Transgenic cassava with bacterial genes of the carotenoid biosynthetic pathway accumulate higher levels of phytoene, lutein and a and b-carotene - Chavarriaga Aguirre, Paul; Ladino Franco, Y.J.; Beltrán Giraldo, Jorge Alonso; Vacca, Orlando; López, D.; García, M.; Chávez, Alba L.; Arango Mejía, J.; Beyer, Peter; Al-Babili, S.; Tohme, Joseph M. (International Center for Tropical Agriculture, 2007)