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20240616232111.0 |
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240609s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108787
|2 doi
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|a pubmed24n1442.xml
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|a (DE-627)NLM373388934
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|a (NLM)38850731
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|a (PII)S0981-9428(24)00455-8
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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 Zhang, Lizhen
|e verfasserin
|4 aut
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|a Root suberization in the response mechanism of melon to autotoxicity
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|c 2024
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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 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 Continuous cropping obstacles poses significant challenges for melon cultivation, with autotoxicity being a primary inducer. Suberization of cells or tissues is a vital mechanism for plant stress response. Our study aimed to elucidate the potential mechanism of root suberization in melon's response to autotoxicity. Cinnamic acid was used to simulate autotoxicity. Results showed that autotoxicity worsened the root morphology and activity of seedlings. Significant reductions were observed in root length, diameter, surface area, volume and fork number compared to the control in the later stage of treatment, with a decrease ranging from 20% to 50%. The decrease in root activity ranged from 16.74% to 29.31%. Root suberization intensified, and peripheral suberin deposition became more prominent. Autotoxicity inhibited phenylalanineammonia-lyase activity, the decrease was 50% at 16 h. The effect of autotoxicity on cinnamylalcohol dehydrogenase and cinnamate 4-hydroxylase activity showed an initial increase followed by inhibition, resulting in reductions of 34.23% and 44.84% at 24 h, respectively. The peroxidase activity only significantly increased at 24 h, with an increase of 372%. Sixty-three differentially expressed genes (DEGs) associated with root suberization were identified, with KCS, HCT, and CYP family showing the highest gene abundance. GO annotated DEGs into nine categories, mainly related to binding and catalytic activity. DEGs were enriched in 27 KEGG pathways, particularly those involved in keratin, corkene, and wax biosynthesis. Seven proteins, including C4H, were centrally positioned within the protein interaction network. These findings provide insights for improving stress resistance in melons and breeding stress-tolerant varieties
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|a Journal Article
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|a Autotoxicity
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|a Differentially expressed genes
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|a Melon
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|a Root morphology
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|a Suberization
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|a Plant Proteins
|2 NLM
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|a Phenylalanine Ammonia-Lyase
|2 NLM
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|a EC 4.3.1.24
|2 NLM
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| 650 |
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|a Cinnamates
|2 NLM
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|a cinnamic acid
|2 NLM
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| 650 |
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|a 140-10-3
|2 NLM
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| 650 |
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|a Trans-Cinnamate 4-Monooxygenase
|2 NLM
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| 650 |
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|a EC 1.14.14.91
|2 NLM
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| 650 |
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|a cinnamyl alcohol dehydrogenase
|2 NLM
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| 650 |
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|a EC 1.1.1.195
|2 NLM
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| 650 |
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|a Alcohol Oxidoreductases
|2 NLM
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| 650 |
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|a EC 1.1.-
|2 NLM
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| 700 |
1 |
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|a Yang, Hao
|e verfasserin
|4 aut
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| 700 |
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|a Feng, Taojie
|e verfasserin
|4 aut
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| 700 |
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|a Xu, Yuxuan
|e verfasserin
|4 aut
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| 700 |
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|a Tang, Xianhuan
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Xinyue
|e verfasserin
|4 aut
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| 700 |
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|a Wang-Pruski, Gefu
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Zhizhong
|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: 15. Juni, Seite 108787
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:212
|g year:2024
|g day:15
|g month:06
|g pages:108787
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108787
|3 Volltext
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