Data

Genetics of two species of soft coral, Sinularia flexibilis and Clavularia koellikeri, from the Great Barrier Reef

Australian Institute of Marine Science
Australian Institute of Marine Science (AIMS)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://geo.aims.gov.au/geonetwork/geonetwork/srv/eng/search?uuid=a636a500-7b88-11dc-b1b7-00008a07204e&rft.title=Genetics of two species of soft coral, Sinularia flexibilis and Clavularia koellikeri, from the Great Barrier Reef&rft.identifier=http://geo.aims.gov.au/geonetwork/geonetwork/srv/eng/search?uuid=a636a500-7b88-11dc-b1b7-00008a07204e&rft.publisher=Australian Institute of Marine Science (AIMS)&rft.description=The genetic structure of 12 reef populations of the soft coral Sinularia flexibilis was studied along the Great Barrier Reef (maximum separation 1300 km). Up to 64 individuals per reef were collected at at 2 or 3 sites per reef, at a minimum of 5 m apart. Collection locations were: Dungeness, Cumberland, Pickersgill, Escape, Agincourt, Undine, Orpheus, Trunk, Rib, Cannon Bay, Deloraine, Hook Island. In two of these sectors, pairs of inshore and mid/offshore reefs were sampled.Electrophoretic analysis of 9 polymorphic allozymes (GPI, HK, FBP, TPI, ME, MDH, VL, LGG, FLE) was made.Departures of genotypic frequencies were evaluated for each locus using the Monte Carlo method using TFPGA software.Genetic diversity and sexual versus asexual contributions to populations were further evaluated of multi-locus genotypes using:1. Observed and expected genotype diversity ratios (Go:Ge).2. Ratio of the [estimated] number of all individuals generated by sexual reproduction (N*) to the number of individuals (N).3. Number of genotypes observed (Ngo) over N.Spatial autocorrelation of genotypes within reefs was also investigated using Moran's I and Geary's c calculations.To investigate the contribution of sexual and asexual reproduction in the soft coral Clavularia koellikeri (Octocorallia: Alcyonacea, Clavulariidae), populations were collected at ten sites among six reefs from two well-separated regions of the Torres Straits (Dungeness, Zuna, Wednesday Is), and the Great Barrier Reef (GBR; Pandora Reef, Orpheus Island, Britomart Reef), Australia. Eight allozyme loci were analysed. Genetic diversity was lower in the southern (18 degrees S) compared with the northern (10 degrees S) populations, suggesting that reefs closer to the southernmost limit of the distribution of C. koellikeri within the GBR (19 degrees S) may represent a more marginal habitat for this species. High levels of genetic differentiation were significant at all spatial scales (sites within reefs, reefs, and regions) from Maintenance and Update Frequency: notPlanned&rft.creator=Australian Institute of Marine Science (AIMS) &rft.date=2024&rft.coverage=westlimit=142.28333; southlimit=-20.15; eastlimit=149.06667; northlimit=-9.88333&rft.coverage=westlimit=142.28333; southlimit=-20.15; eastlimit=149.06667; northlimit=-9.88333&rft_rights= http://creativecommons.org/licenses/by-nc/3.0/au/&rft_rights=http://i.creativecommons.org/l/by-nc/3.0/au/88x31.png&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Graphic&rft_rights=Creative Commons Attribution-NonCommercial 3.0 Australia License&rft_rights=http://creativecommons.org/international/au/&rft_rights=WWW:LINK-1.0-http--related&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Text&rft_rights=Use Limitation: All AIMS data, products and services are provided as is and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.&rft_rights=Attribution: Format for citation of metadata sourced from Australian Institute of Marine Science (AIMS) in a list of reference is as follows: Australian Institute of Marine Science (AIMS). (2009). Genetics of two species of soft coral, Sinularia flexibilis and Clavularia koellikeri, from the Great Barrier Reef. https://apps.aims.gov.au/metadata/view/a636a500-7b88-11dc-b1b7-00008a07204e, accessed[date-of-access].&rft_rights=Resource Usage:Use of the AIMS data is for not-for-profit applications only. All other users shall seek permission for use by contacting AIMS. Acknowledgements as prescribed must be clearly set out in the user's formal communications or publications.&rft_rights=Creative Commons Attribution-NonCommercial 3.0 Australia License http://creativecommons.org/licenses/by-nc/3.0/au&rft_subject=oceans&rft.type=dataset&rft.language=English Access the data
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Use Limitation: All AIMS data, products and services are provided "as is" and AIMS does not warrant their fitness for a particular purpose or non-infringement. While AIMS has made every reasonable effort to ensure high quality of the data, products and services, to the extent permitted by law the data, products and services are provided without any warranties of any kind, either expressed or implied, including without limitation any implied warranties of title, merchantability, and fitness for a particular purpose or non-infringement. AIMS make no representation or warranty that the data, products and services are accurate, complete, reliable or current. To the extent permitted by law, AIMS exclude all liability to any person arising directly or indirectly from the use of the data, products and services.

