Cited by 86Fungal and yeast genetics researchFungal Plant Pathogen ControlAntifungal resistance and susceptibility

Discovery of broad-spectrum fungicides that block septin-dependent infection processes of pathogenic fungi

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He, Min, Su, Jia, Xu, Youpin, Chen, Jinhua, Chern, Mawsheng, Lei, Mingliang, Qi, Tuo, Wang, Zongkuan +40 more·2020·Nature Microbiology

Abstract

Many pathogenic fungi depend on the development of specialized infection structures called appressoria to invade their hosts and cause disease. Impairing the function of fungal infection structures therefore provides a potential means by which diseases could be prevented. In spite of this extraordinary potential, however, relatively few anti-penetrant drugs have been developed to control fungal diseases, of either plants or animals. In the present study, we report the identification of compounds that act specifically to prevent fungal infection. We found that the organization of septin GTPases, which are essential for appressorium-mediated infection in the rice blast fungus Magnaporthe oryzae, requires very-long-chain fatty acids (VLCFAs), which act as mediators of septin organization at membrane interfaces. VLCFAs promote septin recruitment to curved plasma membranes and depletion of VLCFAs prevents septin assembly and host penetration by M. oryzae. We observed that VLCFA biosynthesis inhibitors not only prevent rice blast disease, but also show effective, broad-spectrum fungicidal activity against a wide range of fungal pathogens of maize, wheat and locusts, without affecting their respective hosts. Our findings reveal a mechanism underlying septin-mediated infection structure formation in fungi and provide a class of fungicides to control diverse diseases of plants and animals.

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Crossref · 10.1038/s41564-020-00790-y

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Authors
He, M., Su, J., Xu, Y., Chen, J., Chern, M., Lei, M., Qi, T., Wang, Z., Ryder, L. S., Tang, B., Osés-Ruiz, M., Zhu, K., Cao, Y., Yan, X., Eisermann, I., Luo, Y., Li, W., Wang, J., Yin, J., Lam, S. M., Peng, G., Sun, X., Zhu, X., Ma, B., Wang, J., Liu, J., Qing, H., Song, L., Wang, L., Hou, Q., Qin, P., Li, Y., Fan, J., Li, D., Wang, Y., Wang, X., Jiang, L., Shui, G., Xia, Y., Gong, G., Huang, F., Wang, W., Wu, X., Li, P., Zhu, L., Li, S., Talbot, N. J., & Chen, X.
Affiliations
  • Sichuan Agricultural University (CN)
  • China West Normal University (CN)
  • University of California, Davis (US)
  • Nanjing Agricultural University (CN)
  • Norwich Research Park (GB)
  • Chinese Academy of Sciences (CN)
  • Chongqing University (CN)
Corresponding author
Chen, Xuewei
Venue
Nature Microbiology
Published
2020-09-21
Volume
5
Issue
12
Pages
1565-1575
ISSN
2058-5276 (ISSN-L)
OpenAlex
W3087047077
Cited by
86
References
56
Citations by year
2026: 14 · 2025: 11 · 2024: 23 · 2023: 13 · 2022: 17 · 2021: 6 · 2020: 1 · 2012: 1
FWCI
3.00
Type
journal article
Language
en
Open access
Locations
  • Nature Microbiology (publishedVersion)
  • PubMed (publishedVersion)
  • Academica-e (Universidad Pública de Navarra) (submittedVersion)
  • UEA Digital Repository (University of East Anglia) (submittedVersion)
Funders
Biotechnology and Biological Sciences Research Council (BB/N009959/1, BB/N009959/2, BBS/E/J/000PR9797)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Fungal Plant Pathogen Control
  • Health Sciences › Medicine › Infectious Diseases › Antifungal resistance and susceptibility
Keywords
septins, appressoria, Magnaporthe oryzae, rice blast, very long chain fatty acids, fungal infection, host penetration, broad-spectrum fungicide, plant pathogenic fungi
MeSH terms
Ascomycota, Enzyme Inhibitors, Fatty Acids, Fungal Proteins, Fungi, Fungicides, Industrial, Plant Diseases, Oryza, Septins

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