New insights into the molecular basis of mammalian sperm-egg membrane interactions

Ulyana Vjugina, Janice Perry Evans

Research output: Contribution to journalArticle

Abstract

Fertilization is the process by which two terminally differentiated cells, the sperm and the egg, merge to form a totipotent cell, the zygote. This review addresses one of the culminating steps in getting sperm and egg together: the cell-cell interactions that allow the two gametes to fuse and create the zygote. Based on cell biological and genetic studies, major players include CD9 on the egg and Izumo on the sperm, although other molecules are part of an ever-evolving discussion of models for the molecular mechanisms leading to sperm-egg fusion, since few molecules have been shown to be completely essential for sperm-egg union. This sets the stage for consideration of how genetic approaches impact the field - of how knockout mouse reproductive phenotypes translate to humans and other animals and also of how interactions between redundant, nonessential genes could affect reproductive processes such as gamete interaction ("synthetic infertility," analogous to synthetic lethality). We will address these issues, examine the molecular basis of sperm-egg union and how this field has evolved with modern approaches combined with classical studies, and also discuss basic research in gamete biology in light of its possible application to reproductive health.

Original languageEnglish (US)
Pages (from-to)462-476
Number of pages15
JournalFrontiers in bioscience : a journal and virtual library
Volume13
Issue number2
DOIs
StatePublished - 2008

Fingerprint

Sperm-Ovum Interactions
Ovum
Spermatozoa
Membranes
Molecules
Electric fuses
Animals
Fusion reactions
Genes
Zygote
Health
Germ Cells
Molecular Models
Reproductive Health
Fertilization
Knockout Mice
Cell Communication
Infertility
Phenotype
Research

Keywords

  • A disintegrin and A metalloprotease
  • ADAM
  • Cell adhesion
  • CRISP
  • Cysteine-rich secretory protein
  • Egg
  • Fertilization
  • Gamete
  • Gamete biology
  • IgSF
  • Immunoglobulin superfamily
  • Integrin
  • Membrane fusion
  • Membrane interactions
  • Review
  • Sperm
  • Tetraspanin

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry
  • Cell Biology
  • Medicine(all)

Cite this

New insights into the molecular basis of mammalian sperm-egg membrane interactions. / Vjugina, Ulyana; Evans, Janice Perry.

In: Frontiers in bioscience : a journal and virtual library, Vol. 13, No. 2, 2008, p. 462-476.

Research output: Contribution to journalArticle

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