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20231226095937.0 |
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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2023.108182
|2 doi
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|a pubmed24n1215.xml
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|a (DE-627)NLM36468562X
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|a (NLM)37977024
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|a (PII)S0981-9428(23)00693-9
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Min, Yuanfeng
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Bioinformatics and expression analysis of proline metabolism-related gene families in alfalfa under saline-alkali stress
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|c 2023
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 05.12.2023
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|a Date Revised 05.12.2023
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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 Regulation of the proline metabolic pathway is essential for the accumulation of proline under abiotic stress and for the amelioration of plant stress resistance. Δ1-pyrroline-5-carboxylate synthase (P5CS), pyrroline-5-carboxylate reductase (P5CR), ornithine transaminase (δ-OAT), proline dehydrogenase (PDH), pyrroline-5-carboxylate dehydrogenase (P5CDH), and proline transporter (ProT) are the key enzymes in the proline metabolic pathway. However, the gene families responsible for proline metabolism have not yet been identified or reported in alfalfa. In this study, a total of 12 MsP5CSs, 4 MsP5CRs, 3 MsOATs, 6 MsPDHs, 2 MsP5CDHs, and 5 MsProTs were identified in the genome of alfalfa, and the members of the same subfamily had similar gene structures and conserved motifs. Analysis of cis-regulatory elements revealed the presence of light-responsive, hormone-regulated, and stress-responsive elements in the promoter regions of alfalfa proline metabolism-related genes. Following treatment with saline-alkali, the expression of MsP5CSs, MsP5CRs, MsOATs, and MsProTs was significantly upregulated, whereas the expression of MsPDH1.1, MsPDH1.3, and MsP5CDH was significantly downregulated. The proline content and enzyme activity of P5CS gradually increased, whereas the enzyme activity of PDH gradually decreased as the duration of stress increased. Root growth rates decreased upon MsP5CS1a suppression (MsP5CS1a-RNAi) in the hairy roots of alfalfa compared to the empty vector line under saline-alkali stress. These results show that proline metabolism-related genes play an important role in the saline-alkali stress tolerance of alfalfa and provide a theoretical basis for further research on the functions of proline metabolism-related genes in alfalfa in response to saline-alkali stress
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|a Journal Article
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|a Alfalfa
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|a Proline metabolism
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|a Saline-alkali stress
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|a Transgenic alfalfa
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| 650 |
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7 |
|a Proline Oxidase
|2 NLM
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| 650 |
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7 |
|a EC 1.5.3.-
|2 NLM
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| 650 |
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7 |
|a Pyrroline Carboxylate Reductases
|2 NLM
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| 650 |
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7 |
|a EC 1.5.1.-
|2 NLM
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| 650 |
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7 |
|a Proline
|2 NLM
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| 650 |
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7 |
|a 9DLQ4CIU6V
|2 NLM
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| 700 |
1 |
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|a Yu, Dian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Jinghua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Weidi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Lishuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bai, Yan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guo, Changhong
|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 205(2023) vom: 15. Dez., Seite 108182
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:205
|g year:2023
|g day:15
|g month:12
|g pages:108182
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| 856 |
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|u http://dx.doi.org/10.1016/j.plaphy.2023.108182
|3 Volltext
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|d 205
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