Journal of Plant Biology

, Volume 41, Issue 2, pp 103–109 | Cite as

Phylogenetic relationships ofPelvetia andPelvetiopsis (Phaeophyceae) based on small subunit ribosomal DNA sequences

  • Wook Jae Lee
  • Hwan Su Yoon
  • Sung Min Boo
Article
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Accepted:

Abstract

Nucleotide sequences of the small-subunit (SSU) ribosomal DNA were determined forPelvetia babingtonii, P. canaliculate, Pelvetiopsis limitata, andAscophyllum nodosum in the family Fucaceae. A total of 1755 positions were aligned for the whole sequence. The positional differences in the primary structure among the taxa ranged from 16 to 30 nucleotide changes in pairwise comparisons. There was a minimum divergence betweenPs. limitata andP. babingtonii while a maximum betweenPs. limitata andP. canaliculata. The SSU rDNA trees showed that the genusPelvetia was not monophyletic and the genusPelvetiopsis was not closely related toPelvetia. Our results suggest that the taxonomic revision of the genusPelvetia as well as the family Fucaceae is needed based on detailed morphological observations.

Keywords

Pelvetia Pelvetiopsis Phaeophyceae phylogeny SSU rDNA 
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Copyright information

© The Botanical Society of Korea 1998

Authors and Affiliations

  • Wook Jae Lee
    • 1
  • Hwan Su Yoon
    • 1
  • Sung Min Boo
    • 1
  1. 1.Department of BiologyChungnam National UniversityDaejonKorea

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