Development of newt molecular genetic systems

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An experimental model system for molecular genetics in newts is necessary to clarify the mechanisms of regeneration from the perspective of gene functions. We have introduced Iberian ribbed newt (Pleurodeles waltl) as the suitable model newts. In the results of our researches, we have been able to shorten the periods for sexual maturation, and are developing 2 inbred and various transgenic lines of P. waltl newts. We also demonstrated that Cre-loxP recombination system efficiently worked in the newts. In addition, we achieved targeted gene knockout in the newt using TALENs. These results show that conditional knockout newts would be available by combination of Cre-loxP recombination and TALENs. Our system would be very powerful for studying the molecular mechanisms of not only regeneration but also various researches. In relation to the result of this research, we published total 12 research and review papers, also our group had 29 conference presentations.