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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.jplph.2018.10.013
|2 doi
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|a pubmed24n0967.xml
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|a (DE-627)NLM290220335
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|a (NLM)30388672
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|a (PII)S0176-1617(18)30374-2
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a De la Torre-González, A
|e verfasserin
|4 aut
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|a Influence of the proline metabolism and glycine betaine on tolerance to salt stress in tomato (Solanum lycopersicum L.) commercial genotypes
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|c 2018
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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 17.01.2019
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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 Copyright © 2018 Elsevier GmbH. All rights reserved.
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|a Tomato is the crop with the greatest economic importance in the world and salinity stress causes a reduction in the quantity and quality of crop production. The objective of this work is to verify if the accumulation of proline and glycine betaine (GB) and their metabolisms improve tolerance to salt stress. Two commercial genotypes of Solanum Lycopersicum L., Grand Brix and Marmande RAF were used for this work. The analyzed parameters were growth parameters, proline concentration and its metabolism, GB and its above betaine aldehyde dehydrogenase (BADH) synthesis and some related amino acids. Saline stress reduced biomass and relative growth rate (RGR) in both genotypes, this effect being greater in Marmande RAF. These results, together with the proline accumulation indicate that Grand Brix is more tolerant to saline stress. The proline increase in Grand Brix came by the ornithine pathway, leaving the glutamate pathway repressed. On the other hand, it was found in both genotypes a BADH and GB decreases as a salinity tolerance mechanism. We propose that, unlike proline, GB synthesis can produce H2O2 thereby, GB not act as compatible solute and salt tolerance does not improve
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|a Journal Article
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|a BADH
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|a Glycine betaine
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|a Proline
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|a Proline metabolism
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|a Salt stress
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|a Solanum lycopersicum L.
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|a Amino Acids
|2 NLM
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|a Betaine
|2 NLM
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|a 3SCV180C9W
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|a Proline
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|a 9DLQ4CIU6V
|2 NLM
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|a Betaine-Aldehyde Dehydrogenase
|2 NLM
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|a EC 1.2.1.8
|2 NLM
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|a Montesinos-Pereira, D
|e verfasserin
|4 aut
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|a Blasco, B
|e verfasserin
|4 aut
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|a Ruiz, J M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of plant physiology
|d 1979
|g 231(2018) vom: 01. Dez., Seite 329-336
|w (DE-627)NLM098174622
|x 1618-1328
|7 nnns
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|g volume:231
|g year:2018
|g day:01
|g month:12
|g pages:329-336
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|u http://dx.doi.org/10.1016/j.jplph.2018.10.013
|3 Volltext
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