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Cloning of the homeotic Sex combs reduced gene in Drosophila and in situ localization of its transcripts

Kuroiwa, A. and Kloter, U. and Baumgartner, P. and Gehring, W. J.. (1985) Cloning of the homeotic Sex combs reduced gene in Drosophila and in situ localization of its transcripts. The EMBO journal, Vol. 4, H. 13b. S. 3757-3764.

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Official URL: http://edoc.unibas.ch/dok/A5257342

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Abstract

We have extended our ;chromosomal walk' in the Antennapedia-complex (ANT-C) by isolating overlapping DNA sequences spanning the chromosomal segment between Antennapedia (Antp) and Deformed (Dfd). The transcription units, homeoboxes and M-repeats were mapped within this region. Four transcription units Antp, fushi tarazu (ftz), Sex combs reduced (Scr) and Dfd contain both a homeobox and an M repeat, whereas at least two additional transcription units, x and z, were found to lack these elements. The Scr locus was identified by deletion mapping. It consists of at least two exonic regions separated by a large intron. The homeobox is located in the 3' exon and is 82% homologous to the one in Antp. Scr encodes a major 3.9-kb RNA. A corresponding cDNA clone was used as a probe for in situ hybridization to sections of various embryonic stages. At gastrula stages Scr transcripts accumulate in the posterior head and the anterior thoracic region of the germ band. At later stages a strong accumulation of transcripts is observed in the suboesophageal and the prothoracic ganglion of the ventral nervous system.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Former Organization Units Biozentrum > Cell Biology (Gehring)
UniBasel Contributors:Gehring, Walter Jakob
Item Type:Article, refereed
Bibsysno:Link to catalogue
Publisher:Nature Publishing Group
ISSN:0261-4189
Note:Publication type according to Uni Basel Research Database: Journal article
Last Modified:22 Mar 2012 14:19
Deposited On:22 Mar 2012 13:17

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