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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2022.08.013
|2 doi
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|a pubmed25n1152.xml
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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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| 100 |
1 |
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|a Zhang, Zhengda
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Exogenous 5-aminolevulinic acid alleviates low-temperature damage by modulating the xanthophyll cycle and nutrient uptake in tomato seedlings
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|c 2022
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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 19.09.2022
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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 © 2022 Elsevier Masson SAS. All rights reserved.
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|a 5-Aminolevulinic acid (ALA), an antioxidant existing in plants, has been widely reported to participate in the process of coping with cold stress of plants. In this study, exogenous ALA promoted the growth of tomato plants and alleviated the appearance of purple tomato leaves under low-temperature stress. At the same time, exogenous ALA improved antioxidant enzyme activities, SlSOD gene expression, Fv/Fm, and proline contents and reduced H2O2 contents, SlRBOH gene expression, relative electrical conductivity, and malondialdehyde contents to alleviate the damage caused by low temperature to tomato seedlings. Compared with low-temperature stress, spraying exogenous ALA before low-temperature stress could restore the indicators of photochemical quenching, actual photochemical efficiency, electron transport rate, and nonphotochemical quenching to normal. Exogenous ALA could increase the total contents of the xanthophyll cycle pool, the positive de-epoxidation rate of the xanthophyll cycle and improved the expression levels of key genes in the xanthophyll cycle under low-temperature stress. In addition, we found that exogenous ALA significantly enhanced the absorption of mineral nutrients, promoted the transfer and distribution of mineral nutrients to the leaves, and improved the expression levels of mineral nutrient absorption-related genes, which were all conducive to the improved adaptation of tomato seedlings under low-temperature stress. In summary, the application of exogenous ALA can increase tomato seedlings' tolerance to low-temperature stress by improving the xanthophyll cycle and the ability of the absorption of mineral nutrients in tomato seedlings
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|a Journal Article
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|a 5-Aminolevulinic acid
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|a Low temperature
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|a Mineral nutrition absorption
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|a Tomato
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|a Xanthophyll cycle
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|a Antioxidants
|2 NLM
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|a Xanthophylls
|2 NLM
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|a Malondialdehyde
|2 NLM
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|a 4Y8F71G49Q
|2 NLM
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| 650 |
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|a Aminolevulinic Acid
|2 NLM
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| 650 |
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|a 88755TAZ87
|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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|a Hydrogen Peroxide
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|a BBX060AN9V
|2 NLM
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| 700 |
1 |
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|a Yuan, Luqiao
|e verfasserin
|4 aut
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| 700 |
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|a Ma, Yongbo
|e verfasserin
|4 aut
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| 700 |
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|a Kang, Zhen
|e verfasserin
|4 aut
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| 700 |
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|a Zhou, Fan
|e verfasserin
|4 aut
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|a Gao, Yi
|e verfasserin
|4 aut
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|a Yang, Shichun
|e verfasserin
|4 aut
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|a Li, Tianlai
|e verfasserin
|4 aut
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| 700 |
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|a Hu, Xiaohui
|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 189(2022) vom: 15. Okt., Seite 83-93
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnas
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| 773 |
1 |
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|g volume:189
|g year:2022
|g day:15
|g month:10
|g pages:83-93
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|u http://dx.doi.org/10.1016/j.plaphy.2022.08.013
|3 Volltext
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