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Nature 416, 567 (11 April 2002) | doi:10.1038/416567a

Rice must be perfectly cooked

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The draft genome sequences of Oryza sativa, published last week, are impressive achievements, but not the finished article. The public rice genome project more than ever deserves support.

If a base pair of DNA were a grain of rice, then a perfect sequence of the crop's genome would lay out 450 million grains end to end over more than 2,000 kilometres, with each grain correctly aligned and positioned. Assembling this sequence is the goal of the Japanese-led public International Rice Genome Sequencing Project (IRGSP), which is working on the japonica subspecies.