Matrix-attachment regions in the mouse chromosome 7F imprinted domain

John M. Greally; Mary E. Guinness; James McGrath; Sharon Zemel

doi:10.1007/s003359900583

Matrix-attachment regions in the mouse chromosome 7F imprinted domain

John M. Greally, Mary E. Guinness, James McGrath, Sharon Zemel

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19 Scopus citations

Abstract

We have mapped the matrix-attachment regions (MARs) in 200 kilobases of the mouse Chromosome (Chr) 7F imprinted domain. MARs are genetic elements known to have effects in cis on methylation at nonimprinted loci. The imprinting of the Igf2 and Ins2 genes is dependent on the transcription of the downstream H19 gene. The transcription of H19 is dependent in turn on its methylation status. The cis-acting regulators of methylation at this site are not known. As MARs are potential regulators not only of methylation but also other elements of genomic imprinting, we mapped the MARs within the 200 kilobases around H19. This report describes the mapping of four MARs from this region.

Original language	English (US)
Pages (from-to)	805-810
Number of pages	6
Journal	Mammalian Genome
Volume	8
Issue number	11
DOIs	https://doi.org/10.1007/s003359900583
State	Published - 1997
Externally published	Yes

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Genetics

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title = "Matrix-attachment regions in the mouse chromosome 7F imprinted domain",

abstract = "We have mapped the matrix-attachment regions (MARs) in 200 kilobases of the mouse Chromosome (Chr) 7F imprinted domain. MARs are genetic elements known to have effects in cis on methylation at nonimprinted loci. The imprinting of the Igf2 and Ins2 genes is dependent on the transcription of the downstream H19 gene. The transcription of H19 is dependent in turn on its methylation status. The cis-acting regulators of methylation at this site are not known. As MARs are potential regulators not only of methylation but also other elements of genomic imprinting, we mapped the MARs within the 200 kilobases around H19. This report describes the mapping of four MARs from this region.",

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year = "1997",

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AU - Greally, John M.

AU - Guinness, Mary E.

AU - McGrath, James

AU - Zemel, Sharon

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Y1 - 1997

N2 - We have mapped the matrix-attachment regions (MARs) in 200 kilobases of the mouse Chromosome (Chr) 7F imprinted domain. MARs are genetic elements known to have effects in cis on methylation at nonimprinted loci. The imprinting of the Igf2 and Ins2 genes is dependent on the transcription of the downstream H19 gene. The transcription of H19 is dependent in turn on its methylation status. The cis-acting regulators of methylation at this site are not known. As MARs are potential regulators not only of methylation but also other elements of genomic imprinting, we mapped the MARs within the 200 kilobases around H19. This report describes the mapping of four MARs from this region.

AB - We have mapped the matrix-attachment regions (MARs) in 200 kilobases of the mouse Chromosome (Chr) 7F imprinted domain. MARs are genetic elements known to have effects in cis on methylation at nonimprinted loci. The imprinting of the Igf2 and Ins2 genes is dependent on the transcription of the downstream H19 gene. The transcription of H19 is dependent in turn on its methylation status. The cis-acting regulators of methylation at this site are not known. As MARs are potential regulators not only of methylation but also other elements of genomic imprinting, we mapped the MARs within the 200 kilobases around H19. This report describes the mapping of four MARs from this region.

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Matrix-attachment regions in the mouse chromosome 7F imprinted domain

Abstract

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