Microsatellite DNA markers for the study of horseshoe crab (Limulus polyphemus) population structure

Tim L. King, Michael S. Eackles

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Twenty-two microsatellite DNA loci were identified and characterized for horseshoe crabs (Limulus polyphemus) collected from two Atlantic coast and one Gulf of Mexico site. These markers revealed a high degree of genetic diversity (8-35 alleles per locus), heterozygosity (25.0% to 100.0%), and allelic heterogeneity (69.8% of comparisons). Considerable regional differentiation was observed as genetic distances (chord) ranged between 0.25 and 0.45, and all FST values (0.014-0.092) were significant. These preliminary findings are consistent with patterns of regional differentiation observed using allozyme variation and contradictory to findings of limited gene flow reported for sequence variation at the mitochondrial DNA COI region.

Original languageEnglish (US)
Pages (from-to)394-396
Number of pages3
JournalMolecular Ecology Notes
Volume4
Issue number3
DOIs
StatePublished - Sep 2004

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Limulus polyphemus
Merostomata
Horseshoe Crabs
Mitochondrial DNA
Genetic Markers
Microsatellite Repeats
Isoenzymes
population structure
Coastal zones
crab
Genes
Gulf of Mexico
microsatellite repeats
DNA
loci
genetic markers
Gene Flow
allozyme
heterozygosity
allozymes

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry
  • Ecology

Cite this

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Microsatellite DNA markers for the study of horseshoe crab (Limulus polyphemus) population structure. / King, Tim L.; Eackles, Michael S.

In: Molecular Ecology Notes, Vol. 4, No. 3, 09.2004, p. 394-396.

Research output: Contribution to journalArticle

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