Metabolic engineering of carotenoid levels for improvement of plants as food, Diretto, Gianfranco, Fiore Alessia, and Giuliano Giovanni , CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources, Volume 2, (2007)

Metabolic engineering of potato carotenoid content through tuber-specific overexpression of a bacterial mini-pathway, Diretto, Gianfranco, Al-Babili S., Tavazza Raffaela, Papacchioli V., Beyer P., and Giuliano Giovanni , PLoS ONE, Volume 2, Number 4, (2007)

Of chromoplasts and chaperones, Giuliano, Giovanni, and Diretto Gianfranco , Trends in Plant Science, Volume 12, Number 12, p.529-531, (2007)

Silencing of beta-carotene hydroxylase increases total carotenoid and beta-carotene levels in potato tubers, Diretto, Gianfranco, Welsch R., Tavazza Raffaela, Mourgues F., Pizzichini Daniele, Beyer P., and Giuliano Giovanni , BMC Plant Biology, Volume 7, (2007)

Metabolic engineering of potato tuber carotenoids through tuber-specific silencing of lycopene epsilon cyclase, Diretto, Gianfranco, Tavazza Raffaela, Welsch R., Pizzichini Daniele, Mourgues F., Papacchioli V., Beyer P., and Giuliano Giovanni , BMC Plant Biology, Volume 6, (2006)