Cited by 63RNA Interference and Gene DeliveryInvertebrate Immune Response MechanismsMicroRNA in disease regulation

Genes misregulated in C. elegans deficient in Dicer, RDE-4, or RDE-1 are enriched for innate immunity genes

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Welker, Noah C., Habig, Jeffrey W., Bass, Brenda L.·2007·RNA

Abstract

We describe the first microarray analysis of a whole animal containing a mutation in the Dicer gene. We used adult Caenorhabditis elegans and, to distinguish among different roles of Dicer, we also performed microarray analyses of animals with mutations in rde-4 and rde-1, which are involved in silencing by siRNA, but not miRNA. Surprisingly, we find that the X chromosome is greatly enriched for genes regulated by Dicer. Comparison of all three microarray data sets indicates the majority of Dicer-regulated genes are not dependent on RDE-4 or RDE-1, including the X-linked genes. However, all three data sets are enriched in genes important for innate immunity and, specifically, show increased expression of innate immunity genes.

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  • About 30% of proteins that increase more than twofold between day 6 and day 22 have elevated transcript levels in dicer mutants, and this rises to nearly 40% for proteins with more than fourfold change.

    “We find that ~30% of proteins that increased more than 2-fold between day 6 and 22 (99 of 357 proteins), i.e. after the worms have reproduced, have significantly elevated transcript levels in dicer mutants, and this proportion increases to nearly 40% for the subset of proteins with a more than 4-fold abundance change (50 out of 133 proteins) (Figure S1D).”

    From Widespread Proteome Remodeling and Aggregation in Aging C. elegans (2015) · cites this paper as Welker et al., 2007

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Authors
Welker, N. C., Habig, J. W., & Bass, B. L.
Affiliations
Howard Hughes Medical Institute (US)
Venue
RNA
Published
2007-05-25
Volume
13
Issue
7
Pages
1090-1102
ISSN
  • 1355-8382 (ISSN-L)
  • 1469-9001
OpenAlex
W2110351288
Cited by
63
References
59
Citations by year
2026: 2 · 2024: 4 · 2023: 2 · 2021: 4 · 2018: 2 · 2017: 4 · 2016: 3 · 2015: 3 · 2014: 3 · 2013: 7 · 2012: 7
FWCI
2.12
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • RNA (publishedVersion, other-oa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
  • National Institutes of Health
  • National Institute of General Medical Sciences (GM067106, R01GM067106)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA Interference and Gene Delivery
  • Life Sciences › Immunology and Microbiology › Immunology › Invertebrate Immune Response Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
Keywords
Dicer, Caenorhabditis elegans, RNA interference, siRNA, microRNA, innate immunity genes, X chromosome, gene expression profiling, RNA silencing, gene expression regulation
MeSH terms
Animals, Gene Expression Regulation, Immunity, Innate, X Chromosome, RNA-Binding Proteins, Caenorhabditis elegans, Gene Deletion, Oligonucleotide Array Sequence Analysis, Caenorhabditis elegans Proteins, Animals, Genetically Modified, RNA, Small Interfering, MicroRNAs, Ribonuclease III

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