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PMID:9473333

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Citation

Colavita, A and Culotti, JG (1998) Suppressors of ectopic UNC-5 growth cone steering identify eight genes involved in axon guidance in Caenorhabditis elegans. Dev. Biol. 194:72-85

Abstract

The UNC-5 guidance receptor, in response to the UNC-6/netrin path cue, orients growing axons in a dorsal direction along the epidermis of Caenorhabditis elegans. When ectopically expressed in the touch neurons, which normally extend ventrally or longitudinally, UNC-5 is able to reorient their axons toward the dorsal side in an UNC-6-dependent manner. This forms the basis of a genetic screen to identify other mutations that, like unc-6 mutations, suppress unc-5-induced growth cone guidance. These mutations may identify new components required for pioneer axon guidance by unc-5. In this paper, we describe eight genes that are required for ectopic unc-5-induced growth cone steering. Mutations in four of these identify the previously known axon guidance genes unc-6, unc-40, unc-34, and unc-44 and mutations in four others identify the novel genes unc-129, seu-1, seu-2, and seu-3. Several of these mutations cause axon guidance defects similar to those found in unc-5 mutants. We propose that some or all of these genes may function in a developmentally important unc-5 signaling pathway.

Links

PubMed Online version:10.1006/dbio.1997.8790

Keywords

Animals; Ankyrins/physiology; Axons/physiology; Caenorhabditis elegans/genetics; Caenorhabditis elegans/physiology; Caenorhabditis elegans Proteins; Cytoskeleton/physiology; Genes, Helminth; Helminth Proteins/physiology; Membrane Proteins/physiology; Mutation; Receptors, Cell Surface; Receptors, Growth Factor/physiology

Significance

Annotations

Gene product Qualifier GO Term Evidence Code with/from Aspect Extension Notes Status

CAEEL:A9D2P7

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:A9D2P7

involved_in

GO:0040011: locomotion

ECO:0000315: mutant phenotype evidence used in manual assertion

P

Seeded From UniProt

complete

CAEEL:UN129

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00145247

P

Seeded From UniProt

complete

CAEEL:UN129

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:UN129

involved_in

GO:0040011: locomotion

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00145247

P

Seeded From UniProt

complete

CAEEL:UN129

involved_in

GO:0008045: motor neuron axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00145247

P

Seeded From UniProt

complete

CAEEL:UN129

involved_in

GO:0043057: backward locomotion

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00145247

P

Seeded From UniProt

complete

CAEEL:G5ECZ1

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:UNC40

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00144001

P

Seeded From UniProt

complete

CAEEL:UNC40

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:UNC40

involved_in

GO:0008045: motor neuron axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00144001

P

Seeded From UniProt

complete

CAEEL:G5EG53

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00145246

P

Seeded From UniProt

complete

CAEEL:G5EG53

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:G5EG53

involved_in

GO:0008045: motor neuron axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00145246

P

Seeded From UniProt

complete

CAEEL:H2L0C7

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00145246

P

Seeded From UniProt

complete

CAEEL:H2L0C7

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:H2L0C7

involved_in

GO:0008045: motor neuron axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00145246

P

Seeded From UniProt

complete

CAEEL:H2L0L8

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:H2L0L8

involved_in

GO:0040011: locomotion

ECO:0000315: mutant phenotype evidence used in manual assertion

P

Seeded From UniProt

complete

CAEEL:H2L0L9

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:H2L0L9

involved_in

GO:0040011: locomotion

ECO:0000315: mutant phenotype evidence used in manual assertion

P

Seeded From UniProt

complete

CAEEL:UNC6

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00145224

P

Seeded From UniProt

complete

CAEEL:UNC6

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:UNC6

involved_in

GO:0008045: motor neuron axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00145224

P

Seeded From UniProt

complete

CAEEL:Q17489

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:Q17490

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:UNC5

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00142936

P

Seeded From UniProt

complete

CAEEL:UNC5

involved_in

GO:0008045: motor neuron axon guidance

ECO:0000315: mutant phenotype evidence used in manual assertion

WB:WBVar00142936

P

Seeded From UniProt

complete

CAEEL:Q5TYL5

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:Q5TYL6

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:Q8IU02

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete

CAEEL:Q8IU02

involved_in

GO:0040011: locomotion

ECO:0000315: mutant phenotype evidence used in manual assertion

P

Seeded From UniProt

complete

CAEEL:Q8MQG0

involved_in

GO:0033563: dorsal/ventral axon guidance

ECO:0000316: genetic interaction evidence used in manual assertion

WB:WBGene00006745

P

Seeded From UniProt

complete


See also

References

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