NDLI: Apparent Involvement of a β1 Type Integrin in Coral Fertilization

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Apparent Involvement of a β1 Type Integrin in Coral Fertilization

Content Provider	Springer Nature Link
Author	Iguchi, Akira Márquez, Luis M. Knack, Brent Shinzato, Chuya Oppen, Madeleine J. H. Willis, Bette L. Hardie, Kate Catmull, Julian Miller, David J.
Copyright Year	2007
Abstract	Integrins are involved in a wide variety of cell adhesion processes, and have roles in gamete binding and fusion in mammals. Integrins have been also discovered in the scleractinian coral Acropora millepora (Cnidaria: Anthozoa). As a first step toward understanding the molecular basis of fertilization in corals, we examined the effect of polyclonal antisera raised against recombinant coral integrins on gamete interactions in A. millepora. Antiserum raised against integrin βcn1 dramatically decreased the binding of Acropora sperm to eggs and significantly decreased fertilization rates relative to preimmune serum and seawater controls. However, the antiserum against AmIntegrin α1 did not affect significantly either sperm–egg binding or fertilization. One possible explanation for this is that AmIntegrin α1 may preferentially mediate interactions with RGD-containing ligands, whereas mammalian α6 integrin (which is most directly implicated in gamete interactions) preferentially interacts with laminin-related ligands. Our results suggest that β1 type integrins are involved in the fertilization process in Acropora and that some functions of these molecules may have been conserved between corals and mammals.
Starting Page	760
Ending Page	765
Page Count	6
File Format	PDF
ISSN	14362228
Journal	Marine Biotechnology
Volume Number	9
Issue Number	6
e-ISSN	14362236
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-08-13
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Acropora millepora coral fertilization gamete interaction integrin Engineering Zoology Microbiology Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Biotechnology

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High levels of acrylate in the Great Barrier Reef coral Acropora millepora

Absence of skeleton deposition in juveniles of the scleractinian coral Acropora millepora

Influence of sperm dilution and gamete contact time on the fertilization rate of scleractinian corals

Gene expression patterns of the coral Acropora millepora in response to contact with macroalgae

Skeletal mineralogy of newly settling Acropora millepora (Scleractinia) coral recruits

Changes in spawning time led to the speciation of the broadcast spawning corals Acropora digitifera and the cryptic species Acropora sp. 1 with similar gamete recognition systems

Intraspecific variability in the response to ocean warming and acidification in the scleractinian coral Acropora pulchra

In vitro culture of cells derived from larvae of the staghorn coral Acropora millepora

Roles of Calmodulin and Calcium/Calmodulin-Dependent Protein Kinase in Flagellar Motility Regulation in the Coral Acropora Digitifera

Apparent Involvement of a β1 Type Integrin in Coral Fertilization

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High levels of acrylate in the Great Barrier Reef coral Acropora millepora

Absence of skeleton deposition in juveniles of the scleractinian coral Acropora millepora

Influence of sperm dilution and gamete contact time on the fertilization rate of scleractinian corals

Gene expression patterns of the coral Acropora millepora in response to contact with macroalgae

Skeletal mineralogy of newly settling Acropora millepora (Scleractinia) coral recruits

Changes in spawning time led to the speciation of the broadcast spawning corals Acropora digitifera and the cryptic species Acropora sp. 1 with similar gamete recognition systems

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Roles of Calmodulin and Calcium/Calmodulin-Dependent Protein Kinase in Flagellar Motility Regulation in the Coral Acropora Digitifera

Apparent Involvement of a β1 Type Integrin in Coral Fertilization