Rapid evolution of horse satellite DNA

E R Wijers; C Zijlstra; J A Lenstra

doi:10.1006/geno.1993.1433

Rapid evolution of horse satellite DNA

E R Wijers, C Zijlstra, J A Lenstra

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

The major satellite of the horse genome consists of about 1 million copies of a 221-bp tandem repeat unit. By fluorescence in situ hybridization it has been localized in the centromeres of 58 of the 64 horse chromosomes. The donkey genome contains a similar but not identical satellite. Strikingly, the equine repeat did not hybridize to DNA of the Grevy zebra, despite the divergence of the horse and zebra only 3 to 5 million years ago and the ability of these species to crossbreed. The evolution of satellite DNA in the Equidae is more rapid than that in other mammalian families, which may be explained by their rapid karyotypic evolution.

Original language	English
Pages (from-to)	113-7
Number of pages	5
Journal	Genomics
Volume	18
Issue number	1
DOIs	https://doi.org/10.1006/geno.1993.1433
Publication status	Published - 1993

Keywords

Animals
Base Sequence
Biological Evolution
Chromosome Mapping
Cloning, Molecular
DNA, Satellite
Gene Frequency
Horses
In Situ Hybridization
Molecular Sequence Data
Multigene Family

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10.1006/geno.1993.1433

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title = "Rapid evolution of horse satellite DNA",

abstract = "The major satellite of the horse genome consists of about 1 million copies of a 221-bp tandem repeat unit. By fluorescence in situ hybridization it has been localized in the centromeres of 58 of the 64 horse chromosomes. The donkey genome contains a similar but not identical satellite. Strikingly, the equine repeat did not hybridize to DNA of the Grevy zebra, despite the divergence of the horse and zebra only 3 to 5 million years ago and the ability of these species to crossbreed. The evolution of satellite DNA in the Equidae is more rapid than that in other mammalian families, which may be explained by their rapid karyotypic evolution.",

keywords = "Animals, Base Sequence, Biological Evolution, Chromosome Mapping, Cloning, Molecular, DNA, Satellite, Gene Frequency, Horses, In Situ Hybridization, Molecular Sequence Data, Multigene Family",

author = "Wijers, {E R} and C Zijlstra and Lenstra, {J A}",

year = "1993",

doi = "10.1006/geno.1993.1433",

language = "English",

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T1 - Rapid evolution of horse satellite DNA

AU - Wijers, E R

AU - Zijlstra, C

AU - Lenstra, J A

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N2 - The major satellite of the horse genome consists of about 1 million copies of a 221-bp tandem repeat unit. By fluorescence in situ hybridization it has been localized in the centromeres of 58 of the 64 horse chromosomes. The donkey genome contains a similar but not identical satellite. Strikingly, the equine repeat did not hybridize to DNA of the Grevy zebra, despite the divergence of the horse and zebra only 3 to 5 million years ago and the ability of these species to crossbreed. The evolution of satellite DNA in the Equidae is more rapid than that in other mammalian families, which may be explained by their rapid karyotypic evolution.

AB - The major satellite of the horse genome consists of about 1 million copies of a 221-bp tandem repeat unit. By fluorescence in situ hybridization it has been localized in the centromeres of 58 of the 64 horse chromosomes. The donkey genome contains a similar but not identical satellite. Strikingly, the equine repeat did not hybridize to DNA of the Grevy zebra, despite the divergence of the horse and zebra only 3 to 5 million years ago and the ability of these species to crossbreed. The evolution of satellite DNA in the Equidae is more rapid than that in other mammalian families, which may be explained by their rapid karyotypic evolution.

KW - Animals

KW - Base Sequence

KW - Biological Evolution

KW - Chromosome Mapping

KW - Cloning, Molecular

KW - DNA, Satellite

KW - Gene Frequency

KW - Horses

KW - In Situ Hybridization

KW - Molecular Sequence Data

KW - Multigene Family

U2 - 10.1006/geno.1993.1433

DO - 10.1006/geno.1993.1433

M3 - Article

C2 - 8276394

SN - 0888-7543

VL - 18

SP - 113

EP - 117

JO - Genomics

JF - Genomics

IS - 1

ER -

Rapid evolution of horse satellite DNA

Abstract

Keywords

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