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Cited by 363

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Septin-Mediated Plant Cell Invasion by the Rice Blast Fungus, Magnaporthe oryzae

Dagdas, Yasin F., Yoshino, Kae, Dagdas, Gulay, Ryder, Lauren S., Bielska, Ewa, Steinberg, Gero, Talbot, Nicholas J.·2012·Science

Abstract

Blasting Through: The fungus that causes rice blast disease, Magnaporthe oryzae , can lead to devastating reductions in rice yields. M. oryzae enters the plant by developing specialized infection structures called appressoria. Appressoria generate enormous internal turgor pressure that somehow creates invasive forces that physically break the plant cuticle. Dagdas et al. (p. 1590 ) found that a toroidal (doughnut-shaped) filamentous actin network forms at the base of the appressorium at the precise point where the penetration peg, which ruptures the rice leaf cuticle, will emerge. This network is scaffolded by means of four septin guanosine triphosphatases, which form a dynamic ring structure that colocalizes with F-actin. The findings reveal how fungi translate extreme pressure into localized physical force.

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Authors
Dagdas, Y. F., Yoshino, K., Dagdas, G., Ryder, L. S., Bielska, E., Steinberg, G., & Talbot, N. J.
Venue
Science
Published
2012-06-22
Volume
336
Issue
6088
Pages
1590-1595
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2061034298
Cited by
363
References
0
FWCI
7.43
Type
journal article
Language
en
Open access
closed

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.