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 PMID:37982457  

GRD-1/PTR-11, the C. elegans hedgehog/patched-like morphogen-receptor pair, modulates developmental rate.

Sinclair W Emans | Armen Yerevanian | Fasih M Ahsan | Jen F Rotti | Yifei Zhou | Lucydalila Cedillo | Alexander A Soukas
Development (Cambridge, England) | 2023

Both hedgehog (Hh) and target of rapamycin complex 2 (TORC2) are central, evolutionarily conserved signaling pathways that regulate development and metabolism. In C. elegans, loss of the essential TORC2 component RICTOR (rict-1) causes delayed development, shortened lifespan, reduced brood, small size and increased fat. Here, we report that knockdown of both the hedgehog-related morphogen grd-1 and its patched-related receptor ptr-11 rescues delayed development in TORC2 loss-of-function mutants, and grd-1 and ptr-11 overexpression delays wild-type development to a similar level to that in TORC2 loss-of-function animals. These findings potentially indicate an unexpected role for grd-1 and ptr-11 in slowing developmental rate downstream of a nutrient-sensing pathway. Furthermore, we implicate the chronic stress transcription factor pqm-1 as a key transcriptional effector in this slowing of whole-organism growth by grd-1 and ptr-11. We propose that TORC2, grd-1 and ptr-11 may act linearly or converge on pqm-1 to delay organismal development.

Pubmed ID: 37982457

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Antibodies used in this publication

None found

Associated grants

  • Agency: NIA NIH HHS, United States
    Id: R01 AG069677
  • Agency: NIDDK NIH HHS, United States
    Id: P30 DK040561
  • Agency: NIH HHS, United States
    Id: P40 OD010440
  • Agency: NIA NIH HHS, United States
    Id: R56 AG078384
  • Agency: NIGMS NIH HHS, United States
    Id: K12 GM106996
  • Agency: NIA NIH HHS, United States
    Id: R01AG058256
  • Agency: NIA NIH HHS, United States
    Id: R01 AG058256
  • Agency: NIDDK NIH HHS, United States
    Id: P30 DK135043
  • Agency: NIH HHS, United States
    Id: R56AG078384
  • Agency: NIA NIH HHS, United States
    Id: R01 AG69677

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This is a list of tools and resources that we have found mentioned in this publication.


Caenorhabditis Genetics Center (tool)

RRID:SCR_007341

Center that acquires, maintains, and distributes genetic stocks and information about stocks of the small free-living nematode Caenorhabditis elegans for use by investigators initiating or continuing research on this genetic model organism. A searchable strain database, general information about C. elegans, and links to key Web sites of use to scientists, including WormBase, WormAtlas, and WormBook are available.

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N2 (organism)

RRID:WB-STRAIN:WBStrain00000001

Caenorhabditis elegans with name Caenorhabditis elegans wild isolate. from WB.

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OP50-1 (organism)

RRID:WB-STRAIN:WBStrain00041971

Escherichia coli with name E. coli. from WB.

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