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Eukaryotic Cell, October 2006, p. 1820-1825, Vol. 5, No. 10
1535-9778/06/$08.00+0     doi:10.1128/EC.00077-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

A Putative Ariadne-Like Ubiquitin Ligase Is Required for Dictyostelium discoideum Development

Nathaniel Whitney,1 Lacey J. Pearson,1 Ryan Lunsford,1 Lisa McGill,1 Richard H. Gomer,2 and David F. Lindsey1*

Department of Biological Sciences, Walla Walla College, College Place, Washington 99324,1 Howard Hughes Medical Institute, Department of Biochemistry and Cell Biology, Rice University, Houston, Texas 770052

Received 16 March 2006/ Accepted 6 August 2006

The Dictyostelium rbrA gene encodes a putative Ariadne ubiquitin ligase. rbrA– cells form defective slugs that cannot phototax. Prestalk cell numbers are reduced in rbrA– slugs, and these prestalk cells do not localize to the tip of slugs. Chimeric slugs containing wild-type cells could phototax and form fruiting bodies.

* Corresponding author. Mailing address: Department of Biological Sciences, Walla Walla College, 204 S. College Ave., College Place, WA 99324. Phone: (509) 527-2642. Fax: (509) 527-2253. E-mail: lindda{at}wwc.edu.

Eukaryotic Cell, October 2006, p. 1820-1825, Vol. 5, No. 10
1535-9778/06/$08.00+0     doi:10.1128/EC.00077-06
Copyright © 2006, American Society for Microbiology. All Rights Reserved.





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