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Rab17 and rab18, small GTPases with specificity for polarized epithelial cells: genetic mapping in the mouse
E B McMurtrie1, M D Barbosa, M Zerial
1Department of Medicine, University of Florida, Gainesville, Florida, 32610-0221, USA.
Genomics
|February 12, 1998
Abstract:
The Rab subfamily of small GTPases plays an important role in the regulation of membrane traffic in eukaryotic cells. While most Rab proteins are equally expressed in polarized and nonpolarized cells, Rab17 and Rab18 show epithelial cell specificity. Here we report the genetic mapping of Rab17 and Rab18 on mouse chromosomes 1 and 18, respectively. We also discuss some implications of Rab17 and Rab18 mapping, including their candidacy for the mouse mutations ln (leaden), Tw (twirler), and ax (ataxia).