Expression and nuclear translocation of the rel/NF-kappa B-related morphogen dorsal during the immune response of Drosophila

The rel/NF-kappa B-related morphogen dorsal is a maternally expressed gene which is involved in the control of the dorso-ventral axis during early embryogenesis of Drosophila. We show that this gene is also expressed in the fat body of larvae and adults of Drosophila as well as in a tumorous blood c...

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Published in:Comptes rendus de l'Academie des sciences. Serie III, Sciences de la vie, Vol. 316, No. 10 (1993), p. 1218-24
Main Author: Reichhart, J M
Other Involved Persons: Georgel, P ; Meister, M ; Lemaitre, B ; Kappler, C ; Hoffmann, J A
Format: Article
Language:English
ISSN:0764-4469
Item Description:Date Completed 22.09.1994
Date Revised 17.11.2004
published: Print
Citation Status MEDLINE
Copyright: From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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245 1 0 |a Expression and nuclear translocation of the rel/NF-kappa B-related morphogen dorsal during the immune response of Drosophila 
500 |a Date Completed 22.09.1994 
500 |a Date Revised 17.11.2004 
500 |a published: Print 
500 |a Citation Status MEDLINE 
500 |a Copyright: From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine 
520 |a The rel/NF-kappa B-related morphogen dorsal is a maternally expressed gene which is involved in the control of the dorso-ventral axis during early embryogenesis of Drosophila. We show that this gene is also expressed in the fat body of larvae and adults of Drosophila as well as in a tumorous blood cell line: its expression is noticeably enhanced upon bacterial (or lipopolysaccharide) challenge. This challenge also induces within 15-30 min a nuclear translocation of the dorsal protein. The genes encoding inducible antibacterial peptides in Drosophila contain kappa B-related nucleotide sequences and we show that the dorsal protein can bind to such motifs and sequence-specifically transactivate a reporter gene in co-transfection experiments with a Drosophila cell line. However, in dl1 mutants, in the absence of dorsal protein, the genes encoding antibacterial peptides retain their inducibility, suggesting a multifactorial control. The results indicate that in addition to its role in embryogenesis, dorsal is involved in the immune response of Drosophila. They also strengthen the analogy between the mammalian acute phase response and the insect immune response 
611 2 7 |a Journal Article  |2 gnd 
653 2 |a Animals  |6 D000818 
653 2 |a Blotting, Northern  |6 D015152 
653 2 |a Drosophila  |6 D004330  |a embryology  |6 Q000196  |a *genetics  |6 Q000235  |a immunology  |6 Q000276 
653 2 |a *Gene Expression  |6 D015870 
653 2 |a Genes, Insect  |6 D017344  |a *genetics  |6 Q000235 
653 2 |a Immunity, Cellular  |6 D007111  |a *genetics  |6 Q000235 
653 2 |a NF-kappa B  |6 D016328  |a *genetics  |6 Q000235 
653 2 |a *Translocation, Genetic  |6 D014178 
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700 1 |a Lemaitre, B 
700 1 |a Kappler, C 
700 1 |a Hoffmann, J A 
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