The Metabolism of a Novel Cytochrome P450 (<i>CYP77B34</i>) in Tribenuron-Methyl-Resistant <i>Descurainia sophia</i> L. to Herbicides with Different Mode of Actions

<i>Descurainia sophia</i> L. (flixweeds) is a noxious broad-leaf weed infesting winter wheat fields in China that has evolved high resistance to tribenuron-methyl. In this work, a brand new gene <i>CYP77B34</i> was cloned from tribenuron-methyl-resistant (TR) <i>D. soph...

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Main Authors: Jing Shen, Qian Yang, Lubo Hao, Lingling Zhang, Xuefeng Li, Mingqi Zheng
Format: Article
Language:English
Published: MDPI AG 2022-05-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/23/10/5812
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author Jing Shen
Qian Yang
Lubo Hao
Lingling Zhang
Xuefeng Li
Mingqi Zheng
author_facet Jing Shen
Qian Yang
Lubo Hao
Lingling Zhang
Xuefeng Li
Mingqi Zheng
author_sort Jing Shen
collection DOAJ
description <i>Descurainia sophia</i> L. (flixweeds) is a noxious broad-leaf weed infesting winter wheat fields in China that has evolved high resistance to tribenuron-methyl. In this work, a brand new gene <i>CYP77B34</i> was cloned from tribenuron-methyl-resistant (TR) <i>D. sophia</i> and transferred into <i>Arabidopsis thaliana</i>, and the sensitivities of <i>Arabidopsis</i> with or without the <i>CYP77B34</i> transgene to herbicides with a different mode of actions (MoAs) were tested. Compared to <i>Arabidopsis</i> expressing pCAMBIA1302-GFP (empty plasmid), <i>Arabidopsis</i> transferring pCAMBIA1302-CYP77B34 (recombinant plasmid) became resistant to acetolactate synthase (ALS)-inhibiting herbicide tribenuron-methyl, protoporphyrinogen oxidase (PPO)-inhibiting herbicides carfentrazone-ethyl and oxyfluorfen. Cytochrome P450 inhibitor malathion could reverse the resistance to tribenuron-methyl, carfentrazone-ethyl and oxyfluorfen in transgenic <i>Arabidopsis</i> plants. In addition, the metabolic rates of tribenuron-methyl in <i>Arabidopsis</i> expressing <i>CYP77B34</i> were significantly higher than those in <i>Arabidopsis</i> expressing pCAMBIA1302-GFP. Other than that, the transgenic plants showed some tolerance to very-long-chain fatty acid synthesis (VLCFAs)-inhibiting herbicide pretilachlor and photosystem (PS) II-inhibiting herbicide bromoxynil. Subcellular localization revealed that the CYP77B34 protein was located in the endoplasmic reticulum (ER). These results clearly indicated that <i>CYP77B34</i> mediated <i>D. sophia</i> resistance to tribenuron-methyl and may have been involved in <i>D. sophia</i> cross-resistance to carfentrazone-ethyl, oxyfluorfen, pretilachlor and bromoxynil.
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spelling doaj.art-496e596fbaad4098bb283bd83c05b3ed2023-11-23T11:28:54ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672022-05-012310581210.3390/ijms23105812The Metabolism of a Novel Cytochrome P450 (<i>CYP77B34</i>) in Tribenuron-Methyl-Resistant <i>Descurainia sophia</i> L. to Herbicides with Different Mode of ActionsJing Shen0Qian Yang1Lubo Hao2Lingling Zhang3Xuefeng Li4Mingqi Zheng5Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, ChinaDepartment of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, ChinaDepartment of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, ChinaDepartment of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, ChinaDepartment of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, ChinaDepartment of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China<i>Descurainia sophia</i> L. (flixweeds) is a noxious broad-leaf weed infesting winter wheat fields in China that has evolved high resistance to tribenuron-methyl. In this work, a brand new gene <i>CYP77B34</i> was cloned from tribenuron-methyl-resistant (TR) <i>D. sophia</i> and transferred into <i>Arabidopsis thaliana</i>, and the sensitivities of <i>Arabidopsis</i> with or without the <i>CYP77B34</i> transgene to herbicides with a different mode of actions (MoAs) were tested. Compared to <i>Arabidopsis</i> expressing pCAMBIA1302-GFP (empty plasmid), <i>Arabidopsis</i> transferring pCAMBIA1302-CYP77B34 (recombinant plasmid) became resistant to acetolactate synthase (ALS)-inhibiting herbicide tribenuron-methyl, protoporphyrinogen oxidase (PPO)-inhibiting herbicides carfentrazone-ethyl and oxyfluorfen. Cytochrome P450 inhibitor malathion could reverse the resistance to tribenuron-methyl, carfentrazone-ethyl and oxyfluorfen in transgenic <i>Arabidopsis</i> plants. In addition, the metabolic rates of tribenuron-methyl in <i>Arabidopsis</i> expressing <i>CYP77B34</i> were significantly higher than those in <i>Arabidopsis</i> expressing pCAMBIA1302-GFP. Other than that, the transgenic plants showed some tolerance to very-long-chain fatty acid synthesis (VLCFAs)-inhibiting herbicide pretilachlor and photosystem (PS) II-inhibiting herbicide bromoxynil. Subcellular localization revealed that the CYP77B34 protein was located in the endoplasmic reticulum (ER). These results clearly indicated that <i>CYP77B34</i> mediated <i>D. sophia</i> resistance to tribenuron-methyl and may have been involved in <i>D. sophia</i> cross-resistance to carfentrazone-ethyl, oxyfluorfen, pretilachlor and bromoxynil.https://www.mdpi.com/1422-0067/23/10/5812flixweedcytochrome P450 monooxygenasesmetabolic resistanceresistance patterns
spellingShingle Jing Shen
Qian Yang
Lubo Hao
Lingling Zhang
Xuefeng Li
Mingqi Zheng
The Metabolism of a Novel Cytochrome P450 (<i>CYP77B34</i>) in Tribenuron-Methyl-Resistant <i>Descurainia sophia</i> L. to Herbicides with Different Mode of Actions
International Journal of Molecular Sciences
flixweed
cytochrome P450 monooxygenases
metabolic resistance
resistance patterns
title The Metabolism of a Novel Cytochrome P450 (<i>CYP77B34</i>) in Tribenuron-Methyl-Resistant <i>Descurainia sophia</i> L. to Herbicides with Different Mode of Actions
title_full The Metabolism of a Novel Cytochrome P450 (<i>CYP77B34</i>) in Tribenuron-Methyl-Resistant <i>Descurainia sophia</i> L. to Herbicides with Different Mode of Actions
title_fullStr The Metabolism of a Novel Cytochrome P450 (<i>CYP77B34</i>) in Tribenuron-Methyl-Resistant <i>Descurainia sophia</i> L. to Herbicides with Different Mode of Actions
title_full_unstemmed The Metabolism of a Novel Cytochrome P450 (<i>CYP77B34</i>) in Tribenuron-Methyl-Resistant <i>Descurainia sophia</i> L. to Herbicides with Different Mode of Actions
title_short The Metabolism of a Novel Cytochrome P450 (<i>CYP77B34</i>) in Tribenuron-Methyl-Resistant <i>Descurainia sophia</i> L. to Herbicides with Different Mode of Actions
title_sort metabolism of a novel cytochrome p450 i cyp77b34 i in tribenuron methyl resistant i descurainia sophia i l to herbicides with different mode of actions
topic flixweed
cytochrome P450 monooxygenases
metabolic resistance
resistance patterns
url https://www.mdpi.com/1422-0067/23/10/5812
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