Why was there a sudden drop in the incidence of leprosy at the end of the Middle Ages? To answer this question, biologists and archeologists reconstructed the genomes of medieval strains of the pathogen responsible for the ...
Biotechnology
Jun 13, 2013
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(Phys.org) —In an age when microbial pathogens are growing increasingly resistant to the conventional antibiotics used to tamp down infection, a team of Wisconsin scientists has synthesized a potent new class of compounds ...
Biochemistry
May 23, 2013
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Endangered brush-tail rock wallabies raised in captive breeding programs carry antibiotic resistance genes in their gut bacteria and may be able to transmit these genes into wild populations, according to research published ...
Cell & Microbiology
May 22, 2013
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In 2010, a study revealed that the main agent of malaria in humans, called Plasmodium falciparum, arose from the gorilla. Today, the vector which transmitted the parasite from apes to humans has just been identified. A Franco-Gabonese ...
Plants & Animals
May 3, 2013
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Even bacteria have a kind of "immune system" they use to defend themselves against unwanted intruders – in their case, viruses. Scientists at the Helmholtz Center for Infection Research (HZI) in Braunschweig, Germany, were ...
Cell & Microbiology
Apr 30, 2013
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The house fly is often considered merely a nuisance. But these flies are capable of transmitting animal and human pathogens that can lead to foodborne diseases, including Escherichia coli, Salmonella, and Shigella bacteria.
Ecology
Apr 9, 2013
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Among eukaryotes with modified nuclear genetic codes, viruses are unknown. Until now it had been believed that the modifications to the genetic code effectively prevented new viral infections. However, researchers have now ...
Cell & Microbiology
Mar 5, 2013
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Scientists say amending an EU directive on GMOs could help stimulate innovation in making vaccines, cheaper pharmaceuticals and organic plastics using plants.
Biotechnology
Feb 19, 2013
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(Phys.org)—A team of chemists and biologists led by Indiana University chemistry professor David Giedroc has described a previously unknown function of a protein they now know is responsible for protecting a major bacterial ...
Biochemistry
Jan 29, 2013
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(Phys.org)—After years of experimentation, researchers at the University of Arkansas have solved a complex, decades-old problem in membrane biochemistry. The consequence of their work will give scientists more information ...
Biochemistry
Jan 24, 2013
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