Funder: U.S. National Science Foundation

Due Dates: Proposals accepted anytime

Funding Amounts: Estimated total funding: $18,500,000 | Typical awards: $50,000–$300,000 per year for 2–4 years (up to 5 years for CAREER)

Summary: Supports research on mechanisms mediating beneficial and antagonistic interactions between plants and microbes, invertebrates, and other biotic partners, with relevance to both fundamental biology and agriculture.

Key Information: No formal deadlines; proposals may be submitted at any time.