It turns out that the types of bacteria and fungi vary depending on the location of the home, its inhabitants and whether people have a pet.
"It has long been known that microbes live in our homes. What we are doing right now is to try to understand what's changing in different spaces. "
A study by a research team at Cornell University in New York showed that every average home is home to at least 8,000 bacteria. Most of them are single-celled organisms but are also common types of fungi and insects.
The survey, accompanied by several years of research, has been done in more than 250 homes in the US state, the Daily Mail reports. New York researchers claim that such an amount of bacteria and lower life forms is not even found in nature.
Scientists report that so far it has not been known to the general public because of the simple fact that there has not been such a large-scale study as their on living microorganisms in the homes and indoors. Scientific attention is focused mainly on cockroaches and rodents.
Once the research team has summed up its observations from all 250 American homes in North Carolina, scientists have documented all residents using the most advanced genome technology. Then the truth came out, namely that our homes are made of 8,000 different protozoa, bacteria and insects.
In some of the houses, over 750 species of arthropods, including spiders, have been found. In another 11 houses, a wide variety of mushrooms were found. To the surprise of the research team, 12 types of new forms of life have been discovered during the investigation, which have never been documented in the scientific papers of the leading microbiologists.
The author and engineer of the study Laura Martin of Cornell University even thinks that the number of forms of life in our homes may be many times bigger.
According to her, living in an abiotic environment like kitchen refrigerators can exist alongside wildlife ecosystems. She reminded the Future Science that according to modern science, the first human homes were from the 18th century BC, and today's premises are closest to the caves.
Researchers have found that most of the detected microorganisms have adapted to the environment in each home. This, according to them, has helped even the emergence of new types of microorganisms.
The study is currently focusing on studying living microorganisms in homes located in different climatic zones such as Alaska and Texas. The team believes that comparing the results for living domestic bacteria in the three states will give them valuable insights into the process of evolution at micro-organisms.
"People should not worry about microbes in their homes. They are all around us - on our skin, around our homes. Most of them are harmless. It's just one fact - we're surrounded by microbes,"experts say.
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