Genetics

Fate of new genes cannot be predicted

New versions of genes, called alleles, can appear by mutation in populations. Even when these new alleles turn the individuals carrying them more fit to survive and reproduce, the most likely outcome is that they will get ...

Medical research

New avenue for improved treatment of cystic fibrosis

(Medical Xpress)—Cystic fibrosis is caused by a mutation in the gene that encodes a particular protein, known as the cystic fibrosis transmembrane conductance regulator (or CFTR). Although this discovery was made 25 years ...

Diseases, Conditions, Syndromes

Experimental vaccine shows promise against TB meningitis

A team of Johns Hopkins researchers working with animals has developed a vaccine that prevents the virulent TB bacterium from invading the brain and causing the highly lethal condition TB meningitis, a disease that disproportionately ...

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