Florida Scientists Developed DNA Test for Invasive Snakes
The new multi-species diagnostic tool improves detection rates for four invasive snake species across Florida.
Updated on Sept. 26, 2026 in Environmental
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Researchers at the University of Florida have developed a digital PCR assay capable of identifying four invasive snake species through environmental DNA. This research-stage diagnostic significantly improves upon the low detection probability of traditional visual surveys.
Why it matters
The test enables more precise monitoring and evaluation of invasive snake removal efforts in Florida. It addresses the difficulty of finding elusive reptiles in complex ecosystems by identifying genetic material shed into soil and water.
The tetraplex digital PCR assay uses a 621 base-pair product to identify Burmese pythons, northern African pythons, boa constrictors, and rainbow boas. The test successfully detects Burmese python DNA in water within five minutes of exposure and remains viable in soil for up to two weeks.
The players
University of Florida
A public research institution with extensive programs in wildlife ecology and invasive species management in Florida.
The details
The test utilizes environmental DNA (eDNA) — genetic material left behind by organisms in their environment — to identify species without needing a visual sighting. Researchers use the cytochrome c oxidase subunit I, a specific mitochondrial gene region used for species identification, to design the assays. The process employs tetraplex digital PCR, a method that partitions a single sample into thousands of tiny reaction chambers, allowing the simultaneous detection of four distinct target species in one pass.
Timeline
September 26, 2026: Findings were published in the journal Ecology and Evolution.
The Tech Race
This diagnostic tool shifts the invasive species management landscape away from reliance on the 2024 Everglades Invasive Reptile Summit detection guidelines. By providing a scalable molecular alternative, it moves past the limitations of traditional, low-probability visual encounter methods.
The test is currently in the research stage and is intended for use by professional wildlife monitoring agencies rather than the general public. It will likely first be deployed to improve the efficiency of existing removal programs in South Florida where snake populations are most concentrated.
The takeaway
This assay provides a robust molecular tool for monitoring elusive invasive reptile populations. Observers should track upcoming field validation reports to see if the detection results match the high sensitivity demonstrated in laboratory settings.
Further reading
Learn more about local efforts to manage ecological threats in our Environmental section.
Source note: This article includes information reported by The Times of India.
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