Conserved Fungal LysM Effector Ecp6 Prevents Chitin-Triggered Immunity in Plants
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- Ronnie de Jonge
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, Netherlands.
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- H. Peter van Esse
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, Netherlands.
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- Anja Kombrink
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, Netherlands.
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- Tomonori Shinya
- Department of Life Sciences, Faculty of Agriculture, Meiji University, Kawasaki, Kanagawa 214–8571, Japan.
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- Yoshitake Desaki
- Department of Life Sciences, Faculty of Agriculture, Meiji University, Kawasaki, Kanagawa 214–8571, Japan.
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- Ralph Bours
- Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, Netherlands.
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- Sander van der Krol
- Laboratory of Plant Physiology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, Netherlands.
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- Naoto Shibuya
- Department of Life Sciences, Faculty of Agriculture, Meiji University, Kawasaki, Kanagawa 214–8571, Japan.
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- Matthieu H. A. J. Joosten
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, Netherlands.
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- Bart P. H. J. Thomma
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB Wageningen, Netherlands.
書誌事項
- 公開日
- 2010-08-20
- DOI
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- 10.1126/science.1190859
- 公開者
- American Association for the Advancement of Science (AAAS)
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説明
<jats:title>Fungal Defenses</jats:title> <jats:p> One of the major driving forces of evolution is the constant arms race between plants and animals and the microbial pathogens that infect them. The fungus <jats:italic>Cladosporium fulvum</jats:italic> causes leaf mold on tomato plants. One of the ways tomato plants sense infections by <jats:italic>C. fulvum</jats:italic> is by detecting chitin, a component of fungal cell walls. In response, the fungus has evolved strategies to evade detection. <jats:bold> De Jonge <jats:italic>et al.</jats:italic> </jats:bold> (p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" page="953" related-article-type="in-this-issue" vol="329" xlink:href="10.1126/science.1190859">953</jats:related-article> ) have now identified one such mechanism in <jats:italic>C. fulvum</jats:italic> , mediated by the effector protein Ecp6. Secreted Ecp6 is able to bind to chitin oligosaccharides that are released upon degradation of the fungal cell wall and sequester them so that they are not detected by tomato chitin receptors. Proteins with domain structure similar to Ecp6 are conserved throughout the fungal kingdom, which suggests that chitin sequestration may represent a general mechanism used by fungi to evade immune detection. </jats:p>
収録刊行物
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- Science
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Science 329 (5994), 953-955, 2010-08-20
American Association for the Advancement of Science (AAAS)
