In the February 15th issue of Genes & Development, Dr. K. John McLaughlin and colleagues report on their success in using uniparental embryonic stem cells to replace blood stem cells in mice.

Homozygous mutant cells can be generated from embryonic stem (ES) cells with a single insertion of a drug-resistance marker by increasing the concentration of the selection drug. In the March Nature ...

Doubly uniparental inheritance (DUI) of mitochondrial DNA (mtDNA) represents a rare and intriguing deviation from the standard model of strictly maternal inheritance. In bivalves, DUI manifests as the ...

The author(s) indicated no potential conflicts of interest.