Building Synthetic Microbial Communities for Biology, Mitigating Climate Change, Sustainability and Biotechnology | 25 501

Opportunity Information: Apply for 25 501

The National Science Foundation (NSF) grant opportunity titled Building Synthetic Microbial Communities for Biology, Mitigating Climate Change, Sustainability and Biotechnology (Funding Opportunity Number 25-501) supports research that uses or builds synthetic microbial communities as streamlined, well-defined model systems for discovery and application. The central idea is that while natural microbiomes are incredibly complex, carefully designed synthetic communities can be used to ask clearer, more testable questions about how microbial communities form, persist, interact, and function. NSF is looking for projects that translate what is learned from these controlled synthetic systems into deeper understanding of real-world microbial communities and, where relevant, how those communities affect a host organism.

The solicitation emphasizes two main research pathways. First, it invites projects that use a model synthetic microbial community to illuminate core principles underlying natural communities, including their assembly, maintenance, stability, and functional outputs. This can include studying how community members cooperate or compete, how metabolic exchange and signaling shape community behavior, what drives resilience or collapse under stress, and how community-level traits emerge from interactions among individual microbes. When the community is associated with a host (for example, plants, animals, or humans), projects may also focus on understanding how microbial communities influence host health, performance, or environmental responses.

Second, NSF seeks projects that create synthetic microbial communities with novel or enhanced capabilities and then investigate the biological mechanisms that make those capabilities possible. In other words, it is not only about building an engineered community that does something useful, but also about generating fundamental knowledge that explains why it works and how it can be made more predictable, stable, and transferable. The solicitation is explicitly open to work across scales, from molecular and cellular mechanisms (such as gene regulation, metabolite exchange, and signaling) to population and community ecology (such as dynamics, stability, and evolutionary change), all the way to ecosystem-scale outcomes (such as nutrient cycling, carbon flux, or environmental remediation).

A key motivation behind the program is to build a broadly useful knowledge base that enables rational design of synthetic microbial communities for real-world needs, particularly in climate resiliency, sustainability, biotechnology, and biomanufacturing. That framing signals interest in research that can ultimately inform communities designed to improve carbon management, reduce greenhouse gas impacts, support sustainable agriculture, enable greener chemical production, improve waste conversion, or enhance biological manufacturing processes. Even when projects are application-inspired, the solicitation underscores the importance of identifying and generalizing fundamental biological principles so the field can move from trial-and-error community assembly toward more predictive design rules.

Eligibility is limited to U.S.-based institutions. Proposals may be submitted by U.S. Institutions of Higher Education, including accredited two- and four-year colleges and universities (including community colleges), acting on behalf of their faculty. Certain non-profit, non-academic organizations are also eligible, such as independent museums, observatories, research laboratories, and professional societies located in the United States and directly connected to education or research activities. If a proposal would route funding to an international branch campus of a U.S. institution (including via subawards or consultants), the proposer must clearly explain why work at that international campus is beneficial and why the same activities cannot be performed at the U.S. campus.

Administratively, this is a discretionary NSF research grant in the Science and Technology and other Research and Development category (CFDA 47.074). The original closing date listed is February 3, 2025. NSF anticipates making about 12 awards, and the award ceiling is not specified in the provided listing.

• The National Science Foundation in the science and technology and other research and development sector is offering a public funding opportunity titled "Building Synthetic Microbial Communities for Biology, Mitigating Climate Change, Sustainability and Biotechnology" and is now available to receive applicants.
• Interested and eligible applicants and submit their applications by referencing the CFDA number(s): 47.074.
• This funding opportunity was created on 2024-10-05.
• Applicants must submit their applications by 2025-02-03. (Agency may still review applications by suitable applicants for the remaining/unused allocated funding in 2026.)
• The number of recipients for this funding is limited to 12 candidate(s).
• Eligible applicants include: Others.

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