THERE IS DNA IN THE DUST IN HOMES THAT SHOW BUGS ARE LURKING

Recently there has been a new finding that suggests no amount of housecleaning will turn your home into a bug-free zone. There are over 600 types of insects, spiders and centipedes that live in most American homes.

Researchers have arrived at this number after analyzing bug DNA in dust samples collected from more than 700 homes across the United States.

The participants in this study swabbed some dust from the top of a doorway inside their house or apartment. The sealed swab was sent to the researchers, who then used DNA analysis to identify every genus of bug DNA found in the samples.

Anne Madden, a postdoctoral researcher at North Carolina State University stated - “That’s an incredible range of diversity from just a tiny swab of house dust.” The investigators did find a greater diversity of bugs in rural homes, those with basements and those with cats or dogs.

“Greater diversity does not necessarily mean greater abundance. We’re talking about more types of arthropods [insects, and centipedes], not necessarily larger populations of arthropods,” Madden said in a university news release.

“We were surprised to see that these three variables -- which we have some control over -- were more powerful predictors of biodiversity than climate,” she said. “We had expected environmental factors associated with regional climate to play a larger role than they actually did.

“This work is a significant step toward understanding the ecology of our own homes, with the goal of improving our understanding of how those organisms in our homes may affect our health and quality of life,” Madden said.

Previous research found that having pets in the home was linked with a greater diversity of germs such as bacteria and fungi.

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