One of the most interesting findings in this paper was that the presence or absence of a dog in a home explained nearly half of the variation in the bacterial composition on the pillows and TV screens in the houses we studied.
As Rob explained in a recent blog post, the pillows in dog homes tended to have bacteria associated with dog mouths (such as spirochetes and species of Pasteurellaceae), their skin and fur and soil. On TVs, the bacteria tended to be those associated with soil, dog skin and some other unknown source (Rest assured, however, these were not fecal bacteria.)
We wanted to share an updated version of a figure from the paper (Fig S2) where we plotted the microbial communities we detected on TV screens. Each dot represents the community of microbes in a sample collected from a TV screen in a single home. Filled purple circles represent homes with dogs and open circles represent homes with no pets. The update is that this time the figure includes home ID numbers labeling the dots for the reference of participants (and only they know who they are).