期刊
METHODS
卷 66, 期 3, 页码 422-432出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ymeth.2013.06.028
关键词
Xenopus; Transgenesis; Wnt signaling; Xenopus husbandry; Fluorescent reporters; Transcriptional regulation
资金
- Research Foundation-Flanders
- Interuniversity Attraction Poles [IAP7/07]
- Belgian Association against Cancer
- Concerted Research Actions (GOA) of Ghent University
Embryos and larvae of vertebrate species with external development are ideal subjects for investigating the dynamic spatiotemporal activity of developmental signaling pathways. The availability of efficient transgene technologies in Xeno pus and zebrafish and the translucency and/or transparency of their embryos and larvae make these two species attractive for direct in vivo imaging of reporter gene expression. In this article we describe the design of efficient signaling reporters, using the Wnt/beta-catenin pathway as a representative example. We define methods for validating the reporter constructs and describe how they can be used to generate stable transgenic lines in Xenopus. We provide efficient methods used in our laboratory for raising the tadpoles and froglets rapidly to sexual maturity. We further discuss how the reporter lines can be used for delineating the dynamic activity of a signaling pathway and how modulators of the pathway can be scrutinized via chemical intervention and the micro-injection of synthetic RNAs or morpholinos. The strategic outline discussed in this paper provides a template for studying other developmental signaling pathways in Xenopus. (C) 2013 Elsevier Inc. All rights reserved.
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