Phylogeography of the genus Cardiandra based on genetic variation in cpDNA sequences

Setoguchi, Hiroaki; Yukawa, Tomohisa; Tokuoka, Toru; Momohara, Arata; Sogo, Akiko; Takaso, Tokushiro; Peng, Ching‐I

doi:10.1007/s10265-006-0283-1

Cited by 20 publications

(15 citation statements)

References 14 publications

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“…Nevertheless, the traditional view that plant cpDNA changes very slowly in nucleotide sequences is still somewhat valid (Palmer 1990;Provan et al 2001). Such phylogeographic investigations based on genetic variations in cpDNA sequences have already been conducted in angiosperms, including Citrullus and Cardiandra (Dane and Lang 2004;Setoguchi et al 2006).…”

Section: Introductionmentioning

confidence: 98%

Taxonomic Status and Genetic Variation of Korean Endemic Plants, Eranthis byunsanensis and Eranthis pungdoensis (Ranunculaceae) based on nrDNA ITS and cpDNA Sequences

2012

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To reappraise the taxonomic status of two Korean endemic plants, Eranthis byunsanensis and Eranthis pungdoensis, we analyzed five taxa of that genus plus three outgroup genera (Cimicifuga, Anemonopsis, and Anemone). In all, 52 representative accessions were examined for nrDNA (ITS) and 43 accessions for cpDNA (trnH-psbA, rps16, trnL, and trnLF). In the ITS region, all of the aligned sequences from E. byunsanensis had the same ribotype as from E. pungdoensis. For the ITS phylogeny, E. pungdoensis could not be distinguished from E. byunsanensis. However, the clade of E. byunsanensis, including E. pungdoensis, was separated from Eranthis pinnatifida of Japan, which has a distinct ribotype and forms a sister group. In our cpDNA analysis, E. byunsanensis showed paraphyly, and the clade of E. pungdoensis was nested within the E. byunsanensis clade. Haplotypes of each population of E. byunsanensis were highly variable, and TCS analysis of that species implied that the Jeju population is ancestral. Moreover, the cp-group of E. pungdoensis was separated from the other cp-groups by five substitutions and five indels. Therefore, based on these DNA data and TCS analysis, we advise that the taxonomic status of E. pungdoensis be treated as E. byunsanensis B. Sun var. pungdoensis (B.U. Oh) S.H. Yeau, C.S. Lee & N.S. Lee, stat. nov.

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Section: Introductionmentioning

confidence: 98%

Taxonomic Status and Genetic Variation of Korean Endemic Plants, Eranthis byunsanensis and Eranthis pungdoensis (Ranunculaceae) based on nrDNA ITS and cpDNA Sequences

2012

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“…Therefore, in order to understand the evolutionary history of the Japanese flora, it is important to clarify the origins of Japanese endemic plant groups. However, there have been few studies of the phylogenetic divergence patterns of endemic plant groups in the Japanese flora based on objective data, except for studies of plants of the Ryukyu Islands (Hiramatsu et al 2001;Setoguchi 2001;Setoguchi et al 2006) and the Bonin Islands (Ito and Pak 1996;Ito 1998; Japanese species is shown in Fig. 1; P. iwatensis is distributed in northern Honshu, P. nipponica is found on the Sea of Japan side from central to northern Honshu, whereas P. gloriosa occurs on the Pacific Ocean side of central Honshu (mainly in the Kanto district), and P. ochiaiana is distributed only near the summits of the mountains on Yakushima Island, Kyushu.…”

Section: Introductionmentioning

confidence: 99%

Chloroplast DNA phylogeography of Pedicularis ser. Gloriosae (Orobanchaceae) in Japan

