Generation of RAG 1-and 2-deficient rabbits by embryo microinjection of TALENs
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Dear Editor,
The traditional approach for the generation of genetargeted animals is homologous recombination (HR) conducted in embryonic stem (ES) cells followed by chimera technology,such as in mice and rats,or HR in somatic cells combined with nuclear transfer in those animals in which germline-competent ES cells are not available,such as pigs,sheep,goats,and cattle.However,no germline-competent rabbit ES cells are yet available.Furthermore,the efficiency of rabbit cloning is so low that no gene-targeted rabbits have been produced thus far by somatic cell nuclear transfer approaches.Over the past several years,zinc-finger nucleases (ZFNs) technology has been employed to produce gene knockout (KO) animals,such as rats [1],pigs [2],and rabbits [3].
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grants from the Ministry of Science and Technology National Basic Research Program of China973 program2011CB944203;"Strategic Priority Research Program" of the Chinese Academy of SciencesXDA01020107;the National Natural Science Foundation of China31071293;National Science and Technology Major Project2009ZX10004-405;Science and Technology Planning Project of Guangdong Province,China2011A060901019;Innovative Research Team in UniversityIRT1248