Researchers Develop Protein-Packed Potato in India

Published in the December 2010 Issue Published online: Dec 09, 2010
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Researchers in India have developed a genetically modified potato that is packed with up to 60 percent more protein and increased levels of amino acids.

In a paper published in the Proceedings of the National Academy of Sciences, scientists expressed hope that the transgenic potato would find more acceptance because it uses a gene from the amaranth seed, another edible crop.

Amaranth is a tall, broadleaf plant that produces tiny seeds. It was a major food of the Aztecs and earlier American cultures, and started to be grown as a grain crop in the United States in the late 1970s. One of its genes, Amaranth Albumin 1 (AmA1), is regarded as agriculturally important because it endows the plant and its seeds with high protein levels and higher concentrations of several essential amino acids.

The transgenic potatoes contain between 35 and 60 percent more protein than unmodified potatoes. They also contain increased levels of amino acids, notably lysine, tyrosine and sulfur, which are usually limited in potatoes.

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