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Review
. 1994;94(2-3):195-202.
doi: 10.1007/BF01443433.

Amphid defective mutant of Caenorhabditis elegans

L De Riso  1 , F Ristoratore, M Sebastiano, P Bazzicalupo
Affiliations
Review

Amphid defective mutant of Caenorhabditis elegans

L De Riso et al. Genetica. 1994.

Abstract

Studies are reported on a chemoreception mutant which arose in a mutator strain. The mutant sensory neurons do not stain with fluoresceine isothiocyanate (Dyf phenotype), hence the name, dyf-1, given to the gene it identifies. The gene maps on LGI, 0.4 map units from dpy-5 on the unc-11 side. The response of mutant worms to various repellents has been studied and shown to be partially altered. Other chemoreception based behaviors are less affected. The cilia of the sensory neurons of the amphid are shorter than normal and the primary defect may be in the capacity of the sheath cells to secrete the matrix material that fills the space between cilia in the amphid channel. Progress toward the molecular cloning of the gene is also reported. Relevant results from other laboratories are briefly reviewed.

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