Preliminary Study of Resistance Mechanism of <i>Botrytis cinerea</i> to SYAUP-CN-26

SYAUP-CN-26 (1<i>S</i>, 2<i>R</i>-((3-bromophenethyl)amino)-<i>N</i>-(4-chloro-2-trifluoromethylphenyl) cyclohexane-1-sulfonamide) is a novel sulfonamide compound with excellent activity against <i>Botrytis cinerea</i>. The present study sought to expl...

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Main Authors: Kai Wang, Huazhong Zhang, Wanying Zhu, Jingnan Peng, Xinghai Li, Yingzi Wang, Zhiqiu Qi
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/27/3/936
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author Kai Wang
Huazhong Zhang
Wanying Zhu
Jingnan Peng
Xinghai Li
Yingzi Wang
Zhiqiu Qi
author_facet Kai Wang
Huazhong Zhang
Wanying Zhu
Jingnan Peng
Xinghai Li
Yingzi Wang
Zhiqiu Qi
author_sort Kai Wang
collection DOAJ
description SYAUP-CN-26 (1<i>S</i>, 2<i>R</i>-((3-bromophenethyl)amino)-<i>N</i>-(4-chloro-2-trifluoromethylphenyl) cyclohexane-1-sulfonamide) is a novel sulfonamide compound with excellent activity against <i>Botrytis cinerea</i>. The present study sought to explore the mutant of <i>B.</i><i>cinerea</i> resistant to SYAUP-CN-26 using SYAUP-CN-26 plates. Moreover, the cell membrane functions of <i>B.</i><i>cinerea</i>, histidine kinase activity, relative conductivity, triglyceride, and cell membrane structure were determined, and the target gene histidine kinase Bos1 (AF396827.2) of procymidone was amplified and sequenced. The results showed that compared to the sensitive strain, the cell membrane permeability, triglyceride, and histidine kinase activity of the resistant strain showed significant changes. The relative conductivity of the sensitive strain increased by 6.95% and 9.61%, while the relative conductivity of the resistant strain increased by 0.23% and 1.76% with 26.785 µg/mL (EC<sub>95</sub>) and 79.754 µg/mL (MIC) of SYAUP-CN-26 treatment. The triglyceride inhibition rate of the resistant strain was 23.49% and 37.80%, which was 0.23% and 1.76% higher than the sensitive strain. Compared to the sensitive strain, the histidine kinase activity of the resistant strain was increased by 23.07% and 35.61%, respectively. SYAUP-CN-26 significantly damaged the cell membrane structure of the sensitive strain. The sequencing of the Bos1 gene of the sensitive and resistant strains indicated that SYAUP-CN-26 resistance was associated with a single point mutation (P348L) in the Bos1 gene. Therefore, it was inferred that the mutant of <i>B.</i><i>cinerea</i> resistant to SYAUP-CN-26 might be regulated by the Bos1 gene. This study will provide a theoretical basis for further research and development of sulfonamide compounds for <i>B. cinerea</i> and new agents for the prevention and control of resistant <i>B. cinerea</i>.
