ANTHOCYANIN1 of petunia controls pigment synthesis, vacuolar pH, and seed coat development by genetically distinct mechanisms
The Plant Cell (2002) - Comment
pubmed: 12215510  doi: 10.1105/tpc.003772  issn: 1040-4651  issn: 1532-298x 

Cornelis Spelt, Francesca Quattrocchio, Joseph Mol, Ronald Koes