The G143A Mutation in the Cytochrome b Gene Is Associated with Quinone Outside Inhibitor Fungicide Resistance in Cercospora sojina from Soybean Fields in Wisconsin

Danilo L. Neves; Richard W. Webster; Damon L. Smith; Carl A. Bradley

doi:10.1094/PHP-09-21-0115-BR

The G143A Mutation in the Cytochrome b Gene Is Associated with Quinone Outside Inhibitor Fungicide Resistance in Cercospora sojina from Soybean Fields in Wisconsin

Danilo L. Neves, Richard W. Webster, Damon L. Smith, Carl A. Bradley

Plant Pathology

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Fungicides are valuable tools for crop protection, and correct use reduces the risks associated with fungal plant diseases, especially those related to yield losses. On the other hand, excessive fungicide use can give rise to the selection of fungicide-resistant pathogens (Brent and Hollomon 2007). Quinone outside inhibitor (QoI) fungicides have been widely used to manage plant diseases, because they have a broad spectrum against many fungal plant pathogens. Fungicides in the QoI class inhibit mitochondrial respiration by binding to the quinol oxidation site of the cytochrome bc1 complex, interrupting electron transport (Bartlett et al. 2002). Because QoI fungicides have a single mode of action, the risk of selection of fungal isolates with resistance is considered high (FRAC 2020).

Original language	English
Pages (from-to)	241-242
Number of pages	2
Journal	Plant Health Progress
Volume	23
Issue number	2
DOIs	https://doi.org/10.1094/PHP-09-21-0115-BR
State	Published - 2022

Bibliographical note

Funding Information:
Funding: Support for this research was supported by the United Soybean Board (grant number 2120-172-0140) and the Wisconsin Soybean Marketing Board.

Publisher Copyright:
© 2022. The American Phytopathological Society

Keywords

Cyt b
Frogeye leaf spot
Glycine max
Qoi

ASJC Scopus subject areas

Plant Science
Horticulture

Access to Document

10.1094/PHP-09-21-0115-BR

Cite this

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title = "The G143A Mutation in the Cytochrome b Gene Is Associated with Quinone Outside Inhibitor Fungicide Resistance in Cercospora sojina from Soybean Fields in Wisconsin",

abstract = "Fungicides are valuable tools for crop protection, and correct use reduces the risks associated with fungal plant diseases, especially those related to yield losses. On the other hand, excessive fungicide use can give rise to the selection of fungicide-resistant pathogens (Brent and Hollomon 2007). Quinone outside inhibitor (QoI) fungicides have been widely used to manage plant diseases, because they have a broad spectrum against many fungal plant pathogens. Fungicides in the QoI class inhibit mitochondrial respiration by binding to the quinol oxidation site of the cytochrome bc1 complex, interrupting electron transport (Bartlett et al. 2002). Because QoI fungicides have a single mode of action, the risk of selection of fungal isolates with resistance is considered high (FRAC 2020).",

keywords = "Cyt b, Frogeye leaf spot, Glycine max, Qoi",

author = "Neves, {Danilo L.} and Webster, {Richard W.} and Smith, {Damon L.} and Bradley, {Carl A.}",

note = "Funding Information: Funding: Support for this research was supported by the United Soybean Board (grant number 2120-172-0140) and the Wisconsin Soybean Marketing Board. Publisher Copyright: {\textcopyright} 2022. The American Phytopathological Society",

year = "2022",

doi = "10.1094/PHP-09-21-0115-BR",

language = "English",

volume = "23",

pages = "241--242",

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T1 - The G143A Mutation in the Cytochrome b Gene Is Associated with Quinone Outside Inhibitor Fungicide Resistance in Cercospora sojina from Soybean Fields in Wisconsin

AU - Neves, Danilo L.

AU - Webster, Richard W.

AU - Smith, Damon L.

AU - Bradley, Carl A.

N1 - Funding Information: Funding: Support for this research was supported by the United Soybean Board (grant number 2120-172-0140) and the Wisconsin Soybean Marketing Board. Publisher Copyright: © 2022. The American Phytopathological Society

PY - 2022

Y1 - 2022

N2 - Fungicides are valuable tools for crop protection, and correct use reduces the risks associated with fungal plant diseases, especially those related to yield losses. On the other hand, excessive fungicide use can give rise to the selection of fungicide-resistant pathogens (Brent and Hollomon 2007). Quinone outside inhibitor (QoI) fungicides have been widely used to manage plant diseases, because they have a broad spectrum against many fungal plant pathogens. Fungicides in the QoI class inhibit mitochondrial respiration by binding to the quinol oxidation site of the cytochrome bc1 complex, interrupting electron transport (Bartlett et al. 2002). Because QoI fungicides have a single mode of action, the risk of selection of fungal isolates with resistance is considered high (FRAC 2020).

AB - Fungicides are valuable tools for crop protection, and correct use reduces the risks associated with fungal plant diseases, especially those related to yield losses. On the other hand, excessive fungicide use can give rise to the selection of fungicide-resistant pathogens (Brent and Hollomon 2007). Quinone outside inhibitor (QoI) fungicides have been widely used to manage plant diseases, because they have a broad spectrum against many fungal plant pathogens. Fungicides in the QoI class inhibit mitochondrial respiration by binding to the quinol oxidation site of the cytochrome bc1 complex, interrupting electron transport (Bartlett et al. 2002). Because QoI fungicides have a single mode of action, the risk of selection of fungal isolates with resistance is considered high (FRAC 2020).

KW - Cyt b

KW - Frogeye leaf spot

KW - Glycine max

KW - Qoi

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JO - Plant Health Progress

JF - Plant Health Progress

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The G143A Mutation in the Cytochrome b Gene Is Associated with Quinone Outside Inhibitor Fungicide Resistance in Cercospora sojina from Soybean Fields in Wisconsin

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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