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ForecastedResearch announcementOpportunity TEMP-31126

Funding Opportunity Announcement for Impact of Environmental Exposures on Gut-Brain Signaling in Neurological Conditions (R01)

National Institutes of Health · Department of Health and Human Services

At a glance

Funding Opportunity Announcement for Impact of Environmental Exposures on Gut-Brain Signaling in Neurological Conditions (R01) is a forecasted federal grant opportunity from the National Institutes of Health (Department of Health and Human Services). The agency's forecast estimates an application due date of January 15, 2026; forecast dates can change. Total estimated funding is $4M across about 8 awards. Applicant types listed as eligible include state governments, county governments, independent school districts, public colleges & universities, federally recognized tribal governments and 7 more. Cost sharing is not required. It is funded under Assistance Listing 93.113 (Environmental Health).

Summary assembled from the official notice's fields. The official notice governs.

Key facts

  1. Jul 18, 2025Forecast posted
  2. Oct 27, 2025 (est.)Full notice expected
  3. Jan 15, 2026 (est.)Application deadline
  4. Jul 1, 2026 (est.)Est. award date
Posted
Jul 18, 2025
Est. close date
Jan 15, 2026
Est. award date
Jul 1, 2026
Award floor
Not specified
Award ceiling
Not specified
Est. total funding
$4,000,000
Implied average award
$500,000 calculated
Expected awards
8
Cost sharing
Not required
Funding instrument
Grant
Opportunity category
Discretionary
Fiscal year
FY2026

Typical awards for this program (SAM.gov listing for ALN 93.113, not this notice): Range: $2,500 to $6,747,780 Average: $444,487

Implied average = estimated total funding ÷ expected number of awards, calculated by GrantsJunction. Actual awards vary.

Who can apply

  • State governments
  • County governments
  • Independent school districts
  • Public colleges & universities
  • Federally recognized tribal governments
  • Public & Indian housing authorities
  • Native American tribal organizations
  • 501(c)(3) nonprofits
  • Private colleges & universities
  • For-profit organizations (not small businesses)
  • Small businesses
  • Others (see notice)

Additional information on eligibility (from the notice)

Foreign components, as defined in the NIH Grants Policy Statement, are allowed.

A quick check against the listed applicant types — other requirements in the notice still apply.

Based on the published notice. Review the official notice for complete eligibility requirements.

What it funds

Official synopsis as published by the agency, formatted for readability.

The National Institute of Environmental Health Sciences (NIEHS) intends to publish a Notice of Funding Opportunity (NOFO) to solicit applications for research that builds on our understanding of the gut microbiome-brain axis for the purpose of identifying improved detection, prevention, and intervention strategies for environmental exposure-induced neurological diseases. Given the overlapping gut-brain signaling pathways and the prevalence of neurological conditions with gut-related comorbidities, the scope of this program would be inclusive of a wide range of neurological outcomes, including mental health disorders and chronic neurodegenerative conditions such as Parkinson’s disease and Alzheimer’s disease. The objective of this program is to develop gut-focused intervention strategies (e.g., probiotics, microbial biomarkers, nutritional supplements and novel therapeutics) to decrease risk, slow progression, or possibly reverse these neurological condition(s). Applications are not being solicited at this time. Notice is being provided to allow potential applicants sufficient time to develop meaningful collaborations and responsive projects. This NOFO will utilize the R01 activity code. Investigators with expertise and insights into this area of biological mechanisms underlying the effects of environmental exposures on neurological outcomes and the mediating role of the gut-brain axis are encouraged to begin to consider applying for this new NOFO. In addition, collaborative investigations combining expertise in toxicology, microbiome, and neuroscience will be encouraged and these investigators should also begin considering applying for this application. 

How to apply

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Assistance Listing

What is an ALN?

Reported obligations under ALN 93.113

Historical data · not a prediction
FY24$446M
FY25$466M
FY26$40.3M est.
Source: SAM.gov Assistance Listing 93.113. Program-wide totals, not awards from this specific opportunity.

Agency contact (as published)

Anika L. Dzierlenga, Ph.D. National Institute of Environmental Health Sciences (NIEHS)
anika.dzierlenga@nih.gov
984-287-3125

Quick answers

Is this opportunity open for applications yet?

Not yet. It is a forecast — an agency's advance notice of an expected opportunity. The agency estimates posting the full notice around October 27, 2025. Forecast details and dates can change.

Who is eligible to apply for this opportunity?

The official notice lists these applicant types as eligible: State governments, County governments, Independent school districts, Public colleges & universities, Federally recognized tribal governments, Public & Indian housing authorities, Native American tribal organizations, 501(c)(3) nonprofits, Private colleges & universities, For-profit organizations (not small businesses), Small businesses and Others (see notice). Additional restrictions may apply; review the full notice.

How much funding is available through this opportunity?

Per the notice, total estimated program funding is $4,000,000 and the agency expects to make about 8 awards.

How do I apply for this opportunity?

Applications are submitted through the official source, not through GrantsJunction. Open the official notice on Grants.gov (opportunity TEMP-31126), and review the full announcement and application package. Organizations applying through Grants.gov generally need an active SAM.gov registration and a Grants.gov account, which can take several weeks to set up.

Matched on shared Assistance Listings, agency, categories and eligible applicant types.