It has been detected previously that animals shed DNA, known as eDNA from their bodies into the environment. It was also previously detected in water, snow and soil, but not in the air. Now, scientists have found that human and animal DNA can be collected from air too. Scientists say this study can prove beneficial in studying contagious diseases like COVID-19, elusive animals, criminal investigations, forensic science and archaeology.
If a criminal is suspected to have been present on the crime scene, his DNA in the air can revealed his identity. Environmental DNA shed by any person’s body (eDNA) will be captured easily by sucking air from a room and pumped through an ultra-fine filter.
A senior lecturer at Queen Mary University of London, Dr Elizabeth Clare, set about determining if environmental DNA can be filtered from air.
As per the study, naked mole-rat DNA was found from the air of the room where they were housed in.
Human DNA from the mole rats carers were ide...
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