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| Open AccessHealthy ageing of cloned sheep
Since the birth of the first cloned animal, Dolly the sheep, concerns have been raised about potential long-term health consequences of cloning. Here the authors report on a cohort of 13 aged cloned sheep, including four created from the same cells as Dolly, and find they are healthy and seem to age normally.
- K. D. Sinclair
- , S. A. Corr
- & D. S. Gardner
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Article
| Open AccessCas9-Assisted Targeting of CHromosome segments CATCH enables one-step targeted cloning of large gene clusters
Genomic engineering often requires the cloning of long DNA segments that contain large gene clusters. Here, the authors describe an RNA-guided Cas9 nuclease assistedin vitrotechnique that allows the targeted cloning of near-arbitrary, long bacterial genomic sequences of up to 100 kb in a single step.
- Wenjun Jiang
- , Xuejin Zhao
- & Ting F. Zhu