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spelling doaj.art-276f0af3615c4c76815d18383be1aa4b2023-11-23T17:14:54ZengMDPI AGMolecules1420-30492022-01-0127393610.3390/molecules27030936Preliminary Study of Resistance Mechanism of <i>Botrytis cinerea</i> to SYAUP-CN-26Kai Wang0Huazhong Zhang1Wanying Zhu2Jingnan Peng3Xinghai Li4Yingzi Wang5Zhiqiu Qi6Department of Pesticide Science, Plant Protection College, Shenyang Agricultural University, Shenyang 110866, ChinaDepartment of Pesticide Science, Plant Protection College, Shenyang Agricultural University, Shenyang 110866, ChinaDepartment of Pesticide Science, Plant Protection College, Shenyang Agricultural University, Shenyang 110866, ChinaDepartment of Pesticide Science, Plant Protection College, Shenyang Agricultural University, Shenyang 110866, ChinaDepartment of Pesticide Science, Plant Protection College, Shenyang Agricultural University, Shenyang 110866, ChinaDepartment of Pesticide Science, Plant Protection College, Shenyang Agricultural University, Shenyang 110866, ChinaDepartment of Pesticide Science, Plant Protection College, Shenyang Agricultural University, Shenyang 110866, ChinaSYAUP-CN-26 (1<i>S</i>, 2<i>R</i>-((3-bromophenethyl)amino)-<i>N</i>-(4-chloro-2-trifluoromethylphenyl) cyclohexane-1-sulfonamide) is a novel sulfonamide compound with excellent activity against <i>Botrytis cinerea</i>. The present study sought to explore the mutant of <i>B.</i><i>cinerea</i> resistant to SYAUP-CN-26 using SYAUP-CN-26 plates. Moreover, the cell membrane functions of <i>B.</i><i>cinerea</i>, histidine kinase activity, relative conductivity, triglyceride, and cell membrane structure were determined, and the target gene histidine kinase Bos1 (AF396827.2) of procymidone was amplified and sequenced. The results showed that compared to the sensitive strain, the cell membrane permeability, triglyceride, and histidine kinase activity of the resistant strain showed significant changes. The relative conductivity of the sensitive strain increased by 6.95% and 9.61%, while the relative conductivity of the resistant strain increased by 0.23% and 1.76% with 26.785 µg/mL (EC<sub>95</sub>) and 79.754 µg/mL (MIC) of SYAUP-CN-26 treatment. The triglyceride inhibition rate of the resistant strain was 23.49% and 37.80%, which was 0.23% and 1.76% higher than the sensitive strain. Compared to the sensitive strain, the histidine kinase activity of the resistant strain was increased by 23.07% and 35.61%, respectively. SYAUP-CN-26 significantly damaged the cell membrane structure of the sensitive strain. The sequencing of the Bos1 gene of the sensitive and resistant strains indicated that SYAUP-CN-26 resistance was associated with a single point mutation (P348L) in the Bos1 gene. Therefore, it was inferred that the mutant of <i>B.</i><i>cinerea</i> resistant to SYAUP-CN-26 might be regulated by the Bos1 gene. This study will provide a theoretical basis for further research and development of sulfonamide compounds for <i>B. cinerea</i> and new agents for the prevention and control of resistant <i>B. cinerea</i>.https://www.mdpi.com/1420-3049/27/3/936SYAUP-CN-26<i>Botrytis cinerea</i>activitycell membrane
spellingShingle Kai Wang
Huazhong Zhang
Wanying Zhu
Jingnan Peng
Xinghai Li
Yingzi Wang
Zhiqiu Qi
Preliminary Study of Resistance Mechanism of <i>Botrytis cinerea</i> to SYAUP-CN-26
Molecules
SYAUP-CN-26
<i>Botrytis cinerea</i>
activity
cell membrane
title Preliminary Study of Resistance Mechanism of <i>Botrytis cinerea</i> to SYAUP-CN-26
title_full Preliminary Study of Resistance Mechanism of <i>Botrytis cinerea</i> to SYAUP-CN-26
title_fullStr Preliminary Study of Resistance Mechanism of <i>Botrytis cinerea</i> to SYAUP-CN-26
title_full_unstemmed Preliminary Study of Resistance Mechanism of <i>Botrytis cinerea</i> to SYAUP-CN-26
title_short Preliminary Study of Resistance Mechanism of <i>Botrytis cinerea</i> to SYAUP-CN-26
title_sort preliminary study of resistance mechanism of i botrytis cinerea i to syaup cn 26
topic SYAUP-CN-26
<i>Botrytis cinerea</i>
activity
cell membrane
url https://www.mdpi.com/1420-3049/27/3/936
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