Sweet killer

2019-03-06 11:07:04

ONE of the world’s most prolific killers has a sweet tooth. Streptococcus pneumoniae kills 3 million children each year. Now Herve Tettelin and his colleagues at the Institute for Genomic Research in Rockville, Maryland, have worked out its DNA code. Compared with other bacteria, a surprisingly high number of genes are for scavenging and digesting sugars. The results appear in Science (vol 293,