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Python DNA Found in Florida Waters
30 Sep
Summary
- Scientists use eDNA from water to find pythons in Florida.
- New markers accurately detect python DNA in challenging water.
- This helps track invasive species spread northward.
Scientists have successfully developed and optimized environmental DNA (eDNA) markers specifically designed to detect Burmese pythons from water samples collected in southern Florida. This breakthrough technology focuses on analyzing water from critical areas like Stormwater Treatment Areas and the Corkscrew Regional Ecosystem Watershed.
The project's primary goal is to enhance the understanding of Burmese python distribution across South Florida. By utilizing eDNA techniques in the region's interconnected canal and river network, researchers aim to identify potential corridors for the invasive snakes' northward expansion. This method allows for the detection of python DNA, even in challenging water conditions.
New species-specific markers have been created for use with a highly accurate droplet digital polymerase chain reaction (ddPCR) platform. While detecting python eDNA presents difficulties due to factors like low shedding rates and environmental inhibitors, these optimized markers and advanced techniques significantly improve detection capabilities. Ongoing refinement of these methods is crucial for accurately estimating python range and distribution in Florida's waterways.