Fujii

2007

J Plant Res

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Phylogeographic analyses using chloroplast DNA (cpDNA) variation were performed for Pedicularis ser. Gloriosae (Orobanchaceae). Eighty-one plants of 18 populations of 6 species (P. gloriosa, P. iwatensis, P. nipponica, P. ochiaiana, P. sceptrum-carolinum and P. grandiflora) were analyzed. Fifteen distinct haplotypes were identified based on six cpDNA regions: the intergenic spacer between the trnT and trnL 3'exon, trnL 3'exon-trnF, atpB-rbcL, accD-psaI, the rpl16 intron and the trnK region (including the matK gene). Via phylogenetic analyses of the haplotypes, two continental species, P. sceptrum-carolinum and P. grandiflora, were placed at the most ancestral position in the trees. The former species is widely distributed in the Eurasian continent, and the latter is distributed in Far East Asia. Two robust major cpDNA clades (clades I and II) were revealed in the Japanese archipelago, although the statistical values of monophyly of these clades were weak. Clade I included the haplotypes (A-1, A-2, B-1, B-2 and J) of three species (P. gloriosa, P. iwatensis and P. ochiaiana), and Clade II included seven haplotypes (C-D, E-1, E-2 and F-H) of P. nipponica. These results suggest that this series originated on the Eurasian continent and that subsequently populations at the eastern edge of the continent differentiated into the two Japanese lineages.

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“…During the Quaternary period, the island chain from Yaku to Taiwan repeatedly formed landbridges due to sea-level changes induced by climatic oscillations (Kimura, 1996(Kimura, , 2000. Cardiandra plants (Hydrangeaceae) on these islands were shown to have a common ancestor, suggesting that their range expanded along the landbridge, passing from Taiwan to Japan during glacial periods (Setoguchi et al, 2006). To clarify the origin and population history of the OK population of K. septemlobus, further phylogeographic study including samples from mainland China and the Korean Peninsula should be conducted in the future.…”

Section: Strong Isolation Effect Of Straits On Small Insular Populationsmentioning

confidence: 99%

Lineage admixture during postglacial range expansion is responsible for the increased gene diversity of Kalopanax septemlobus in a recently colonised territory

et al. 2011

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We aimed to reveal the effects of range expansion and subsequent lineage admixture from separated glacial refugia on genetic diversity of Kalopanax septemlobus in Japan, by combining nuclear microsatellite data and ecological niche modelling. Allelic richness and gene diversity were compared at the population and regional level. We also statistically examined these indices as a function of population accessibility to the last glacial maximum (LGM) palaeodistribution reconstructed by ecological niche modelling to test a simple range expansion scenario from glacial refugia. Genetic diversity was highest in the populations of southern Japan and gradually decreased towards the north. However, an additional centre of genetic diversity, when measured as gene diversity, was found in northern Honshu Island, where distinct lineages were shown to be in contact. Positive effects of population accessibility to the LGM range were detected in both diversity indices at different spatial scales. The combined data support independent postglacial range expansions towards the north from the edge populations on the exposed coastal shelf of Pacific and Sea of Japan in northern Honshu during the LGM, which subsequently resulted in markedly low genetic diversity in the northernmost extant range, Hokkaido. The regional increase in gene diversity in northern Honshu is likely to be the result of postglacial lineage admixture. Relative difference in the spatial scales best relating population genetic diversity with the LGM distribution can be explained by a higher rate of allelic richness diversity loss during range expansions and stronger effects of lineage admixture on gene diversity.

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Phylogeography of the genus Cardiandra based on genetic variation in cpDNA sequences

Cited by 20 publications

References 14 publications

Taxonomic Status and Genetic Variation of Korean Endemic Plants, Eranthis byunsanensis and Eranthis pungdoensis (Ranunculaceae) based on nrDNA ITS and cpDNA Sequences

Taxonomic Status and Genetic Variation of Korean Endemic Plants, Eranthis byunsanensis and Eranthis pungdoensis (Ranunculaceae) based on nrDNA ITS and cpDNA Sequences

Chloroplast DNA phylogeography of Pedicularis ser. Gloriosae (Orobanchaceae) in Japan

Lineage admixture during postglacial range expansion is responsible for the increased gene diversity of Kalopanax septemlobus in a recently colonised territory

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