期刊
JOURNAL OF GENETICS AND GENOMICS
卷 39, 期 5, 页码 209-215出版社
SCIENCE PRESS
DOI: 10.1016/j.jgg.2012.04.003
关键词
TALEN; Drosophila; Genomic modification; Unit assembly; Reverse genetics
资金
- 973 Program [2009CB918702, 2012CB945101]
- NSFC [31071087, 31100889]
- NIH [R01GM072562]
- National Science Foundation of USA [1052333]
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [1052333] Funding Source: National Science Foundation
Technology development has always been one of the forces driving breakthroughs in biomedical research. Since the time of Thomas Morgan, Drosophilists have, step by step, developed powerful genetic tools for manipulating and functionally dissecting the Drosophila genome, but room for improving these technologies and developing new techniques is still large, especially today as biologists start to study systematically the functional genomics of different model organisms, including humans, in a high-throughput manner. Here, we report, for the first time in Drosophila, a rapid, easy, and highly specific method for modifying the Drosophila genome at a very high efficiency by means of an improved transcription activator-like effector nuclease (TALEN) strategy. We took advantage of the very recently developed unit assembly strategy to assemble two pairs of specific TALENs designed to modify the yellow gene (on the sex chromosome) and a novel autosomal gene. The mRNAs of TALENs were subsequently injected into Drosophila embryos. From 31.2% of the injected F-0 fertile flies, we detected inheritable modification involving the yellow gene. The entire process from construction of specific TALENs to detection of inheritable modifications can be accomplished within one month. The potential applications of this TALEN-mediated genome modification method in Drosophila are discussed.
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