Their genes are being tweaked to increase the plants' drought-resistance and improve their absorption of nitrogen.

他们正在修饰基因以增强作物抗旱和吸收氮的能力。

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Researchers investigating ancient varieties of rice have found genes that confer disease resistance and make crops more able to withstand floods and drought.

调查稻米古老品种的研究人员已经发现了含有抗病基因以及抵抗洪水和干旱能力更强的基因。

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Now, this technique has been widely applied to study molecular mechanism of resistant genes, such as drought tolerance, cold endurance and disease resistance.

目前这一研究技术也已广泛应用于抗性基因如抗旱、耐低温和抗病特性的分子机理研究中。

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"We're looking for genes that could improve taste or color" and plants with good drought resistance, said botanist Sarada Krishnan, Denver Botanic Gardens director of horticulture.

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