Hypoxia induces transgenerational epigenetic inheritance of small RNAs.
C. elegans
CP: Molecular biology
F44E5.4/5
HRDE-1
germ granule
hypoxia
small RNA
transgenerational epigenetic inheritance
Journal
Cell reports
ISSN: 2211-1247
Titre abrégé: Cell Rep
Pays: United States
ID NLM: 101573691
Informations de publication
Date de publication:
13 12 2022
13 12 2022
Historique:
received:
04
03
2022
revised:
23
09
2022
accepted:
17
11
2022
entrez:
14
12
2022
pubmed:
15
12
2022
medline:
17
12
2022
Statut:
ppublish
Résumé
Animals sense and adapt to decreased oxygen availability, but whether and how hypoxia exposure in ancestors can elicit phenotypic consequences in normoxia-reared descendants are unclear. We show that hypoxia educes an intergenerational reduction in lipids and a transgenerational reduction in fertility in the nematode Caenorhabditis elegans. The transmission of these epigenetic phenotypes is dependent on repressive histone-modifying enzymes and the argonaute HRDE-1. Feeding naive C. elegans small RNAs extracted from hypoxia-treated worms is sufficient to induce a fertility defect. Furthermore, the endogenous small interfering RNA F44E5.4/5 is upregulated intergenerationally in response to hypoxia, and soaking naive normoxia-reared C. elegans with F44E5.4/5 double-stranded RNA (dsRNA) is sufficient to induce an intergenerational fertility defect. Finally, we demonstrate that labeled F44E5.4/5 dsRNA is itself transmitted from parents to children. Our results suggest that small RNAs respond to the environment and are sufficient to transmit non-genetic information from parents to their naive children.
Identifiants
pubmed: 36516753
pii: S2211-1247(22)01688-6
doi: 10.1016/j.celrep.2022.111800
pmc: PMC9847139
mid: NIHMS1857908
pii:
doi:
Substances chimiques
Caenorhabditis elegans Proteins
0
RNA, Small Interfering
0
RNA, Double-Stranded
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
111800Subventions
Organisme : NIA NIH HHS
ID : DP2 AG055947
Pays : United States
Organisme : NIH HHS
ID : P40 OD010440
Pays : United States
Organisme : NIA NIH HHS
ID : R00 AG043550
Pays : United States
Organisme : NICHD NIH HHS
ID : T32 HD007466
Pays : United States
Informations de copyright
Copyright © 2022 The Author(s). Published by Elsevier Inc. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of interests The authors declare no competing interests.
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