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Resistance against Sclerotinia sclerotiorum in soybean involves a reprogramming of the phenylpropanoid pathway and up‐regulation of antifungal activity targeting ergosterol biosynthesis

Published on Aug 1, 2019in Plant Biotechnology Journal6.84
· DOI :10.1111/pbi.13082
Ashish Ranjan6
Estimated H-index: 6
(UW: University of Wisconsin-Madison),
Nathaniel M. Westrick1
Estimated H-index: 1
(UW: University of Wisconsin-Madison)
+ 8 AuthorsMehdi Kabbage14
Estimated H-index: 14
(UW: University of Wisconsin-Madison)
Abstract
  • References (83)
  • Citations (2)
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Summary The plant membrane-localized NADPH oxidases, also known as respiratory burst oxidase homologues (RBOHs), play crucial roles in various cellular activities, including plant disease responses, and are a major source of reactive oxygen species (ROS). Sclerotinia sclerotiorum is a cosmopolitan fungal pathogen that causes Sclerotinia stem rot (SSR) in soybean. Via a key virulence factor, oxalic acid, it induces programmed cell death (PCD) in the host plant, a process that is reliant on ROS ge...
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Sclerotinia Stem Rot (SSR), caused by the fungal pathogen Sclerotinia sclerotiorum, is ubiquitous in cooler climates where soybean crops are grown. Breeding for resistance to SSR remains challenging in crops like soybean, where no single gene provides strong resistance, but instead, multiple genes work together to provide partial resistance. In this study, a genome-wide association study (GWAS) was performed to dissect the complex genetic architecture of soybean quantitative resistance to SSR an...
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Sclerotinia sclerotiorum, the causal agent of Sclerotinia stem rot (SSR), is a devastating fungal pathogen of soybean that can cause significant yield losses to growers when environmental conditions are favorable for the disease. The development of resistant varieties has proven difficult. However, poor resistance in commercial cultivars can be improved through additional breeding efforts and understanding the genetic basis of resistance. The objective of this project was to develop soybean germ...
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Genome-wide association (GWAS) and epistatic (GWES) studies along with expression studies in soybean [Glycine max (L.) Merr.] were leveraged to dissect the genetics of Sclerotinia stem rot (SSR) [caused by Sclerotinia sclerotiorum (Lib.) de Bary], a significant fungal disease causing yield and quality losses. A large association panel of 466 diverse plant introduction accessions were phenotyped in multiple field and controlled environments to: (1) discover sources of resistance, (2) identify SNP...
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Pathogenic fungi represent one of the major biotic stresses for soybean production across the world. Sclerotinia sclerotiorum, the causal agent of Sclerotinia stem rot, is a devastating fungal pathogen that is responsible for significant yield losses in soybean. In this study, the chitinase gene CmCH1, from the mycoparasitic fungus Coniothyrium minitans, which infects a range of ascomycetous sclerotia, including S. sclerotiorum and S. minor, was introduced into soybean. Transgenic plants express...
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Sclerotinia sclerotiorum is a broad-host range necrotrophic pathogen which is the causative agent of Sclerotinia stem rot (SSR), and a major disease of soybean (Glycine max). A time course transcriptomic analysis was performed in both compatible and incompatible soybean lines to identify pathogenicity and developmental factors utilized by S. sclerotiorum to achieve pathogenic success. A comparison of genes expressed during early infection identified the potential importance of toxin efflux and n...
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