How cancer-causing papillomaviruses evolved

Cancer-causing human papillomaviruses (HPVs) diverged from their most recent common ancestors approximately half a million years ago, roughly coinciding with the timing of the split between archaic Neanderthals and modern ...

Researchers discover what pneumococcus says to make you sick

Carnegie Mellon University researchers have identified a molecule that plays a key role in bacterial communication and infection. Their findings add a new word to pneumococcus' molecular dictionary and may lead to novel ways ...

How Nagana is carried by tsetse flies

Researchers at the University of Bristol have revealed new details on how the animal disease Nagana is spread by tsetse flies in Africa.

Plotting the path of plant pathogens

In a sneak attack, some pathogenic microbes manipulate plant hormones to gain access to their hosts undetected. Biologists at Washington University in St. Louis have exposed one such interloper by characterizing the unique ...

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