Friday, February 26, 2021

The beetle retains the DNA of the surrounding organisms


To view the full news on the DW Arabic website, click here

Have you ever imagined that an organism the size of a beetle can help humans to detect organisms that lived in a place before through their genotype .. How can the beetle contribute to that task?

It appears that scientists will soon have a new assistant if they want to identify creatures that previously lived in a site. This new assistant is the beetle, which researchers recently discovered that its gut has the ability to preserve the genetic makeup of the DNA of what it eats, according to the ScienceMag website.

For years, researchers used to examine soil and water samples to detect organisms that lived in an area with the aim of studying its biodiversity. Scientists track the DNA of living organisms to perform genetic makeup (DNA) analysis in an effort to identify them.

The possibility of pulling DNA from solid ground remains rare, and scientists have found it difficult to pull it from the blood of mosquitoes to reveal the identity of the organism that was bitten by it, especially if there are people in the same place who may have been bitten by the same mosquitoes.

This prompted a molecular biology researcher at Queen Mary University of Britain, Rosie Drinkwater, to conduct tests of the beetle’s intestines as an alternative rich in DNA, as these organisms feed on the excrement of other organisms.

To view the full news on the DW Arabic website, click here



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