Both Hoxc13 orthologs are functionally important for zebrafish tail fin regeneration |
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| Authors: | Ryan Thummel,Mila Ju,Michael P. Sarras Suffix" >Jr.,Alan R. Godwin |
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| Affiliation: | (1) Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS, USA;(2) Center for Zebrafish Research and Department of Biological Sciences, University of Notre Dame, Notre Dame, IN 46556, USA;(3) Department of Anatomy and Cell Biology, University of Kansas Medical Center, Kansas City, KS, USA;(4) Present address: Department of Cell Biology and Anatomy, Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA |
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| Abstract: | Hox genes are re-expressed during regeneration in many species. Given their important role in body plan development, it has been assumed, but not directly shown, that they play a functional role in regeneration. In this paper we show that morpholino-mediated knockdown of either Hoxc13a or Hoxc13b during the process of zebrafish tail fin regeneration results in a significant reduction of regenerative outgrowth. Furthermore, cellular proliferation within the blastema is directly affected in both knockdowns. Hence, similar to the demonstration of unique functions of multiple Hox genes during limb formation, both Hoxc13 orthologs have distinct functions in regeneration. |
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| Keywords: | Hox Regeneration Morpholino Electroporation Zebrafish |
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