To track down the origins of Cabernet Sauvignon, Mr Bowers and Dr Meredith examined 24 microsatellite sites.

ECONOMIST: Secrets of the Cabernet

In humans, microsatellite analysis works well for individuals, but is not much use when it comes to looking at entire populations.

ECONOMIST: Genetics

Dr White has identified ten microsatellite markers that can be used to build up a unique genetic profile of the individual tree.

ECONOMIST: Telling the wood from the trees

Microsatellite analysis shows that vines described as Petite Sirah by their estates are really from a number of different clonal varieties: Pelousin and Durif (both French grapes), and a third that is at present unidentified.

ECONOMIST: Secrets of the Cabernet