There is a widespread concern about the increasing antibiotic resistance and the limited new drugs to treat infectious diseases, as discussed in a previous post. Consequently, the discovery of a new antibiotic active against a range of bacterial […]
Listeria monocytogenes is a food-borne Gram positive bacteria that causes the infection listeriosis. It is responsible for serious clinical manifestations including gastroenteritis, and meningitis and encephalitis in newborns, with 20 to 30 % of clinical infections resulting in […]
Bacteria are the workhorses for a large number of biotechnological processes. From different fermentation processes to insulin production, they are widely used in industry due to their efficiency, fast duplication times and ease of maintenance. But often their behaviour […]
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 […]
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, […]
Since the emergence of the microscope in the early seventeenth century, many claimed its invention, but many more have tried to improve it. Many problems have been resolved on the way, allowing us to poke directly with our own eyes […]
It is common to think that sci-fi writers are extremely creative and smart when they depict alien creatures with weird (and usually disgusting) ways of reproducing, generally using for this purpose the bodies of incautious and often naïve human characters. […]
In biology few issues are as basic as the division and classification of living things. Despite the differences shown by taxa that occupy each of the categories, all living things have a common ancestor and characteristics that unite them.