30062-2
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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 Pál, Magda
|e verfasserin
|4 aut
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|a Role of polyamines in plant growth regulation of Rht wheat mutants
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|c 2019
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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 08.03.2019
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2019 Elsevier Masson SAS. All rights reserved.
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|a Besides their protective role, polyamines also serve as signalling molecules. However, further studies are needed to elucidate the polyamine signalling pathways, especially to identify polyamine-regulated mechanisms and their connections with other regulatory molecules. Reduced height (Rht) genes in wheat are often used in breeding programs to increase harvest index. Some of these genes are encoding DELLA proteins playing role in gibberellic acid signalling. The aim of the present paper was to reveal how the mutations in Rht gene modify the polyamine-regulated processes in wheat. Wild type and two Rht mutant genotypes (Rht 1: semi-dwarf; Rht 3: dwarf mutants) were treated with polyamines. Polyamine treatments differently influenced the polyamine metabolism, the plant growth parameters and certain hormone levels (salicylic acid and abscisic acid) in these genotypes. The observed distinct metabolism of Rht 3 may more likely reflect more intensive polyamine exodus from putrescine to spermidine and spermine, and the catabolism of the higher polyamines. The lower root to shoot translocation of putrescine can contribute to the regulation of polyamine pool, which in turn may be responsible for the observed lack of growth inhibition in Rht 3 after spermidine and spermine treatments. Lower accumulation of salicylic acid and abscisic acid, plant hormones usually linked with growth inhibition, in leaves may also be responsible for the diminished negative effect of higher polyamines on the shoot growth parameters observed in Rht 3. These results provide an insight into the role of polyamines in plant growth regulation based on the investigation of gibberellin-insensitive Rht mutants
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|a Journal Article
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|a Abscisic acid
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|a Dwarf
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|a Polyamines
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|a Rht lines
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|a Salicylic acid
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|a Wheat
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|a Antioxidants
|2 NLM
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|a Enzymes
|2 NLM
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|a Indoleacetic Acids
|2 NLM
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|a Plant Growth Regulators
|2 NLM
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|a Polyamines
|2 NLM
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|a Spermine
|2 NLM
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|a 2FZ7Y3VOQX
|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 Proline
|2 NLM
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|a 9DLQ4CIU6V
|2 NLM
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| 650 |
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|a Salicylic Acid
|2 NLM
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| 650 |
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|a O414PZ4LPZ
|2 NLM
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| 650 |
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|a Spermidine
|2 NLM
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| 650 |
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|a U87FK77H25
|2 NLM
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| 650 |
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|a Putrescine
|2 NLM
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| 650 |
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|a V10TVZ52E4
|2 NLM
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| 700 |
1 |
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|a Ivanovska, Beti
|e verfasserin
|4 aut
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1 |
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|a Oláh, Tímea
|e verfasserin
|4 aut
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| 700 |
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|a Tajti, Judit
|e verfasserin
|4 aut
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|a Hamow, Kamirán Áron
|e verfasserin
|4 aut
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|a Szalai, Gabriella
|e verfasserin
|4 aut
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|a Khalil, Radwan
|e verfasserin
|4 aut
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|a Vanková, Radomira
|e verfasserin
|4 aut
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|a Dobrev, Petr
|e verfasserin
|4 aut
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1 |
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|a Misheva, Svetlana P
|e verfasserin
|4 aut
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| 700 |
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|a Janda, Tibor
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 137(2019) vom: 05. Apr., Seite 189-202
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:137
|g year:2019
|g day:05
|g month:04
|g pages:189-202
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|u http://dx.doi.org/10.1016/j.plaphy.2019.02.013
|3 Volltext
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|d 137
|j 2019
|b 05
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|h 189-202
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