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SUP-17, a Caenorhabditis elegans ADAM protein related to Drosophila KUZBANIAN, and its role in LIN-12/NOTCH signalling

Wen, Chenhui, Metzstein, Mark M., Greenwald, Iva·1997·Development

Abstract

LIN-12/NOTCH proteins mediate cell-cell interactions that specify cell fates. Previous work suggested that sup-17 facilitates lin-12 signalling in Caenorhabditis elegans. Here, we show that sup-17 encodes a member of the ADAM family of metalloproteases. SUP-17 is highly similar to Drosophila KUZBANIAN, which functions in Drosophila neurogenesis, and the vertebrate ADAM10 protein. Furthermore, we show by genetic analysis that the extracellular domain of LIN-12 appears to be necessary for sup-17 to facilitate lin-12 signalling and that sup-17 does not act downstream of lin-12. Finally, we show by cell ablation experiments that sup-17 can act cell autonomously to facilitate lin-12 activity. We discuss the implications of our observations for LIN-12/NOTCH signalling and how our results complement and extend results obtained from genetic analysis of kuz in Drosophila.

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Authors
Wen, C., Metzstein, M. M., & Greenwald, I.
Venue
Development
Published
1997-12-01
Volume
124
Issue
23
Pages
4759-4767
ISSN
  • 0950-1991 (ISSN-L)
  • 1477-9129
OpenAlex
W2182022331
Cited by
160
References
0
FWCI
4.50
Type
journal article
Language
en
Open access
closed

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