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Domestication of Wild Tomato is Accelerated by Genome Editing
Tingdong Li, Xinping Yang, Yuan Yu, Xiaomin Si, Xiawan Zhai, Huawei Zhang, Wenxia Dong, Caixia Gao & Cao Xu
Nature Biotechnology
Abstract
Crop improvement by inbreeding often results in fitness penalties and loss of genetic diversity. We introduced desirable traits into four stress-tolerant wild-tomato accessions by using multiplex CRISPR–Cas9 editing of coding sequences, cis- regulatory regions or upstream open reading frames of genes associated with morphology, flower and fruit production, and ascorbic acid synthesis. Cas9-free progeny of edited plants had domesticated phenotypes yet retained parental disease resistance and salt tolerance.
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DOI:10.1038/nbt.4273 |
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Domestication of Wild Tomato is Accelerated by Genome Editing |
Authors |
Tingdong Li, Xinping Yang, Yuan Yu, Xiaomin Si, Xiawan Zhai, Huawei Zhang, Wenxia Dong, Caixia Gao & Cao Xu |
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2018-10-02 |
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Crop improvement by inbreeding often results in fitness penalties and loss of genetic diversity. We introduced desirable traits into four stress-tolerant wild-tomato accessions by using multiplex CRISPR–Cas9 editing of coding sequences, cis- regulatory regions or upstream open reading frames of genes associated with morphology, flower and fruit production, and ascorbic acid synthesis. Cas9-free progeny of edited plants had domesticated phenotypes yet retained parental disease resistance and salt tolerance. |
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Crop improvement by inbreeding often results in fitness penalties and loss of genetic diversity. We introduced desirable traits into four stress-tolerant wild-tomato accessions by using multiplex CRISPR–Cas9 editing of coding sequences, cis- regulatory regions or upstream open reading frames of genes associated with morphology, flower and fruit production, and ascorbic acid synthesis. Cas9-free progeny of edited plants had domesticated phenotypes yet retained parental disease resistance and salt tolerance. |
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