Genetic diversity and population demography of Geranium soboliferum var. kiusianum: a glacial relict plant in the wetlands of Japan

Kurata, Seikan; Sakaguchi, Shota; Itô, Motomi

doi:10.1007/s10592-018-01141-5

Cited by 6 publications

(5 citation statements)

References 42 publications

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“…High genetic diversity among the Geranium population was reported in the present study. The previous scientific data (KURATA et al, 2019) supports our current high diversity results. Genetic analysis conducted via analysis of molecular variance and STRUCTURE showed genetic differences among the species.…”

Section: Discussionsupporting

confidence: 91%

Evaluation of genetic diversity in geranium (Geraniaceae) using RAPD marker

2021

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Genetic diversity studies are essential to understand the conservation and management of plant resources in any environment. No detailed Random Amplified Polymorphic DNA (RAPD) studies were conducted to study Geranium genetic diversity. Therefore, we collected and analyzed thirteen species from nine provinces. Overall, one hundred and twenty-five plant specimens were collected. Our aims were 1) to assess genetic diversity among Geranium species 2) is there a correlation between species genetic and geographical distance? 3) Genetic structure of populations and taxa. We showed significant differences in quantitative morphological characters in plant species. Unweighted pair group method with arithmetic mean and multidimensional scaling divided Geranium species into two groups. G. sylvaticum depicted unbiased expected heterozygosity (UHe) in the range of 0.11. Shannon information was high (0.38) in G. columbinum. G. sylvaticum showed the lowest value, 0.14. The observed number of alleles (Na) ranged from 0.25 to 0.55 in G. persicum and G. tuberosum. The effective number of alleles (Ne) was in the range of 1.020-1.430 for G. tuberosum and G. collinum. Gene flow (Nm) was relatively low (0.33) in Geranium. The Mantel test showed correlation (r = 0.27, p=0.0002) between genetic and geographical distances. We reported high genetic diversity, which clearly shows the Geranium species can adapt to changing environments since high genetic diversity is linked to species adaptability. Present results highlighted the utility of RAPD markers and morphometry methods to investigate genetic diversity in Geranium species.

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Section: Discussionsupporting

confidence: 91%

Evaluation of genetic diversity in geranium (Geraniaceae) using RAPD marker

2021

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“…High genetic diversity among the Consolida population was reported in the present study. The previous scientific data (Kurata et al 2019) supports our current high diversity results. Genetic analysis conducted via analysis of molecular variance and STRUCTURE showed genetic differences among the species.…”

Section: Genetic Structure and Gene Flowsupporting

confidence: 91%

Molecular techniques in the assessment of genetic relationships between populations of Consolida (Ranunculaceae)

Jiang

et al. 2021

Caryologia

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Genetic diversity studies are essential to understand the conservation and management of plant resources in any environment. The genus Consolida (DC.) Gray (Ranuculaceae) belongs to tribe Delphinieae. It comprises approximately 52 species, including the members of the genus Aconitella Spach. No detailed Random Amplified Polymorphic DNA (RAPD) studies were conducted to study Consolida genetic diversity. Therefore, we collected and analyzed 19 species from 12 provinces of regions. Overall, one hundred and twenty-seven plant specimens were collected. We showed significant differences in quantitative morphological characters in plant species. Unweighted pair group method with arithmetic mean and principal component analysis (PCA) divided Consolida species into two groups. All primers produced polymorphic amplicons though the extent of polymorphism varied with each primer. The primer OPA-06 was found to be most powerful and efficient as it generated a total of 24 bands of which 24 were polymorphic. The Mantel test showed correlation (r = 0.34, p=0.0002) between genetic and geographical distances. We reported high genetic diversity, which clearly shows the Consolida species can adapt to changing environments since high genetic diversity is linked to species adaptability. Present results highlighted the utility of RAPD markers and morphometry methods to investigate genetic diversity in Consolida species. Our aims were 1) to assess genetic diversity among Consolida species 2) is there a correlation between species genetic and geographical distance? 3) Genetic structure of populations and taxa.

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“…This interaction suggests that grassland vegetation was much more widespread across the East Asian region during the LGM, enabling the grassland species to colonize the Japanese Archipelago via land bridge (Hotta, 1974; Koidzumi, 1931; Murata, 1988; Ushimaru et al, 2018). Indeed, recent phylogeographic studies suggested that grassland plants (e.g., G. soboliferum , Pulsatilla cernua , and Viola orientalis ) expanded across East Asia within the last glacial period (Kurata et al, 2019; Sata et al, 2021; Takaishi et al, 2019).…”

Section: Discussionmentioning

confidence: 99%

Phylogeographic incongruence between two related Geranium species with divergent habitat preferences in East Asia

Kurata,

Sakaguchi,

Hirota

et al. 2024

Ecological Research

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Plant species with overlapping distributions are expected to experience the same historical events. In contrast, species with different preferred habitat types may exhibit incongruent phylogeographic patterns because of their habitat‐dependent demographic changes in spite of their overlapping distributions. On the western side of the Japanese Archipelago, boreal forest and non‐forest vegetation were dominant during the last glacial period; subsequently, temperate forests expanded, and open vegetation (e.g., grasslands) decreased. Such vegetation shifts can result in incongruent phylogeographic patterns among temperate forest and grassland species; however, few phylogeographic studies have investigated this hypothesis. Here, we evaluated the phylogeographic structure of two related Geranium species that occur in grassland (Geranium krameri) and temperate forest (Geranium shikokianum) habitats using chloroplast genome sequencing and nuclear genome‐wide single‐nucleotide polymorphisms genotyping. The phylogeographic structure was stronger for the temperate forest species than the grassland species, despite its currently scattered distribution for grassland species. The observed patterns indicate that the phylogeographic histories of these species were influenced by their habitat configurations since the last glacial period. During the ice age, grasslands in Japan were much more widespread than today; this would have enabled the grassland species to form a continuous distribution, leading to low divergence among regional populations. In contrast, the significant genetic divergence within the forest species can be attributed to the glacial isolation of regional populations. Our genetic results suggest that vegetation transitions have variously controlled the population dynamics of two species with overlapping distributions.

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Genetic diversity and population demography of Geranium soboliferum var. kiusianum: a glacial relict plant in the wetlands of Japan

Cited by 6 publications

References 42 publications

Evaluation of genetic diversity in geranium (Geraniaceae) using RAPD marker

Evaluation of genetic diversity in geranium (Geraniaceae) using RAPD marker

Molecular techniques in the assessment of genetic relationships between populations of Consolida (Ranunculaceae)

Phylogeographic incongruence between two related Geranium species with divergent habitat preferences in East Asia

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