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20231226092834.0 |
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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.108063
|2 doi
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|a pubmed24n1210.xml
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|a (DE-627)NLM36320055X
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|a (NLM)37827044
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|a (PII)S0981-9428(23)00574-0
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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 Guo, Lifeng
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Enhancement of sulfur metabolism and antioxidant machinery confers Bacillus sp. Jrh14-10-induced alkaline stress tolerance in plant
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|c 2023
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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 01.11.2023
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|a Date Revised 01.11.2023
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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 Alkaline stress is a major environmental challenge that restricts plant growth and agricultural productivity worldwide. Plant growth-promoting rhizobacteria (PGPR) can be used to effectively enhance plant abiotic stress in an environment-friendly manner. However, PGPR that can enhance alkalinity tolerance are not well-studied and the mechanisms by which they exert beneficial effects remain elusive. In this study, we isolated Jrh14-10 from the rhizosphere soil of halophyte Halerpestes cymbalaria (Pursh) Green and found that it can produce indole-3-acetic acid (IAA) and siderophore. By 16S rRNA gene sequencing, it was classified as Bacillus licheniformis. Inoculation Arabidopsis seedlings with Jrh14-10 significantly increased the total fresh weight (by 148.1%), primary root elongation (by 1121.7%), and lateral root number (by 108.8%) under alkaline stress. RNA-Seq analysis showed that 3389 genes were up-regulated by inoculation under alkaline stress and they were associated with sulfur metabolism, photosynthetic system, and oxidative stress response. Significantly, the levels of Cys and GSH were increased by 144.3% and 48.7%, respectively, in the inoculation group compared to the control under alkaline stress. Furthermore, Jrh14-10 markedly enhanced the activities of antioxidant enzymes, resulting in lower levels of O2•-, H2O2, and MDA as well as higher levels of Fv/Fm in alkaline-treated seedlings. In summary, Jrh14-10 can improve alkaline stress resistance in seedlings which was accompanied by an increase in sulfur metabolism-mediated GSH synthesis and antioxidant enzyme activities. These results provide a mechanistic understanding of the interactions between a beneficial bacterial strain and plants under alkaline stress
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|a Journal Article
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|a Alkaline stress
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|a Antioxidant system
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|a Bacillus licheniformis
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|a Halerpestes cymbalaria (pursh) green
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| 650 |
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4 |
|a Plant
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4 |
|a Sulfur metabolism
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| 650 |
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4 |
|a Transcriptomics
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| 650 |
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7 |
|a Antioxidants
|2 NLM
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| 650 |
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7 |
|a Hydrogen Peroxide
|2 NLM
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| 650 |
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7 |
|a BBX060AN9V
|2 NLM
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| 650 |
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7 |
|a RNA, Ribosomal, 16S
|2 NLM
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| 650 |
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7 |
|a Sulfur
|2 NLM
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| 650 |
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7 |
|a 70FD1KFU70
|2 NLM
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| 700 |
1 |
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|a Zhang, Xuchen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Junwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Aiqin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pang, Qiuying
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 203(2023) vom: 01. Okt., Seite 108063
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:203
|g year:2023
|g day:01
|g month:10
|g pages:108063
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2023.108063
|3 Volltext
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|d 203
|j 2023
|b 01
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|h 108063
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