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Rescue of the En-1 Mutant Phenotype by Replacement of En-1 with En-2

Hanks, Mark, Wurst, Wolfgang, Anson-Cartwright, Lynn, Auerbach, Anna B., Joyner, Alexandra L.·1995·Science

Abstract

The related mouse Engrailed genes En-1 and En-2 are expressed from the one- and approximately five-somite stages, respectively, in a similar presumptive mid-hindbrain domain. However, mutations in En-1 and En-2 produce different phenotypes. En-1 mutant mice die at birth with a large mid-hindbrain deletion, whereas En-2 mutants are viable, with cerebellar defects. To determine whether these contrasting phenotypes reflect differences in temporal expression or biochemical activity of the En proteins, En-1 coding sequences were replaced with En-2 sequences by gene targeting. This rescued all En-1 mutant defects, demonstrating that the difference between En-1 and En-2 stems from their divergent expression patterns.

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Metadata

Authors
Hanks, M., Wurst, W., Anson-Cartwright, L., Auerbach, A. B., & Joyner, A. L.
Venue
Science
Published
1995-08-04
Volume
269
Issue
5224
Pages
679-682
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2018834244
Cited by
398
References
0
FWCI
13.03
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Rescue of the En-1 Mutant Phenotype by Replacement of En-1 with En-2. https://app.cochat.ai/papers/10.1126/science.7624797
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Hanks, M., Wurst, W., Anson-Cartwright, L., Auerbach, A. B., & Joyner, A. L. (1995). Rescue of the En-1 Mutant Phenotype by Replacement of En-1 with En-2. Science. https://doi.org/10.1126/science.7624797

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.