Tuesday , August 3 2021

Scientists have shown that you can collect DNA from the air



Scientists and researchers may not need to capture the DNA of future roofs. As for Focus on scienceResearchers at Queen Mary University of London show that you can collect “environmental DNA” (eDNA) from the air.

The team used a peristaltic pump in combination with a pressure filter to collect nude mole DNA samples for five to 20 minutes, then used a standard kit to search for and sequence genes in the resulting samples. This method not only identifies the DNA of moles (both in the dormitory and in the room as a whole), but also simultaneously takes part of the human DNA.

The lead author, Dr. Elizabeth Claire, said the original purpose of the work was to assist conservationists and conservationists in studying the biological environment. However, with sufficient development it can be used much more. The forensic service can retrieve DNA from the air to determine if there are suspects at the crime scene. This can also be useful in medicine – virologists and epidemiologists can understand how airborne viruses spread (e.g., the one behind COVID-19).

Any practical use is still difficult to achieve. The research unit is already working with private companies, such as NatureMetrics, to develop practical applications. Watching boundaries is easy – you want to use it in an area where you know what to expect from DNA, so it can work poorly in a crowded room or outdoors. However, only the presence of this option can be very useful in situations where the surface does not give an unambiguous answer.


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