Experiments in mice have shown than an enzyme that repairs broken DNA inside the nucleus also has a central role in the innate immune system because it is able to detect foreign DNA outside the nucleus.
The details of how the enzyme DNA polymerase α initiates the polymerization of nucleotides in DNA replication, a critical step in the synthesis of new chromosomal DNA, have been revealed in atomic detail.
Hypothemycin, which inhibits a number of protein kinases, kills the T. brucei parasites that cause sleeping sickness and reveals new therapeutic targets for the disorder.
Cells that give rise to the infectious form of parasitic flatworms called schistosomes show similar patterns of gene expression to stem cells in free-living flatworms.