Chromosome aberrations and fertility disorders in domestic animals

Terje Raudsepp, Bhanu P. Chowdhary

Research output: Contribution to journalReview articlepeer-review

38 Citations (Scopus)

Abstract

The association between chromosomal abnormalities and reduced fertility in domestic animals is well recorded and has been studied for decades. Chromosome aberrations directly affect meiosis, gametogenesis, and the viability of zygotes and embryos. In some instances, balanced structural rearrangements can be transmitted, causing fertility problems in subsequent generations. Here, we aim to give a comprehensive overview of the current status and future prospects of clinical cytogenetics of animal reproduction by focusing on the advances in molecular cytogenetics during the genomics era. We describe how advancing knowledge about animal genomes has improved our understanding of connections between gross structural or molecular chromosome variations and reproductive disorders. Further, we expand on a key area of reproduction genetics: cytogenetics of animal gametes and embryos. Finally, we describe how traditional cytogenetics is interfacing with advanced genomics approaches, such as array technologies and next-generation sequencing, and speculate about the future prospects.

Original languageEnglish
Pages (from-to)15-43
Number of pages29
JournalAnnual Review of Animal Biosciences
Volume4
DOIs
Publication statusPublished - Feb 15 2016
Externally publishedYes

Keywords

  • CGH
  • Comparative genomic hybridization
  • Cytogenetics
  • Embryos
  • Gametes
  • NGS
  • Next-generation sequencing
  • Reproduction

ASJC Scopus subject areas

  • Biotechnology
  • Animal Science and Zoology
  • Genetics
  • veterinary(all)

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