Activity of genes with functions in human Williams-Beuren syndrome is impacted by mobile element insertions in the gray wolf genome

Bridgett M. VonHoldt, Sarah S. Ji, Matthew Aardema, Daniel R. Stahler, Monique A.R. Udell, Janet S. Sinsheimer

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In canines, transposon dynamics have been associatedwith a hyper-social behavioral syndrome, although the functional mechanism has yet to be described. We investigate the epigenetic and transcriptional consequences of these behavior-associated mobile element insertions (MEIs) in dogs and Yellowstone gray wolves. We posit that the transposons themselves may not be the causative feature; rather, their transcriptional regulation may exert the functional impact. We survey four outlier transposons associatedwith hyper-sociability, with the expectation that they are targeted for epigenetic silencing. We predict hyper-methylation of MEIs, suggestive that the epigenetic silencing of and not the MEIs themselves may be driving dysregulation of nearby genes.We found that transposon-derived sequences are significantly hyper-methylated, regardless of their copy number or species. Further, we have assessed transcriptome sequence data and found evidence that MEIs impact the expression levels of six genes (WBSCR17, LIMK1, GTF2I, WBSCR27, BAZ1B, and BCL7B), all of which have known roles in human Williams-Beuren syndrome due to changes in copy number, typically hemizygosity. Although further evidence is needed, our results suggest that a few insertions alter local expression at multiple genes, likely through a cis-regulatory mechanism that excludes proximal methylation.

Original languageEnglish
Pages (from-to)1546-1553
Number of pages8
JournalGenome Biology and Evolution
Volume10
Issue number6
DOIs
StatePublished - 1 Jun 2018

Fingerprint

Williams Syndrome
Canis lupus
Epigenomics
transposons
genome
methylation
Genome
Methylation
gene
Genes
genes
epigenetics
outlier
Transcriptome
Canidae
Dogs
gene dosage
dogs
transcriptome

Keywords

  • Canines
  • Expression
  • Hypersociability
  • Methylation
  • Transposons

Cite this

VonHoldt, Bridgett M. ; Ji, Sarah S. ; Aardema, Matthew ; Stahler, Daniel R. ; Udell, Monique A.R. ; Sinsheimer, Janet S. / Activity of genes with functions in human Williams-Beuren syndrome is impacted by mobile element insertions in the gray wolf genome. In: Genome Biology and Evolution. 2018 ; Vol. 10, No. 6. pp. 1546-1553.
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Activity of genes with functions in human Williams-Beuren syndrome is impacted by mobile element insertions in the gray wolf genome. / VonHoldt, Bridgett M.; Ji, Sarah S.; Aardema, Matthew; Stahler, Daniel R.; Udell, Monique A.R.; Sinsheimer, Janet S.

In: Genome Biology and Evolution, Vol. 10, No. 6, 01.06.2018, p. 1546-1553.

Research output: Contribution to journalArticle

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AU - Sinsheimer, Janet S.

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