Category archives: Biomedicine

At the edge of the cliff: no new antibiotics for multidrug-resistant bacteria

At the edge of the cliff: no new antibiotics for multidrug-resistant bacteria

BiomedicineHealthPharmacy

By Pablo Ortiz

The Ebola outbreak has brought the fear of a viral pandemic to the headlines once more, as it happened before with the avian or swine flu. Although viruses-caused infections catch most of attention on the media, the greatest risk to human health comes from other microorganisms, the antibiotic-resistant bacteria. Contrary to viral outbreaks, the threat […]

Grasshopper mouse mighty powers against evil bark scorpion: a molecular tale

Grasshopper mouse mighty powers against evil bark scorpion: a molecular tale

BiochemistryBiomedicineMolecular biologyNeurobiology

By Sergio Laínez

Natural selection has been sculpturing living organisms for millions of years, enabling them to get adapted to an ever-changing environment. Gradually, certain traits are selected over others based on the advantage they confer to the population. Natural selection is not a random process and it relies on genetic variation. Random mutations serve as the substrate […]

From a single progenitor to a pandemic multidrug-resistant Escherichia coli

From a single progenitor to a pandemic multidrug-resistant Escherichia coli

BiomedicineMicrobiology

By Ignacio López-Goñi

Few weeks ago, a new report by WHO reveals that antibiotic resistance is now a major threat to global public health: “ the world is headed for a post-antibiotic era ”. One of the priorities is the treatment of urinary tract infections caused by Escherichia coli strains isolated from several countries and which are resistant […]

New hope against tuberculosis: spectinamides

New hope against tuberculosis: spectinamides

BiologyBiomedicineMicrobiology

By Ignacio López-Goñi

Tuberculosis (TB) represents a serious public health problem. The latest reports estimate an incidence of 8.7 million cases in 2001 and over 1.4 million deaths per year. The disease is usually be treated with a first-line drugs, isoniazid and rifampin, the two most potent anti-tuberculosis agents. However, the prevalence of multidrug-resistant (MDR) tuberculosis cause by […]