Highly Variable Genomic Landscape of Endogenous Retroviruses in the C57BL/6J Inbred Strain, Depending on Individual Mouse, Gender, Organ Type, and Organ Location

Kang Hoon Lee, Debora Lim, David G Greenhalgh, Kiho Cho

Research output: Contribution to journalArticle

Abstract

Transposable repetitive elements, named the "TREome," represent 40% of the mouse genome. We postulate that the germ line genome undergoes temporal and spatial diversification into somatic genomes in conjunction with the TREome activity. C57BL/6J inbred mice were subjected to genomic landscape analyses using a TREome probe from murine leukemia virus-type endogenous retroviruses (MLV-ERVs). None shared the same MLV-ERV landscape within each comparison group: (1) sperm and 18 tissues from one mouse, (2) six brain compartments from two females, (3) spleen and thymus samples from four age groups, (4) three spatial tissue sets from two females, and (5) kidney and liver samples from three females and three males. Interestingly, males had more genomic MLV-ERV copies than females; moreover, only in the males, the kidneys had higher MLV-ERV copies than the livers. Perhaps, the mouse-, gender-, and tissue/cell-dependent MLV-ERV landscapes are linked to the individual-specific and dynamic phenotypes of the C57BL/6J inbred population.

Original languageEnglish (US)
Article number3152410
JournalInternational Journal of Genomics
Volume2017
DOIs
StatePublished - 2017

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Endogenous Retroviruses
Murine Leukemia Viruses
Viruses
Genes
Genome
Tissue
Liver
Kidney
Thymus
DNA Transposable Elements
Inbred C57BL Mouse
Germ Cells
Thymus Gland
Spermatozoa
Brain
Spleen
Age Groups
Phenotype
Population

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Genetics
  • Pharmaceutical Science

Cite this

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abstract = "Transposable repetitive elements, named the {"}TREome,{"} represent 40{\%} of the mouse genome. We postulate that the germ line genome undergoes temporal and spatial diversification into somatic genomes in conjunction with the TREome activity. C57BL/6J inbred mice were subjected to genomic landscape analyses using a TREome probe from murine leukemia virus-type endogenous retroviruses (MLV-ERVs). None shared the same MLV-ERV landscape within each comparison group: (1) sperm and 18 tissues from one mouse, (2) six brain compartments from two females, (3) spleen and thymus samples from four age groups, (4) three spatial tissue sets from two females, and (5) kidney and liver samples from three females and three males. Interestingly, males had more genomic MLV-ERV copies than females; moreover, only in the males, the kidneys had higher MLV-ERV copies than the livers. Perhaps, the mouse-, gender-, and tissue/cell-dependent MLV-ERV landscapes are linked to the individual-specific and dynamic phenotypes of the C57BL/6J inbred population.",
author = "Lee, {Kang Hoon} and Debora Lim and Greenhalgh, {David G} and Kiho Cho",
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AU - Greenhalgh, David G

AU - Cho, Kiho

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