Molecular ruler sets bacterial needle length

When a salmonella bacterium attacks a cell, it uses a nanoscopic needle to inject it with proteins to aid the infection. If the needle is too short, the cell won't be infected. Too long, and the needle breaks. Now, University ...

Researchers reconstruct genome of the Black Death

led by researchers at McMaster University and the University of Tubingen in Germany -- has sequenced the entire genome of the Black Death, one of the most devastating epidemics in human history.

Justinianic plague not a landmark pandemic?

Researchers now have a clearer picture of the impact of the first plague pandemic, the Justinianic Plague, which lasted from about 541-750 CE.

Genome study reveals extent, diversity of Roman-era pandemic

New research on one of history's most devastating plagues shows that it spread farther than previously believed, reaching post–Roman Britain, and provides new information about the plague bacteria's evolution during a pandemic ...

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