Rice (Oryza sativa L.) is a major food crop of the world, essential for the survival of more than half of the world’s population. Worldwide, approximately 480 million metric tons of milled rice is produced annually, with about 90 percent of the world’s rice produced and consumed in the six Asian countries (China, India, Indonesia, Bangladesh, Vietnam and Japan). Developing nations, particularly in Asia, are heavily reliant on rice for their dietary caloric requirements.
The highest increase in carotenoids levels within rice was accomplished when enzymes with higher activity were replaced by others in previous series. This replacement was shown to boost the production of carotenoids, reaching up to 37 μg/g in a separate long grain rice variety Kaybonnet, is referred as Golden Rice2 (GR2) series.
GE Golden Rice is far too often hyped by GMO proponents as a victory for genetic modification, claiming that these products will "feed the world" and save developing nations from dietary deficiencies. This new study emits uncertainty on the accountability of not only Golden Rice, but the biotechnology industry as a whole.
Bollinedi, H., S., G., Prabhu, K., Singh, N., Mishra, S., Khurana, J., & Singh, A. (2017). Molecular and Functional Characterization of GR2-R1 Event Based Backcross Derived Lines of Golden Rice in the Genetic Background of a Mega Rice Variety Swarna. PLOS ONE, 12(1), e0169600. http://dx.doi.org/10.1371/journal.pone.0169600
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