
Summary
Extracellular signal proteins induce the homeotic gene labial (lab) to high levels of localised expression in the endoderm of Drosophila embryos. We aimed to identify cis-regulatory elements within the lab gene that respond to this induction by analysing the activity of stably integrated reporter gene constructs. Dissection of lab 5′ flanking sequences reveals two types of response elements. One of these mediates lab dependent activity, providing evidence that lab induction in the endoderm is autoregulatory. The other element, to a large extent independent of lab function, responds to decapentaplegic (dpp), a signal molecule related to mammalian TGF-beta. Our evidence suggests that lab induction in the endoderm reflects coordinate action of two distinct factors one of which may be lab protein itself, and another whose localised activity or expression in the midgut depends on the dpp signal.
REFERENCES
- Akam M.
- Attisano L.,
- Wrana J. L.,
- Cheifetz S.,
- Massagué J.
- Baker N.
- Bienz M.,
- Saari G.,
- Tremml G.,
- Müller J.,
- Züst B.,
- Lawrence P. A.
- Bienz M.,
- Tremml G.
- Cabrera C. V.,
- Alonso M. C.,
- Johnston P.,
- Phillips R. G.,
- Lawrence P. A.
- Campos-Ortega J. A.,
- Hartenstein V.
- Casanova J.,
- Sánchez-Herrero E.,
- Busturia A.,
- Morata G.
- Chan L.-N.,
- Gehring W. J.
- Cho K. W. Y.,
- Blumberg B.,
- Steinbeisser H.,
- De Robertis E. M.
- Chouinard S.,
- Kaufman T. C.
- Diederich R. J.,
- Merrill V. K. L.,
- Pultz M. A.,
- Kaufman T. C.
- Driever W.,
- Thoma G.,
- Nüsslein-Volhard C.
- Harding K.,
- Levine M.
- Hartenstein V.,
- Technau G. M.,
- Campos-Ortega J. A.
- Hiromi Y.,
- Gehring W. J.
- Hooper J. E.
- Immerglück K.,
- Lawrence P. A.,
- Bienz M.
- Irish V. F.,
- Martinez-Arias A.,
- Akam M.
- Kim S.-J.,
- Angel P.,
- Lafyatis R.,
- Hattori K.,
- Kim K. Y.,
- Sporn M. B.,
- Karin M.,
- Roberts A. B.
- Kramer I. M.,
- Koornneef I.,
- de Laat S. W.,
- van den Eijnden-van Raaij A. J. M.
- Lewis E. B.
- Lewis E. B.
- Lin H. Y.,
- Wang X.-F.,
- Ng-Eaton E.,
- Weinberg R. A.,
- Lodish H. F.
- Martinez-Arias A.,
- Lawrence P. A.
- Massagué J.
- Mathews L. S.,
- Vale W. W.
- Mlodzik M.,
- Fjose A.,
- Gehring W. J.
- Morata G.,
- García-Bellido A.
- Nüsslein-Volhard C.,
- Wieschaus E.
- Padgett R. W.,
- St. Johnston R. D.,
- Gelbart W. M.
- Panganiban G. E. F.,
- Reuter R.,
- Scott M. P.,
- Hoffmann F. M.
- Perkins K. K.,
- Admon A.,
- Patel N.,
- Tjian R.
- Demerec M.
- Poulson D. F.
- Qian S.,
- Capovilla M.,
- Pirotta V.
- Reinitz J.,
- Levine M.
- Reuter R.,
- Panganiban G. E. F.,
- Hoffmann F. M.,
- Scott M. P.
- Rijsewijk F.,
- Schuerman M.,
- Wagenaar E.,
- Parren P.,
- Weigel D.,
- Nusse R.
- Rosa F. M.
- Rossi P.,
- Karsenty G.,
- Roberts A. B.,
- Roche N. S.,
- Sporn M. B.,
- de Crombrugghe B.
- Ruiz i Altaba A.,
- Melton B. A.
- St. Johnston R. D.,
- Hoffmann F. M.,
- Blackman R. K.,
- Segal D.,
- Grimaila R.,
- Padgett R. W.,
- Irick H. A.,
- Gelbart W. M.
- Struhl G.,
- Struhl K.,
- Macdonald P. M.
- Taira M.,
- Jamrich M.,
- Good P. J.,
- Dawid I. B.
- Teugels E.,
- Ghysen A.
- Tremml G.,
- Bienz M.
- Tremml G.,
- Bienz M.
- Wakimoto B. T.,
- Kaufman T. C.
- White R. A. H.,
- Lehmann R.
- Zhang C.-C.,
- Bienz M.
- Zhang C.-C.,
- Müller J.,
- Hoch M.,
- Jäckle H.,
- Bienz M.
Please log in to add an alert for this article.
Article navigation
Related articles
Cited by...
More in this TOC section
Similar articles
Other journals from The Company of Biologists
The people behind the papers – George Britton and Aryeh Warmflash
First author George Britton and his supervisor Aryeh Warmflash discuss their new Development paper in which they apply advanced in vitro culturing techniques to investigate embryonic ectoderm patterning.
Travelling Fellowship – New imaging approach unveils a bigger picture
Find out how Pamela Imperadore’s Travelling Fellowship grant from The Company of Biologists took her to Germany, where she used new imaging techniques to investigate the cellular machinery underlying octopus arm regeneration. Don’t miss the next application deadline for 2020 travel, coming up on 29 November. Where will your research take you?
Protein function can be controlled by light using optogenetic techniques. In their new Primer, Stefano De Renzis and his colleagues in Heidelberg provide an overview of the most commonly used optogenetic tools and their application in developmental biology.
preLights – Self-organised symmetry breaking in zebrafish reveals feedback from morphogenesis to pattern formation
preLighter Sundar Naganathan explains his selected preprint by Vikas Trivedi, Benjamin Steventon and their co-workers on pescoids, a new in vitro model system to study early zebrafish embryogenesis.
Spotlight – Can laboratory model systems instruct human limb regeneration?
One of the most challenging objectives of tissue regeneration research is regrowth of a lost or amputated limb. Here, Ben Cox, Maximina Yun and Kenneth Poss outline the research avenues yet to be explored to move closer to this capstone achievement.
Articles of interest in our sister journals
Tox4 modulates cell fate reprogramming
Lotte Vanheer, Juan Song, Natalie De Geest, Adrian Janiszewski, Irene Talon, Caterina Provenzano, Taeho Oh, Joel Chappell, Vincent Pasque
Journal of Cell Science
Drosophila melanogaster: a simple system for understanding complexity
Stephanie E. Mohr, Norbert Perrimon
Disease Models & Mechanisms