Breeding based remobilization of Tol2 transposon in Xenopus tropicalis.

Breeding based remobilization of Tol2 transposon in Xenopus tropicalis.
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DOI:
10.1371/journal.pone.0076807
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发表时间:
2013
期刊:
影响因子:
3.7
通讯作者:
Khokha MK
Khokha MK
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Lane MA;Kimber M;Khokha MK

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非洲爪蟾是研究各种生物过程的有力模型。然而,尽管有多种转基因方法,可获得的和常用的转基因报告系相对较少。先前的工作已经证明,基于转座子的策略在无脊椎动物和脊椎动物系统中都能有效地产生转基因系。本研究表明,Tol2转座子可以在热带蓟基因组中重新激活,并通过表达转座子和转座子系杂交的简单育种策略在种系中传递。这种再激活系统提供了另一种利用转基因的工具,并为基因陷阱和增强子陷阱策略开辟了新的机会。
Xenopus is a powerful model for studying a diverse array of biological processes. However, despite multiple methods for transgenesis, relatively few transgenic reporter lines are available and commonly used. Previous work has demonstrated that transposon based strategies are effective for generating transgenic lines in both invertebrate and vertebrate systems. Here we show that the Tol2 transposon can be remobilized in the genome of X. tropicalis and passed through the germline via a simple breeding strategy of crossing transposase expressing and transposon lines. This remobilization system provides another tool to exploit transgenesis and opens new opportunities for gene trap and enhancer trap strategies.
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