spe-4

 back to map


Genetic Position  I 2.04
Physical Location ZK524
Sequence

Genomic DNA: Genbank Accession Z14067

mRNA: Genbank Accession Z14066

Protein: Accession 401112

Cloned By L'Hernault Lab
Homologies presenilin family of proteins associated with familial early onset Alzheimers disease (human S182 and C. elegans SEL-12)
Mutant Alleles

hc78 , hc81 , q347 (deletion null)

Strains available from CGC

Effect of Mutations Hermaphrodites and males produce primary spermatocytes that contain four haploid nuclei; males retain these spermatocytes while hermaphrodites resorb them when oogenesis begins; fibrous body-membranous organelle formation disrupted.
References

L'Hernault SW and PM Arduengo Mutation of a putative sperm membrane protein in Caenorhabditis elegans prevents sperm differentiation but not its associated meiotic divisions. J Cell Biol. 1992 Oct 1; 119 (1): 55-68.

 

ACEDB/WormPD ACEDB data
WormPD data

  
http://www.mcb.arizona.edu/wardlab/spegenes/spe4.html
All Contents Copyright © 2000. All rights reserved.
Last Modified: July 12, 2000
Paul Muhlrad
pmuhlrad@u.arizona.edu