Researchers at the University of California, Berkeley, have for the first time captured elusive nanoscale movements of ribosomes at work, shedding light on how these cellular factories take in genetic instructions and amino acids to churn out proteins. [More]

The journal Lancet Infectious Diseases examines the worldwide spread of extensively drug-resistant tuberculosis (XDR-TB). Currently, about 500,000 of the 9 million new cases of TB that are identified each year are strains of XDR-TB. "Drug resistance is largely man-made - it is vitally important to review antibiotic treatment strategies and to ensure the Stop TB Strategy is fully applied to prevent further selection of drug-resistant mutants," Leonard Amaral of Universidade Nova de Lisboa said. [More]

A new report suggests that the number of cases of extensively drug-resistant tuberculosis (XDR-TB) in the U.S. has declined in the past fifteen years, but new cases continue to be reported, according to the study published in the November 12 issue of JAMA. [More]

A changing population structure and ongoing migration have increased cases of drug resistant tuberculosis, according to a study published on bmj.com today. [More]

Health experts have confirmed that the emergence of extensively drug-resistant tuberculosis (XDR-TB) poses a serious threat to public health, particularly when associated with HIV. [More]

It was 18 months ago when doctors in South Africa who were treating HIV/AIDS patients first raised the alarm that an untreatable form of tuberculosis (TB) was circulating. [More]