Related topics: pathogens

Researchers develop model of toxoplasmosis evolution

Toxoplasmosis is an infectious disease caused by the spread of Toxoplasma gondii, a parasitic alveolite with an interesting life cycle. It exists in three forms. First, oocysts are produced in cats and passed in feces or ...

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.

Bad Bacteria and Their Harmless Kin Share, Swap Genes

(PhysOrg.com) -- Comparing the genomes of disease-causing and harmless bacteria, University of Arizona microbiologists found no clear genetic demarcation between the two groups. The bacteria have swapped genes in the past, ...

Structural biology scores with protein snapshot

In a landmark technical achievement, investigators in the Vanderbilt Center for Structural Biology have used nuclear magnetic resonance (NMR) methods to determine the structure of the largest membrane-spanning protein to ...

New study overturns orthodoxy on how macrophages kill bacteria

For decades, microbiologists assumed that macrophages, immune cells that can engulf and poison bacteria and other pathogens, killed microbes by damaging their DNA. A new study from the University of Illinois disproves that.

A bacterial toolkit for colonizing plants

Using a novel experimental approach, Max Planck researchers have discovered a core set of genes required by commensal bacteria to colonize their plant hosts. The findings published in Nature Communications may have broad ...

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