Expression of Cre Recombinase in the developing mouse limb bud driven by a Prxl enhancer

Malcolm Logan, James F. Martin, Andras Nagy, Corrinne Lobe, Eric N. Olson, Clifford J. Tabin

Research output: Contribution to journalArticle

499 Citations (Scopus)

Abstract

We have used a Prx1 limb enhancer to drive expression of Cre Recombinase in transgenic mice. This regulatory element leads to Cre expression throughout the early limb bud mesenchyme and in a subset of craniofacial mesenchyme. Crossing a murine line carrying this transgene to a reporter mouse harboring a floxed Cre-reporter cassette revealed that recombinase activity is first observed in the earliest limb bud at 9.5 dpc. By early to mid bud stages at 10.5 dpc recombination is essentially complete in all mesenchymal cells in the limb. Expression of the Cre recombinase was never detected in the limb bud ectoderm. The use of Prx1-Cre mice should facilitate analysis of gene function in the developing limb.

Original languageEnglish (US)
Pages (from-to)77-80
Number of pages4
JournalGenesis
Volume33
Issue number2
DOIs
StatePublished - 2002

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Limb Buds
Extremities
Mesoderm
Recombinases
Ectoderm
Transgenes
Transgenic Mice
Genetic Recombination
Genes
Cre recombinase

ASJC Scopus subject areas

  • Genetics

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Expression of Cre Recombinase in the developing mouse limb bud driven by a Prxl enhancer. / Logan, Malcolm; Martin, James F.; Nagy, Andras; Lobe, Corrinne; Olson, Eric N.; Tabin, Clifford J.

In: Genesis, Vol. 33, No. 2, 2002, p. 77-80.

Research output: Contribution to journalArticle

Logan, Malcolm ; Martin, James F. ; Nagy, Andras ; Lobe, Corrinne ; Olson, Eric N. ; Tabin, Clifford J. / Expression of Cre Recombinase in the developing mouse limb bud driven by a Prxl enhancer. In: Genesis. 2002 ; Vol. 33, No. 2. pp. 77-80.
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