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Comparative Study
. 1993 Aug 15;90(16):7628-31.
doi: 10.1073/pnas.90.16.7628.

Six members of the mouse forkhead gene family are developmentally regulated

K H Kaestner  1 , K H Lee, J Schlöndorff, H Hiemisch, A P Monaghan, G Schütz
Affiliations
Comparative Study

Six members of the mouse forkhead gene family are developmentally regulated

K H Kaestner et al. Proc Natl Acad Sci U S A. .

Abstract

The 110-aa forkhead domain defines a class of transcription factors that have been shown to be developmentally regulated in Drosophila melanogaster and Xenopus laevis. The forkhead domain is necessary and sufficient for target DNA binding as shown for the rat hepatic nuclear factor 3 (HNF3) gene family. We have cloned six forkhead gene family members from a mouse genomic library in addition to the mouse equivalents of the genes for HNF3 alpha, -beta, and -gamma. The six genes, termed fkh-1 to fkh-6, share a high degree of similarity with the Drosophila forkhead gene, having 57-67% amino acid identity within the forkhead domain. fkh-1 seems to be the mammalian homologue of the Drosophila FD1 gene, as the sequences are 86% identical. fkh-1 to fkh-6 show distinct spatial patterns of expression in adult tissues and are expressed during embryogenesis.

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