Brain cells aglow after viral delivery
Newly identified virus could help replace faulty genes in human cells
![cross-section of a mouse brain](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/02/030516_scivis_feat_free.jpg?fit=860%2C460&ssl=1)
PACKAGE DELIVERED The whitish dots in this micrograph are neurons called Purkinje cells in the cerebellum of a mouse. Their color is due to a gene the cells received from the virus AAV-PHP.B.
B. Deverman and the Gradinaru laboratory/Caltech