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Solicitation

GUARDIAN

DARPA-PS-26-17

Defense Advanced Research Projects Agency, Def Advanced Research Projects Agcy. Research and Development in Biotechnology (except Nanobiotechnology).

Response deadline

April 7, 2026

Closed 163 days ago. Posted March 5, 2026, first published February 18, 2026. Scheduled to archive May 7, 2026.

Description

As published on SAM.gov.

The Defense Advanced Research Projects Agency (DARPA) is soliciting innovative approaches to controllably eliminate invasive species from defined areas, primarily focused on New World Screwworm (NWS) and Brown Tree Snake (BTS)(Guam), using genetic drive technologies (GDT). GUARDIAN is composed of three Technical Areas (TAs). The first Option TA is focused on BTS eradication.

Proposers are expected to complete modeling and laboratory testing of genetic elements in the 18-month Phase 1 and contained (laboratory or greenhouse) testing during the 18-month Phase 2. Option TA1 will emphasize: genetic precision to ensure off-target effects and GDT resistance is minimized; GDT control by designing counter measures/GDT immunization to add additional safeguards; and fieldability by ensuring laboratory and contained testing meets regulatory agency requirements to proceed to field trials and that the GDT meets requirements needed for impactful population reduction goals.

Option TA2 seeks to develop innovative cell cultures methods that accelerate the study of gene drives in eukaryotic organisms and should contain elements that support Option TA1. The third Option TA focuses on population modeling of gene drives, particularly that of NWS and BTS.

The purpose of Amendment 1 to DARPA-PS-26-17, the GUARDIAN (Genetic Utilization for Advanced Regulation and Defense of Indigenous and Native species) Program Solicitation (PS), is to clarify the submission instructions and proposal abstract content.

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. February 18, 2026

    Solicitation

    Due April 7, 2026. SAM.gov, notice aa1e055e84e74d8b97d67753d5bb8347

  2. March 5, 2026

    Solicitation

    Due April 7, 2026. SAM.gov, notice 21f66561c62d4764a4c38d523dcc686e

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