Polarity Determination in the Drosophila Eye: A Novel Role for Unpaired and JAK/STAT Signaling
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Zeidler, Martin P.
Strutt, David I.
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CitationZeidler, Martin P., Norbert Perrimon, David I. Strutt. "Polarity Determination in the Drosophila Eye: A Novel Role for Unpaired and JAK/STAT Signaling." Genes & Development 13, no. 10 (1999): 1342-1353. DOI: 10.1101/gad.13.10.1342
AbstractThe JAK/STAT signaling pathway is required for many processes including cytokine signaling, hematopoiesis, gliagenesis, and Drosophila segmentation. In this report we present evidence demonstrating that the JAK/STAT pathway is also central to the establishment of planar polarity during Drosophila eye development. We show that a localized source of the pathway ligand, Unpaired, is present at the midline of the developing eye, which is capable of activating the JAK/STAT pathway over long distances. A gradient of JAK/STAT activity across the DV axis of the eye regulates ommatidial polarity via an unidentified second signal. Additionally, localized Unpaired influences the position of the equator via repression of mirror.
Citable link to this pagehttps://nrs.harvard.edu/URN-3:HUL.INSTREPOS:37368809
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