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240411s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2024.108597
|2 doi
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|a pubmed24n1403.xml
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|a (DE-627)NLM370881885
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|a (NLM)38598868
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|a (PII)S0981-9428(24)00265-1
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Zhan, You
|e verfasserin
|4 aut
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|a Target-site and non-target-site resistance mechanisms confer mesosulfuron-methyl resistance in Alopecurus aequalis
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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 09.05.2024
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|a Date Revised 09.05.2024
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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 BACKGROUND: Shortawn foxtail (Alopecurus aequalis Sobol.) is a noxious weed in China. The resistance of A. aequalis developed rapidly due to the long-term application of acetolactate synthase (ALS)-inhibiting herbicides. Here, a suspected mesosulfuron-methyl-resistant A. aequalis population, Aa-R, was collected from a wheat field in China
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|a RESULTS: A dose‒response test showed that the Aa-R population has evolved a high level of resistance to mesosulfuron-methyl, and its growth was suppressed by imazamox, pyroxsulam and bispyribac-sodium. ALS gene sequence analysis revealed that a known resistance-related mutation (Pro-197-Thr) was present in the Aa-R population. Moreover, ALS gene overexpression was detected in the Aa-R population. The mesosulfuron-methyl resistance could be reversed by cytochrome P450 monooxygenase (CYP450) and glutathione S-transferase (GST) inhibitors. In addition, enhanced metabolism of mesosulfuron-methyl was detected in the Aa-R population compared with the susceptible population. NADPH-cytochrome P450 reductase and GST activities were strongly inducible in the Aa-R population. One CYP450 gene, CYP74A2, and one GST gene, GST4, were constitutively upregulated in the Aa-R population. Molecular docking results showed the binding affinity of CYP74A2 and GST4 for the tested ALS-inhibiting herbicides, respectively
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|a CONCLUSION: This study confirmed that target-site resistance and non-target-site resistance involving CYP450 and GST were the main mechanisms involved in resistance in the mesosulfuron-methyl-resistant A. aequalis population
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|a Journal Article
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|a Alopecurus aequalis
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|a Cytochrome P450 monooxygenase
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|a Glutathione S-transferases
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|a Mesosulfuron-methyl
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|a Non-target-site resistance
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|a Sulfonylurea Compounds
|2 NLM
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|a mesosulfuron-methyl
|2 NLM
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|a 22L00R79A6
|2 NLM
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|a Acetolactate Synthase
|2 NLM
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|a EC 2.2.1.6
|2 NLM
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|a Herbicides
|2 NLM
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|a Cytochrome P-450 Enzyme System
|2 NLM
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|a 9035-51-2
|2 NLM
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|a Plant Proteins
|2 NLM
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|a imazamox
|2 NLM
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| 650 |
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|a UG6793ON5F
|2 NLM
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|a Glutathione Transferase
|2 NLM
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| 650 |
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|a EC 2.5.1.18
|2 NLM
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| 650 |
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|a bispyribac
|2 NLM
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| 650 |
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|a 9W20BD966G
|2 NLM
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| 650 |
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|a Imidazoles
|2 NLM
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|a Benzoates
|2 NLM
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|a Pyrimidines
|2 NLM
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| 700 |
1 |
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|a Liu, Haozhe
|e verfasserin
|4 aut
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|a Cao, Ziheng
|e verfasserin
|4 aut
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|a Qi, Jiale
|e verfasserin
|4 aut
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|a Bai, Lianyang
|e verfasserin
|4 aut
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| 700 |
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|a Pan, Lang
|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 210(2024) vom: 10. Mai, Seite 108597
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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| 773 |
1 |
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|g volume:210
|g year:2024
|g day:10
|g month:05
|g pages:108597
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|u http://dx.doi.org/10.1016/j.plaphy.2024.108597
|3 Volltext
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