The evolutionary significance of variation in sperm-egg interactions

Timothy L. Karr, William J. Swanson, Rhonda R. Snook

Research output: Chapter in Book/Report/Conference proceedingChapter

19 Citations (Scopus)

Abstract

In sexual reproduction, interactions between the gamete cells, be they sperm and egg or different mating types, initiate the next generation, so an insight of evolutionary processes relies on understanding factors that influence these gametic interactions. This chapter focuses on the present state of the field of fertilization and the nature of sperm-egg interactions (SEIs), with particular emphasis on evolutionary mechanisms and processes that have driven this important aspect of the life history of sexual organisms. The goal of the chapter is to illustrate the variation in fertilization systems at the level of SEIs and common/disparate SEI processes and to provide evidence for the evolutionary significance of SEIs. A detailed understanding of the molecular makeup of sperm will be necessary to fully assess the role sperm play in SEIs. They contain other essential elements necessary for production of a viable diploid organism carried into the maternal cytoplasm during fertilization. During fertilization and early embryonic development, sperm and egg interact in a variety of ways. The chapter primarily focuses on the initial stages of sperm-egg interactions near/at their surfaces and ending at the stage of the first mitotic division of the embryo. The SEIs discussed encompass those interactions that take place between the gametes both at their surfaces, at or near these surfaces, and subsequently, once sperm are inside the egg at the terrestrial invertebrates. © 2009

Original languageEnglish (US)
Title of host publicationSperm Biology
PublisherElsevier Ltd
Pages305-365
Number of pages61
ISBN (Print)9780123725684
DOIs
StatePublished - Jan 1 2009
Externally publishedYes

Fingerprint

spermatozoa
fertilization (reproduction)
germ cells
organisms
sexual reproduction
embryo (animal)
diploidy
embryogenesis
cytoplasm
invertebrates
life history

Cite this

Karr, T. L., Swanson, W. J., & Snook, R. R. (2009). The evolutionary significance of variation in sperm-egg interactions. In Sperm Biology (pp. 305-365). Elsevier Ltd. https://doi.org/10.1016/B978-0-12-372568-4.00008-2

The evolutionary significance of variation in sperm-egg interactions. / Karr, Timothy L.; Swanson, William J.; Snook, Rhonda R.

Sperm Biology. Elsevier Ltd, 2009. p. 305-365.

Research output: Chapter in Book/Report/Conference proceedingChapter

Karr, Timothy L. ; Swanson, William J. ; Snook, Rhonda R. / The evolutionary significance of variation in sperm-egg interactions. Sperm Biology. Elsevier Ltd, 2009. pp. 305-365
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