Innovative Approaches and Technologies for Examining the Uncultivable Bacteria of the Oral Microbiota (R01) | Apply Online

Opportunity Summary:

The grant opportunity titled "Innovative Approaches and Technologies for Examining the Uncultivable Bacteria of the Oral Microbiota (R01)" (Funding Opportunity Number RFA-DE-14-003) is a National Institutes of Health (NIH) research grant that was created to push the field of oral microbiology beyond what traditional culture-based methods can study. Its central focus is on the large portion of oral bacteria that are considered "uncultivable" using standard laboratory techniques, meaning they cannot be readily grown on routine media or under conventional conditions. Because these organisms are difficult to isolate and characterize through classic microbiology, they have historically been understudied even though they may play major roles in how oral microbial communities form, function, and contribute to health or disease.

The purpose of the FOA is to stimulate innovative, hypothesis-driven research that clarifies what these uncultivable bacterial species are doing within the oral microbiome and how they influence the overall microbial ecology of the mouth in both healthy states and disease settings. The announcement emphasizes that applicants should not simply catalog organisms, but instead design studies that address clear biological questions about community interactions, function, and mechanisms. The aim is to build a deeper and more actionable understanding of how hard-to-culture organisms shape oral microbial stability, dysbiosis, and disease processes, which can include conditions within the scope of oral diseases and disorders research.

A key theme throughout the opportunity is innovation in methods and technology. The FOA explicitly encourages applicants to integrate current state-of-the-art technologies and, where needed, develop new tools to make these organisms experimentally accessible. This includes combining multiple technological platforms when appropriate, since studying uncultivable bacteria often requires approaches that can infer function, map spatial relationships, and connect organisms to phenotypes without relying on standard culturing. The underlying message is that meaningful progress in this area will depend on creative experimental designs and technical advances that can reveal the identities, roles, and interactions of organisms that are otherwise invisible to traditional workflows.

Because the scientific challenges are complex and multidisciplinary, the NIH designed this FOA to encourage team science. The announcement anticipates that successful projects will often require expertise spanning microbiology, microbial ecology, genomics and other "omics" approaches, computational biology and bioinformatics, imaging and spatial mapping, clinical dentistry and oral medicine, engineering, and technology development. To support that collaborative structure, the FOA encourages the use of a multiple Program Directors/Principal Investigators (PDs/PIs) model, which is intended to bring together complementary skill sets and shared leadership across a coordinated research team. In other words, rather than expecting one lab to cover everything, the program is set up to reward well-integrated collaborations that can tackle the problem from several angles at once.

Administratively, this opportunity was offered as a discretionary grant using the NIH R01 mechanism under the funding activity category of Health, with CFDA number 93.121 (Oral Diseases and Disorders Research). It did not require cost sharing or matching. The estimated total funding amount listed for the FOA was $2,000,000. The announcement was posted and created on May 20, 2013, with an original and current closing date of September 18, 2013, and an archive date of October 19, 2013, meaning it was a time-limited solicitation rather than an open-ended standing program announcement.

Eligibility was broad across many U.S.-based organization types, reflecting the program's interest in drawing on diverse institutional strengths and technical capabilities. Eligible applicants included public and private institutions of higher education, nonprofits with and without 501(c)(3) status (other than higher education institutions), for-profit organizations other than small businesses, small businesses, and multiple levels of government entities (state, county, city or township, special district governments), as well as public housing authorities/Indian housing authorities and independent school districts. The FOA also clarified additional eligible applicants such as Historically Black Colleges and Universities (HBCUs), Hispanic-serving Institutions, Tribally Controlled Colleges and Universities (TCCUs), Alaska Native and Native Hawaiian Serving Institutions, Asian American Native American Pacific Islander Serving Institutions (AANAPISIs), faith-based or community-based organizations, and U.S. territories or possessions, among others. Foreign institutions (non-U.S. entities) were not eligible to apply as applicant organizations; however, non-domestic components of U.S. organizations could participate, and foreign components as defined by NIH policy were allowed, which is NIH's standard way of permitting specific international collaboration when it strengthens the science.

Overall, this FOA can be understood as an NIH effort to accelerate a new phase of oral microbiome research: moving from what can be grown in the lab to what actually exists and functions in the human mouth. It prioritizes studies that connect uncultivable organisms to ecological roles and disease-relevant mechanisms, and it strongly favors projects that combine cutting-edge tools, develop new experimental capabilities, and use coordinated, multi-investigator team structures to solve problems that are too large for a single discipline or laboratory to address alone.

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