Conservation Genetics Resources

, Volume 3, Issue 1, pp 45–47 | Cite as

Microsatellite loci for Symbiodinium A3 (S. fitti) a common algal symbiont among Caribbean Acropora (stony corals) and Indo-Pacific giant clams (Tridacna)

  • Jorge H. Pinzón
  • Meghann K. Devlin-Durante
  • Michele X. Weber
  • Iliana B. Baums
  • Todd C. LaJeunesse
Technical Note

Abstract

We developed ten polymorphic microsatellite loci for S. fitti (type A3), and tested their utility on a Caribbean population associated with the coral Acropora palmata and an Indo-Pacific population harbored by the giant clam Tridacna maxima. Our analyses identified from 3 to 8 alleles for each haploid locus. Diversity (R) indices were 0.48 for the Indo-Pacific and 0.81 for the Caribbean. Greater than 95% of the samples possessed a single, symbiont, multilocus genotype (MLG). Among their many uses for the study of coral-algal symbioses, population genetic markers provide insight on the potential for symbiont dispersal, can be used to assess symbiont population stability/longevity in hospite, and partition symbiont diversity into reproductively isolated operational taxonomic units (i.e. species).

Keywords

Acropora Dinoflagellate Genotype Population genetics Symbiodinium Tridacna Zooxanthellae 

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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • Jorge H. Pinzón
    • 1
  • Meghann K. Devlin-Durante
    • 1
  • Michele X. Weber
    • 2
  • Iliana B. Baums
    • 1
  • Todd C. LaJeunesse
    • 1
  1. 1.Department of BiologyPennsylvania State UniversityUniversity ParkUSA
  2. 2.Department of Integrative BiologyUniversity of California Museum of PaleontologyBerkeleyUSA

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