In 1347, plague first entered the Mediterranean via trade ships transporting goods from the territories of the Golden Horde in the Black Sea. The disease then disseminated across Europe, the Middle East and northern Africa ...
Archaeology
Jun 15, 2022
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627
In a 5,000 year old grave outside Falköping, scientists have found the oldest traces of the plague bacterium's DNA in the world. An international research team including archaeologists from the University of Gothenburg made ...
Archaeology
Dec 7, 2018
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87
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 ...
Cell & Microbiology
Mar 16, 2015
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(Phys.org)—A pair of researchers with NIH has discovered the evolutionary path that a bacterium that causes the plague took to allow for transmission via fleas. In their paper published in Proceedings of the National Academy ...
About 6,000 years ago, a bacterium underwent a few genetic changes. These allowed it to expand its habitat from the guts of mice to that of fleas. Such changes happen all the time, but in this particular instance the transformation ...
Cell & Microbiology
May 27, 2014
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0
You can learn a lot from a tooth. Molars taken from skeletons unearthed by work on a new London railway line are revealing secrets of the medieval Black Death—and of its victims.
Archaeology
Mar 30, 2014
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2
(Phys.org)—A more than 50-year-old question has now been answered. Chemists and microbiologists at the Biological Chemistry Center at Umeå University in Sweden are now able to describe in detail the role of calcium in ...
Cell & Microbiology
Dec 3, 2012
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0
(PhysOrg.com) -- An international team of scientists has undertaken a study, the results of which have been published in the Proceedings of the National Academy of Sciences, to better understand the link between climate conditions ...
