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EMBO J. 1987 Oct;6(10):2977-86.

Hox-1.6: a mouse homeo-box-containing gene member of the Hox-1 complex.

Author information

1
Laboratoire de Génétique Moléculaire des Eucaryotes du CNRS, Unité 184 de Biologie Moléculaire et de Génie Génétique de l'INSERM, Faculté de Médecine, Strasbourg, France.

Abstract

Hox-1.6, a mouse homeo-box-containing gene member of the Hox-1 complex, is described. The Hox-1.6 homeo-box shows more divergence than the other members of the complex with the Drosophila Antennapedia-like homeo-box class. This previously undescribed gene was studied with respect to its transcription pattern and was found to be expressed during mouse fetal development in an intestine-specific manner in adults, and in tumours or cell types exhibiting early endodermal-like differentiation. The study of embryonic partial Hox-1.6 cDNA clones revealed structural features common to other Drosophila and vertebrate homeo-box-containing genes, but also indicated that Hox-1.6 transcripts might display splicing patterns more complex than those known for other vertebrate homeo-genes. One of these cDNA clones contains a rather short open reading frame which would encode a protein of approximately 14.5 kd. The use of this clone as a probe for S1 nuclease mapping confirmed that different Hox-1.6 transcripts were present both in embryonic total RNA and in embryonal carcinoma cell cytoplasmic RNA. These various transcripts are probably generated by an alternative splicing mechanism and may thus encode a set of related proteins.

PMID:
2891503
PMCID:
PMC553734
[Indexed for MEDLINE]
Free PMC Article

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