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According to Phys.org (This article and its images were originally posted on Phys.org February 8, 2019 at 08:48AM.)
Researchers from Aarhus University, Denmark, have discovered that insects leave tiny DNA traces on the flowers they visit. This newly developed eDNA method holds a vast potential for documenting unknown insect-plant interactions, keeping track of endangered pollinators, such as wild bees and butterflies, as well as in the management of unwanted pest species.Environmental DNA (eDNA) can provide an overview of the DNA sequences in complex samples such as water and soil, and thereby a snapshot of the species inhabiting the particular ecosystem. In previous analyses of water samples from lakes and oceans, researchers have fx found DNA traces from insects, amphibians, fish and whales.
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