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Conserved molecular components for pollen tube reception and fungal invasion


Kessler, S A; Shimosato-Asano, H; Keinath, N F; Wuest, S E; Ingram, G; Panstruga, R; Grossniklaus, U (2010). Conserved molecular components for pollen tube reception and fungal invasion. Science, 330(6006):968-971.

Abstract

During sexual reproduction in flowering plants such as Arabidopsis, a tip-growing pollen tube (PT) is guided to the synergid cells of the female gametophyte, where it bursts and releases the two sperm. Here we show that PT reception and powdery mildew (PM) infection, which involves communication between a tip-growing hypha and a plant epidermal cell, share molecular components. NORTIA (NTA), a member of the MLO family originally discovered in the context of PM resistance, and FERONIA (FER), a receptor-like kinase, both control PT reception in synergids. Homozygous fer mutants also display PM resistance, revealing a new function for FER and suggesting that conserved components, such as FER and distinct MLO proteins, are involved in both PT reception and PM infection.

Abstract

During sexual reproduction in flowering plants such as Arabidopsis, a tip-growing pollen tube (PT) is guided to the synergid cells of the female gametophyte, where it bursts and releases the two sperm. Here we show that PT reception and powdery mildew (PM) infection, which involves communication between a tip-growing hypha and a plant epidermal cell, share molecular components. NORTIA (NTA), a member of the MLO family originally discovered in the context of PM resistance, and FERONIA (FER), a receptor-like kinase, both control PT reception in synergids. Homozygous fer mutants also display PM resistance, revealing a new function for FER and suggesting that conserved components, such as FER and distinct MLO proteins, are involved in both PT reception and PM infection.

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124 citations in Web of Science®
121 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Plant and Microbial Biology
07 Faculty of Science > Zurich-Basel Plant Science Center
Dewey Decimal Classification:580 Plants (Botany)
Language:English
Date:2010
Deposited On:17 Feb 2011 20:09
Last Modified:05 Apr 2016 14:46
Publisher:American Association for the Advancement of Science (AAAS)
ISSN:0036-8075
Additional Information:Comment in: Science. 2010 Nov 12;330(6006):922-3.
Publisher DOI:https://doi.org/10.1126/science.1195211
PubMed ID:21071669

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