Attribution: Format for citation of metadata sourced from Australian Institute of Marine Science (AIMS) in a list of reference is as follows: "Australian Institute of Marine Science (AIMS). (2009). Genetics of two species of soft coral, Sinularia flexibilis and Clavularia koellikeri, from the Great Barrier Reef. https://apps.aims.gov.au/metadata/view/a636a500-7b88-11dc-b1b7-00008a07204e, accessed[date-of-access]".

Resource Usage:Use of the AIMS data is for not-for-profit applications only. All other users shall seek permission for use by contacting AIMS. Acknowledgements as prescribed must be clearly set out in the user's formal communications or publications.

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Brief description

The genetic structure of 12 reef populations of the soft coral Sinularia flexibilis was studied along the Great Barrier Reef (maximum separation 1300 km). Up to 64 individuals per reef were collected at at 2 or 3 sites per reef, at a minimum of 5 m apart. Collection locations were: Dungeness, Cumberland, Pickersgill, Escape, Agincourt, Undine, Orpheus, Trunk, Rib, Cannon Bay, Deloraine, Hook Island. In two of these sectors, pairs of inshore and mid/offshore reefs were sampled.Electrophoretic analysis of 9 polymorphic allozymes (GPI, HK, FBP, TPI, ME, MDH, VL, LGG, FLE) was made.Departures of genotypic frequencies were evaluated for each locus using the Monte Carlo method using TFPGA software.Genetic diversity and sexual versus asexual contributions to populations were further evaluated of multi-locus genotypes using:1. Observed and expected genotype diversity ratios (Go:Ge).2. Ratio of the [estimated] number of all individuals generated by sexual reproduction (N*) to the number of individuals (N).3. Number of genotypes observed (Ngo) over N.Spatial autocorrelation of genotypes within reefs was also investigated using Moran's I and Geary's c calculations.To investigate the contribution of sexual and asexual reproduction in the soft coral Clavularia koellikeri (Octocorallia: Alcyonacea, Clavulariidae), populations were collected at ten sites among six reefs from two well-separated regions of the Torres Straits (Dungeness, Zuna, Wednesday Is), and the Great Barrier Reef (GBR; Pandora Reef, Orpheus Island, Britomart Reef), Australia. Eight allozyme loci were analysed. Genetic diversity was lower in the southern (18 degrees S) compared with the northern (10 degrees S) populations, suggesting that reefs closer to the southernmost limit of the distribution of C. koellikeri within the GBR (19 degrees S) may represent a more marginal habitat for this species. High levels of genetic differentiation were significant at all spatial scales (sites within reefs, reefs, and regions) from <4 km up to 1,000 km, indicating that C. koellikeri has limited dispersal, consistent with having brooded larvae. To investigate the relative importance of sexual and asexual reproduction, genetic differentiation and gene flow among these populations. Initial screening of 30 enzymes showed the 9 enzymes could be used for routine screening based on their resolution, polymorphism, and reliability of scoring for S. flexibilis, and eight for C. koellikeri.

Lineage

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Notes

Credit
Bastidas, Carolina, Dr (Principal Investigator)
Credit
Fabricius, Katharina E, Dr (Custodian)

Modified: 13 03 2024

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149.06667,-9.88333 149.06667,-20.15 142.28333,-20.15 142.28333,-9.88333 149.06667,-9.88333

145.675,-15.016665

text: westlimit=142.28333; southlimit=-20.15; eastlimit=149.06667; northlimit=-9.88333

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Other Information
Demographic processes in the soft coral Sinularia flexibilis leading to local dominance on coral reefs: Bastidas C, Fabricius KE and Willis BL (2004) Demographic processes in the soft coral Sinularia flexibilis leading to local dominance on coral reefs. Hydrobiologia 530: 433-441.

local : articleId=6826

Genetic differentiation among populations of the brooding soft coral Clavularia koellikeri on the Great Barrier Reef: Bastidas C, Benzie JAH and Fabricius KE (2002) Genetic differentiation among populations of the brooding soft coral Clavularia koellikeri on the Great Barrier Reef. Coral Reefs 21: 233-241.

local : articleId=6294

Genetic differentiation among populations of a broadcast spawning soft coral, Sinularia flexibilis, on the Great Barrier Reef: Bastidas C, Benzie JAH, Uthicke S and Fabricius KE (2001) Genetic differentiation among populations of a broadcast spawning soft coral, Sinularia flexibilis, on the Great Barrier Reef. Marine Biology 138: 517-525.

local : articleId=5816

Identifiers
  • global : a636a500-7b88-11dc-b1b7-00008a07204e
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