Journal
SCIENCE
Volume 330, Issue 6006, Pages 968-971Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1195211
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Funding
- University of Zurich
- Max Planck Society
- Human Frontiers in Science Program
- Forschungskredit of the University of Zurich
- International Max Planck Research School
- Royal Society of London
- Deutsche Forschungsgemeinschaft [SFB670]
- Swiss National Science Foundation
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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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