Tol2-mediated transgenesis in tilapia (Oreochromis niloticus).

Tol2-mediated transgenesis in tilapia (Oreochromis niloticus).
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罗非鱼(Oreochromis niloticus)中的TOL2介导的转基因。

DOI:
10.1016/j.aquaculture.2011.07.021
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发表时间:
2011-10-01
期刊:
影响因子:
4.5
通讯作者:
Kocher, Thomas D.
Kocher, Thomas D.
中科院分区:
农林科学1区
文献类型:
--
作者:
Fujimura, Koji;Kocher, Thomas D.

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尼罗罗非鱼(Oreochromis niloticus)是水产养殖中的重要物种,也是实验室研究的优秀模型系统。使用该物种进行功能遗传分析一直很困难,因为现有的转基因方法效率低下。在这里,我们展示了 Tol2 转座子系统可用于高效培育转基因罗非鱼。我们构建了一个在非洲爪蟾延伸因子 1α (EF1α) 启动子控制下的 GFP 转基因品系。 Tol2构建体对第一代的种系传递率约为30%,远高于传统方法。 GFP 表达在胚胎中很强且普遍存在。应用 Tol2 系统在罗非鱼和相关物种中构建转基因将促进许多领域的研究,但对于东非丽鱼科鱼类的进化发育生物学研究尤其有用。
The Nile tilapia (Oreochromis niloticus) is an important species in aquaculture and an excellent model system for laboratory studies. Functional genetic analysis using this species has been difficult because existing methods for producing transgenics are inefficient. Here we show that the Tol2 transposon system can be used to create transgenic tilapia with high efficiency. We constructed a line that is transgenic for GFP under control of a Xenopus elongation factor 1α (EF1α) promoter. The germline transmission rate of the Tol2 construct to the first generation was about 30%, which is much higher than conventional methods. GFP expression was strong and ubiquitous in the embryos. Application of the Tol2 system for constructing transgenics in tilapia and related species will promote research in many areas, but will be especially useful for studies of evolutionary developmental biology in the cichlid fishes of East Africa.
DOI: 10.1093/molbev/msi159
发表时间: 2005-08-01
影响因子: 10.7
作者:
Kijimoto, T;Watanabe, M;Okada, N
通讯作者: Okada, N
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发表时间: 2006-09-01
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