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240522s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108728
|2 doi
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|a pubmed24n1442.xml
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|a (DE-627)NLM372605125
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|a (NLM)38772165
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|a (PII)S0981-9428(24)00396-6
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Colman, Silvana Lorena
|e verfasserin
|4 aut
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|a Chitosan microparticles mitigate nitrogen deficiency in tomato plants
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 15.06.2024
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|a Date Revised 15.06.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Masson SAS. All rights reserved.
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|a Nitrogen (N) deficiency is one of the most prevalent nutrient deficiencies in plants, and has a significant impact on crop yields. In this work we aimed to develop and evaluate innovative strategies to mitigate N deficiency. We studied the effect of supplementing tomato plants grown under suboptimal N nutrition with chitosan microparticles (CS-MPs) during short- and long-term periods. We observed that the supplementation with CS-MPs prevented the reduction of aerial biomass and the elongation of lateral roots (LR) triggered by N deficiency in tomato plantlets. In addition, levels of nitrates, amino acids and chlorophyll, which decreased drastically upon N deficiency, were either partial or totally restored upon CS-MPs addition to N deficient media. Finally, we showed that CS-MPs treatments increased nitric oxide (NO) levels in root tips and caused the up-regulation of genes involved in N metabolism. Altogether, we suggest that CS-MPs enhance the growth and development of tomato plants under N deficiency through the induction of biochemical and transcriptional responses that lead to increased N metabolism. We propose treatments with CS-MPs as an efficient practice focused to mitigate the nutritional deficiencies in N impoverished soils
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|a Journal Article
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|a Nitrogen metabolism
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|a Nutritional stress
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|a Solanum lycopersicum
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|a Chitosan
|2 NLM
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|a 9012-76-4
|2 NLM
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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|a Chlorophyll
|2 NLM
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|a 1406-65-1
|2 NLM
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|a Nitric Oxide
|2 NLM
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| 650 |
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|a 31C4KY9ESH
|2 NLM
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| 650 |
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|a Amino Acids
|2 NLM
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| 700 |
1 |
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|a Salcedo, María Florencia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Iglesias, María José
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Alvarez, Vera Alejandra
|e verfasserin
|4 aut
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| 700 |
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|a Fiol, Diego Fernando
|e verfasserin
|4 aut
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|a Casalongué, Claudia Anahí
|e verfasserin
|4 aut
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|a Foresi, Noelia Pamela
|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 212(2024) vom: 21. Juni, Seite 108728
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
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|g volume:212
|g year:2024
|g day:21
|g month:06
|g pages:108728
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108728
|3 Volltext
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