Journal
JOURNAL OF EXPERIMENTAL BOTANY
Volume 72, Issue 6, Pages 2099-2113Publisher
OXFORD UNIV PRESS
DOI: 10.1093/jxb/eraa446
Keywords
Biofortification; cadmium; ferritin; iron; manganese; nicotianamine; Oryza sativa; rice; zinc
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Iron deficiency in humans is a widespread issue worldwide, and iron biofortification of rice has shown promising results in increasing grain iron concentration. However, there are still many aspects to be addressed and future studies should focus on resolving these issues to enhance rice biofortification strategies.
Iron (Fe) deficiency in humans is a widespread problem worldwide. Fe biofortification of rice (Oryza sativa) is a promising approach to address human Fe deficiency. Since its conceptualization, various biofortification strategies have been developed, some of which have resulted in significant increases in grain Fe concentration. However, there are still many aspects that have not yet been addressed in the studies to date. In this review, we first overview the important rice Fe biofortification strategies reported to date and the complications associated with them. Next, we highlight the key outstanding questions and hypotheses related to rice Fe biofortification. Finally, we make suggestions for the direction of future rice biofortification studies.
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