Journal
AQUATIC BOTANY
Volume 104, Issue -, Pages 220-223Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.aquabot.2012.09.007
Keywords
Haplotype network; Invasive species; mtDNA; Sargassum muticum
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Funding
- Korean Research Foundation grant (MEST) [2009-0077972]
- Marine Biotechnology Program
- Korean government's Ministry of Land, Transport, and Maritime Affairs
- National Research Foundation of Korea [2009-0077972] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The brown alga Sargassum muticum (Yendo) Fensholt, a component of the native algal flora of East Asia, is now one of the major macroalgal invaders of the coasts of North America and Europe. To investigate the genetic diversity of native populations, we analyzed mitochondrial cox3 and trnW-I from a total of 144 specimens of this species from Korea, Japan, as well as from North America, and Europe. A total of ten haplotypes were found in the concatenated cox3 + trnW-I dataset: seven in western Korea, four in southern Korea, one each in eastern Korea and Jeju, one in japan, and one each in Europe and North America. Haplotype 1 was common in Europe and North America, as well as in Korea. The number of private haplotypes, and haplotype and nucleotide diversities, were higher on the west coast of Korea than on the other coasts. No private haplotype was found in invaded areas. Thus, the west coast of Korea may be a native genetic diversity center. (c) 2012 Elsevier B.V. All rights reserved.
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