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Breeding new wheats with drought tolerant genes

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The discovery of a gene that controls the way plants respond to drought could help lead researchers to the "holy grail" for many farmers: a new drought-tolerant, high-performing line of wheat... Researchers at the ARC Centre of Plant Energy Biology, Australian National University, made the significant discovery several years ago of a protein that controls the amount of a signal between chloroplast and nucleus of a plant that regulates its response to drought... Arun Yadav, who works with Prof. Pogson, discovered that wheat plants have up to seven copies of the gene, and each may have slightly different functions related to drought tolerance and the production of the signal in different parts of the plant, like roots, seeds or leaves...
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