Detailed new corn genome shows deep resources for adaptation

Gene regulatory flexibility of corn bodes well for expanding crop's growing range on warmer planet.

A new, much more detailed reference genome for corn, or maize, was published in Nature. In its accounting of the sequence of DNA in the plant's 10 chromosomes, the new version helps geneticists understand why corn -- versus another plant -- is the most productive and widely grown crop in the world today.

Among many other things, the new sequence reveals that individual corn plants are much less alike at the genome level than humans are.

"Our new genome for maize shows

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