Banana21: From Gene Discovery to Deregulated Golden Bananas

Frontiers in Plant Science
Jean-Yves PaulJames Dale

Abstract

Uganda is a tropical country with a population in excess of 30 million, >80% of whom live in rural areas. Bananas (Musa spp.) are the staple food of Uganda with the East African Highland banana, a cooking banana, the primary starch source. Unfortunately, these bananas are low in pro-vitamin A (PVA) and iron and, as a result, banana-based diets are low in these micronutrients which results in very high levels of inadequate nutrition. This inadequate nutrition manifests as high levels of vitamin A deficiency, iron deficiency anemia, and stunting in children. A project known as Banana21 commenced in 2005 to alleviate micronutrient deficiencies in Uganda and surrounding countries through the generation of farmer- and consumer-acceptable edible bananas with significantly increased fruit levels of PVA and iron. A genetic modification approach was adopted since bananas are recalcitrant to conventional breeding. In this review, we focus on the PVA-biofortification component of the Banana21 project and describe the proof-of-concept studies conducted in Australia, the transfer of the technology to our Ugandan collaborators, and the successful implementation of the strategy into the field in Uganda. The many challenges encountered and the...Continue Reading

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Citations

Jul 22, 2020·Food & Function·Oliver D JohnLindsay Brown
Jul 30, 2020·The Journal of Nutrition·Kendal D Hirschi
Dec 25, 2021·Molecular Plant·Camilla StantonDorina Podar

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Datasets Mentioned

BETA
X01077
AF119096
U32636

Methods Mentioned

BETA
genetic modification
transgenic

Software Mentioned

HarvestPlus
QUT
BananaTracker

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