Cite as: Cold Spring Harb. Protoc.; 2008; doi:10.1101/pdb.prot5095

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Isolation of Amphimedon Developmental Material

Sally P. Leys3, Claire Larroux1, Marie Gauthier1, Maja Adamska1,2, Bryony Fahey1, Gemma S. Richards1, Sandie M. Degnan1, and Bernard M. Degnan1,4

1 School of Integrative Biology, University of Queensland, Brisbane QLD 4072, Australia
2 Sars International Centre for Marine Molecular Biology, N-5008 Bergen, Norway
3 Department of Biological Sciences CW 405, University of Alberta, Edmonton, Alberta T6G 2E9, Canada

4Corresponding author (b.degnan{at}uq.edu.au)


INTRODUCTION

Fertilization occurs internally in Amphimedon and embryos are brooded in multiple chambers throughout the adult. Each chamber contains a mixture of developmental stages, from egg to late ring stages (i.e., prehatch late embryos). At the end of embryogenesis, swimming parenchymella larvae emerge from the adult. After several hours in the water column, the larvae settle and metamorphose into juvenile sponges. This protocol details how to obtain Amphimedon larvae and post-larvae/juveniles as well as embryos. Once isolated, these biological stages can be used for a variety of molecular and cellular analyses.


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Related Article

The Demosponge Amphimedon queenslandica: Reconstructing the Ancestral Metazoan Genome and Deciphering the Origin of Animal Multicellularity
Bernard M. Degnan, Maja Adamska, Alina Craigie, Sandie M. Degnan, Bryony Fahey, Marie Gauthier, John N.A. Hooper, Claire Larroux, Sally P. Leys, Erica Lovas, and Gemma S. Richards
Cold Spring Harb Protoc 2008: 108. [Abstract] [Full Text]

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 Cold Spring Harb ProtocHome page
B. M. Degnan, M. Adamska, A. Craigie, S. M. Degnan, B. Fahey, M. Gauthier, J. N.A. Hooper, C. Larroux, S. P. Leys, E. Lovas, et al.
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