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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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A goal of phylogeography is to relate phylogenetic patterns to potential historic and contemporary geographic isolating events. Genetic breaks found in phylogeographic studies may denote boundaries between more generally applicable biogeographic regions. We investigated the distribution of Lessonia variegata, an important habitat forming alga, found on most rocky shores around New Zealand’s main islands, plus related species from surrounding waters. L. variegata has been shown to consist of four distinct cryptic species. Our aim was to compare the distribution of L. variegata with proposed bioregions; and to develop phylogeographic hypotheses to explain its present day distribution. Both a mitochondrial (atp8-sp) and plastid (RuBisCo spacer) marker, with different mutation rates, were used to gain information of the phylogenetic history of Lessonia. The data revealed high phylogeographic structuring and reciprocal endemism for all L. variegata cryptic species. One species (L. variegata / N) is confined to the northern part of the North Island of New Zealand; L. variegata / W is found at the southeast of the North Island and the northern South Island; L. variegata / K is endemic to the northeast South Island; and L. variegata / S is restricted to the southern part of the South Island. No overlapping areas of L. variegata species distribution were found. The data showed that genetic breaks in Lessonia do mostly correlate to bioregions, and highlight the importance of Cape Campbell at the northeast of the South Island and East Cape in the North Island, well known phylogeographic breaks, as a barrier between adjacent species.
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참고문헌 (42)
참고문헌 신청
Apte, S. / 2002 / Population genetic subdivision in the New Zealand greenshell mussel (Perna canaliculus)inferred from single-strand conformation polymorphism analysis of mitochondrial DNA / Mol. Ecol 11:1617~1628
Avise, J. C. / 2006 / Evolutionary pathways in nature: a phylogenetic approach / Cambridge University Press :298
Ayers, K. L. / 2005 / Marine biogeographic disjunction in central New Zealand / Mar. Biol 147:1045~1052
Bassam, B. J. / 1991 / Fast and sensitive silver staining of DNA in polyacrylamide gels / Anal. Biochem 196:80~83
Bonfield, J. K. / 1995 / A new DNA sequence assembly program / Nucleic Acids Res 23:4992~4999
Avise, J. C. / 2006 / Evolutionary pathways in nature: a phylogenetic approach / Cambridge University Press :298
Ayers, K. L. / 2005 / Marine biogeographic disjunction in central New Zealand / Mar. Biol 147:1045~1052
Bassam, B. J. / 1991 / Fast and sensitive silver staining of DNA in polyacrylamide gels / Anal. Biochem 196:80~83
Bonfield, J. K. / 1995 / A new DNA sequence assembly program / Nucleic Acids Res 23:4992~4999
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