Airborne environmental DNA (eDNA) 🧬 🦇

Here’s a cool new environmental DNA (eDNA) paper where the researchers (Garrett et al. 2023) used airborne DNA to detect bats in their roosts.

Title: Out of thin air: surveying tropical bat roosts through air sampling of eDNA

OA 🔗

All of the detected bats (some rather rare) are known from previous work in the area. The authors also note non-target eDNA that likely drifted into some roosts (e.g. cow eDNA). However in some cases the non-target eDNA detections likely were from species actually associating with bats.

eDNA is a great method for detecting hard-to-access species, and this is a good demonstration of its utility.

Fig. 2 from the linked page showing the bat species that the authors detected using eDNA methodology.

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