Did you know that there are many “pets” living on your face? But calm down, it's no use running to the bathroom with the aim of cleaning to remove them, because the mites of the skin they inhabit deeper layers, which we cannot reach just by touching the skin of the face. However, a study showed that the existence of these beings is threatened.
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More than 90% of human beings have mites in the face region, they are of the species demodex folliculorum and they are with us from when we are born, because they are transmitted by our mother through breastfeeding.
According to biologist Alejandra Perotti, a researcher at the University of Reading, located in the United Kingdom, we should be grateful for having the capacity to offer a home for
These organisms come out of our pores at night in search of a new skin follicle in which they can mate with a partner and thus perpetuate the existence of the species. However, a recent study has shown that the existence of these mites is threatened due to changes in human DNA.
O study, which was published in the journal Molecular Biology and Evolution, highlights how closely our relationship with these microorganisms is. However, the DNA of these animals is being eroded, that is, they are becoming extinct.
The gene responsible for protecting the mite's body against ultraviolet light, for example, has already been lost. However, this even makes sense, since they are only more active at night, in periods of low light.
The work also indicated that, as the gene diversity of mites decreases, they are at risk of possible extinction, because they become less adapted and more dependent on us, consequently losing more genes and becoming completely dependent on the hosts to continue existing.
As this dependence becomes absolute, these beings will no longer be able to leave their pores to “procreate” and this is precisely what threatens the future of the species. In this sense, can humans reap losses as a result of this extinction, such as, for example, new dermatological problems, since we lose those who naturally make our "skin cleansing".
