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Beakers versus breakers: how fertilisation in the laboratory differs from fertilisation in nature

Published online by Cambridge University Press:  26 September 2008

Kristina S. Mead  and
David Epel
Kristina S. Mead
Affiliation:
Hopkins Marine Station and Department of Biological Sciences, Stanford University, California, USA
David Epel*
Affiliation:
Hopkins Marine Station and Department of Biological Sciences, Stanford University, California, USA
*
David Epel, Hopkins Marine Station and Department of Biological Sciences, Stanford University, Pacific Grove, CA 93950, USA.
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Summary

The fertilisation of free-spawning invertebrates, mainly sea urchins, has been studied extensively during the last hundred years. However, results obtained from in vitro experiments do not always reflect what happens in the real world. Organisms in their natural habitats have a complex set of challenges, cues and behaviours to contend with during fertilisation and early development, factors that are normally not considered in the laboratory setting. This review examines recent work on fertilisation ecology and discusses the relevance of these results to the findings gleaned from laboratory research. Emphasis is placed on stresses associated with fertilisation in situ, and how responses to environmental stresses (such as from turbulence, oxidative stress, ultraviolet radiation and pathogens) might affect the fertilisation process.

Type
Commentary
Information
Zygote , Volume 3 , Issue 2 , May 1995 , pp. 95 - 99
Copyright
Copyright © Cambridge University Press 1995

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