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231227s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.108280
|2 doi
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|a pubmed24n1293.xml
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|a (DE-627)NLM365940356
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|a (NLM)38103337
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|a (PII)S0981-9428(23)00791-X
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a He, Zhaoquan
|e verfasserin
|4 aut
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|a Ca and Mg stimulate protein synthesis in maize kernel through the action of endogenous hormones and defense enzymes
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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 14.02.2024
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|a Date Revised 14.02.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2023 Elsevier Masson SAS. All rights reserved.
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|a Soil calcium (Ca) and magnesium (Mg) mineral states in rain-fed arid regions of Northwest China are inefficient, and their levels of substitution and water-soluble states are far below the lowest threshold required for maize growth, resulting in frequent physiological diseases, restricting synthesis of kernel protein (CRP). Our study set up different levels of foliar spraying of Ca and Mg fertilizers before maize pollination to examine the response characteristics of physiological and biochemical indicators in kernel, and the driving process of CRP synthesis. The main findings were: (1) Ca and Mg significantly increased the levels of CRP and endogenous hormones, and the activities of defense enzymes and CRP synthesis enzymes, which decreased significantly and stabilized at the maturity stage of maize. (2) The synthesis and accumulation of CRP were synergistically regulated by endogenous hormones, defense enzymes, and CRP synthase enzymes, with the degree of regulation varying with the level of Ca and Mg supplementation. Indole-3-acetic acid (IAA), gibberellin (GA), zeatin riboside (ZR), catalase (CAT), malondialdehyde (MDA), and glutamate dehydrogenase (GDH) were the primary physiological driving indicators of CRP synthesis, with CRP having a significant synergistic relationship with CAT and a remarkable trade-off with other driving indicators. (3) The dominant driving pathway of CRP synthesis was "Ca, Mg-IAA or GA or ZR-CAT-GDH-CRP". Ca and Mg positively affected IAA and GA levels, and IAA and GA positively regulated CAT activity. However, CAT negatively regulated GDH levels, causing GDH to negatively influence the synthesis and accumulation of CRP and its components. The findings provide theoretical support for further study of inter-root endogenous hormones and soil microbe-driven processes in the regulation of maize quality by Ca and Mg
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|a Journal Article
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|a Calcium and magnesium
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|a Maize
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|a Physiological mechanisms
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|a Protein synthesis
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|a Rain-fed arid regions
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|a Plant Growth Regulators
|2 NLM
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|a Magnesium
|2 NLM
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| 650 |
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|a I38ZP9992A
|2 NLM
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| 650 |
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|a Hormones
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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| 700 |
1 |
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|a Shang, Xue
|e verfasserin
|4 aut
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|a Zhang, Tonghui
|e verfasserin
|4 aut
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| 700 |
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|a Yun, Jianying
|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 206(2024) vom: 12. Jan., Seite 108280
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:206
|g year:2024
|g day:12
|g month:01
|g pages:108280
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|u http://dx.doi.org/10.1016/j.plaphy.2023.108280
|3 Volltext
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