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.
MeSH Terms
Amino Acid Sequence
Animals
Base Sequence
Cell Line
Drosophila melanogaster/genetics
Embryo, Mammalian
Embryo, Nonmammalian
Embryonic and Fetal Development
Female
Gene Expression Regulation
Genomic Library
Male
Mice/genetics
Molecular Sequence Data
Multigene Family
Oligodeoxyribonucleotides
Organ Specificity
Polymerase Chain Reaction/methods
RNA/biosynthesis,isolation & purification
Rats
Sequence Homology, Amino Acid
Stem Cells
Transcription Factors/genetics
Transcription, Genetic
Xenopus laevis/genetics
Chemicals
Oligodeoxyribonucleotides
Transcription Factors
RNA
Authors & Affiliations
6 authors, click to expand affiliations / ORCID
Kaestner K H
Division Molecular Biology of the Cell I, German Cancer Research Center, Heidelberg.
Lee K H
Schlöndorff J
Hiemisch H
Monaghan A P
Schütz G
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