---
_id: '10826'
abstract:
- lang: eng
text: Animals that lose one sensory modality often show augmented responses to other
sensory inputs. The mechanisms underpinning this cross-modal plasticity are poorly
understood. We probe such mechanisms by performing a forward genetic screen for
mutants with enhanced O2 perception in Caenorhabditis elegans. Multiple mutants
exhibiting increased O2 responsiveness concomitantly show defects in other sensory
responses. One mutant, qui-1, defective in a conserved NACHT/WD40 protein, abolishes
pheromone-evoked Ca2+ responses in the ADL pheromone-sensing neurons. At the same
time, ADL responsiveness to pre-synaptic input from O2-sensing neurons is heightened
in qui-1, and other sensory defective mutants, resulting in enhanced neurosecretion
although not increased Ca2+ responses. Expressing qui-1 selectively in ADL rescues
both the qui-1 ADL neurosecretory phenotype and enhanced escape from 21% O2. Profiling
ADL neurons in qui-1 mutants highlights extensive changes in gene expression,
notably of many neuropeptide receptors. We show that elevated ADL expression of
the conserved neuropeptide receptor NPR-22 is necessary for enhanced ADL neurosecretion
in qui-1 mutants, and is sufficient to confer increased ADL neurosecretion in
control animals. Sensory loss can thus confer cross-modal plasticity by changing
the peptidergic connectome.
acknowledged_ssus:
- _id: Bio
- _id: LifeSc
- _id: ScienComp
acknowledgement: "We would like to thank Gemma Chandratillake and Merav Cohen for
identifying mutants and José David Moñino Sánchez for his help on neurosecretion
assays. We are grateful to Kaveh Ashrafi (UCSF), Piali Sengupta (Brandeis), and
the Caenorhabditis Genetic Center (funded by National Institutes of Health Infrastructure
Program P40 OD010440) for strains and reagents ... and Rebecca Butcher (Univ. Florida)
for C9 pheromone. We thank Tim Stevens, Paula Freire-Pritchett, Alastair Crisp,
GurpreetGhattaoraya, and Fabian Amman for help with bioinformatic analysis, Ekaterina
Lashmanova for help with injections, Iris Hardege for strains, and Isabel Beets
(KU Leuven) and members of the de Bono Lab for comments on the manuscript. We thank
the CRUK Cambridge Research Institute Genomics Core for next generation sequencing
and the Flow Cytometry Facility at LMB for FACS. This research was supported by
the Scientific Service Units (SSU) of IST Austria through resources provided by
the Bioimaging Facility (BIF), the Life Science Facility (LSF) and Scientific Computing
(SciCo-p– Bioinformatics).\r\nThis work was supported by the Medical Research Council
UK (Studentship to GV), an\r\nAdvanced ERC grant (269,058 ACMO to MdB), and a Wellcome
Investigator Award (209504/Z/17/Z to MdB)."
article_number: e68040
article_processing_charge: No
article_type: original
author:
- first_name: Giulio
full_name: Valperga, Giulio
id: 67F289DE-0D8F-11EA-9BDD-54AE3DDC885E
last_name: Valperga
orcid: 0000-0001-6726-3890
- first_name: Mario
full_name: De Bono, Mario
id: 4E3FF80E-F248-11E8-B48F-1D18A9856A87
last_name: De Bono
orcid: 0000-0001-8347-0443
citation:
ama: Valperga G, de Bono M. Impairing one sensory modality enhances another by reconfiguring
peptidergic signalling in Caenorhabditis elegans. eLife. 2022;11. doi:10.7554/eLife.68040
apa: Valperga, G., & de Bono, M. (2022). Impairing one sensory modality enhances
another by reconfiguring peptidergic signalling in Caenorhabditis elegans. ELife.
eLife Sciences Publications. https://doi.org/10.7554/eLife.68040
chicago: Valperga, Giulio, and Mario de Bono. “Impairing One Sensory Modality Enhances
Another by Reconfiguring Peptidergic Signalling in Caenorhabditis Elegans.” ELife.
eLife Sciences Publications, 2022. https://doi.org/10.7554/eLife.68040.
ieee: G. Valperga and M. de Bono, “Impairing one sensory modality enhances another
by reconfiguring peptidergic signalling in Caenorhabditis elegans,” eLife,
vol. 11. eLife Sciences Publications, 2022.
ista: Valperga G, de Bono M. 2022. Impairing one sensory modality enhances another
by reconfiguring peptidergic signalling in Caenorhabditis elegans. eLife. 11,
e68040.
mla: Valperga, Giulio, and Mario de Bono. “Impairing One Sensory Modality Enhances
Another by Reconfiguring Peptidergic Signalling in Caenorhabditis Elegans.” ELife,
vol. 11, e68040, eLife Sciences Publications, 2022, doi:10.7554/eLife.68040.
short: G. Valperga, M. de Bono, ELife 11 (2022).
corr_author: '1'
date_created: 2022-03-06T23:01:52Z
date_published: 2022-02-24T00:00:00Z
date_updated: 2026-04-02T12:45:39Z
day: '24'
ddc:
- '570'
department:
- _id: MaDe
doi: 10.7554/eLife.68040
external_id:
isi:
- '000763432300001'
pmid:
- '35201977'
file:
- access_level: open_access
checksum: cc1b9bf866d0f61f965556e0dd03d3ac
content_type: application/pdf
creator: dernst
date_created: 2022-03-07T07:39:25Z
date_updated: 2022-03-07T07:39:25Z
file_id: '10830'
file_name: 2022_eLife_Valperga.pdf
file_size: 4095591
relation: main_file
success: 1
file_date_updated: 2022-03-07T07:39:25Z
has_accepted_license: '1'
intvolume: ' 11'
isi: 1
language:
- iso: eng
month: '02'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 23870BE8-32DE-11EA-91FC-C7463DDC885E
grant_number: 209504/A/17/Z
name: Molecular mechanisms of neural circuit function
publication: eLife
publication_identifier:
eissn:
- 2050-084X
publication_status: published
publisher: eLife Sciences Publications
quality_controlled: '1'
scopus_import: '1'
status: public
title: Impairing one sensory modality enhances another by reconfiguring peptidergic
signalling in Caenorhabditis elegans
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 11
year: '2022'
...