Postglacial recolonization and cpDNA variation of silver birch, <i>Betula pendula</i>

Palmé, Anna; Su, Qing; Rautenberg, Anja; Manni, Franz; Lascoux, Martin

doi:10.1046/j.1365-294x.2003.01724.x

Cited by 158 publications

(172 citation statements)

References 46 publications

(52 reference statements)

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“…Macrofossils of B. humilis dated back to the Middle Pleniglacial and Late Weichselian have also been discovered in southwestern Ukraine (StarachowiczRybka et al 2009). These findings strongly suggest that, like other Betula species (Palmé et al 2003;Willis and van Andel 2004;Binney et al 2009;Markova et al 2009), the shrub birch could have survived the LGM at higher latitudes. However, nuclear microsatellite investigation has failed to support the hypothesis of a B. humilis refugium situated in southeastern Poland (Jadwiszczak et al 2011a).…”

Section: Introductionmentioning

confidence: 56%

“…The TF, CD and AS primer pairs designed by Taberlet et al (1991) and Demesure et al (1995), which amplify non-coding regions of the chloroplast genome, were chosen, because they are known to reveal genetic variation in other Betula species (Palmé et al 2003(Palmé et al , 2004Maliouchenko et al 2007). For each individual, the PCR reaction was set up in 10 μl mixture containing 3.4 μl of Multiplex PCR Master Mix (Qiagen), 2.0 μl of RNase-free water (Qiagen), 0.6 μl of primer mixture (0.2 μM of each primer) and 4.0 μl of diluted DNA.…”

Section: Laboratory Analysesmentioning

confidence: 99%

“…We scored the Due to the presence of the unshared restriction sites, it was impossible to describe haplotypes in the manner adopted by Palmé et al (2003). In the work conducted by Palmé et al (2003), all haplotypes had the same restriction sites, and the only difference was in the length of the fragments.…”

Section: Description Of Haplotypesmentioning

confidence: 99%

“…Presently, four Betula species occur in Europe: Betula pendula Roth., Betula pubescens Ehrh., Betula nana L. and Betula humilis Schrk. Both palaeontological and genetic investigations have shown that B. pendula and B. pubescens could have survived the Last Glacial Maximum (LGM) not only in Southern European refugia but also at higher latitudes and that Holocene recolonisation occurred rapidly (Palmé et al 2003;Willis and van Andel 2004;Maliouchenko et al 2007;Thórsson et al 2010). In addition, the microthermal shrub B. nana could have existed in a periglacial belt during the last glaciation (Binney et al 2009).…”

Section: Introductionmentioning

confidence: 99%

“…Organelle markers are uniparentally inherited and exhibit reduced effective population sizes; hence, they reveal a clearer picture of the genealogical history of a species than do nuclear markers (Vettori et al 2004). Previous studies have successfully used cpDNA markers to deduce the locations of glacial refugia and postglacial colonisation routes in Alnus glutinosa (King and Ferris 1998), Fagus sylvatica (Demesure et al 1996;Magri et al 2006), Fraxinus excelsior (Heuertz et al 2004), Quercus (Csaikl et al 2002;Petit et al 2002a, b), Populus (Cottrell et al 2005;Fussi et al 2010) and Betula (Palmé et al 2003;Maliouchenko et al 2007;Thórsson et al 2010).…”

Section: Introductionmentioning

confidence: 99%

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Chloroplast DNA variation of Betula humilis Schrk. in Poland and Belarus

Jadwiszczak

Banaszek

Jabłońska

et al. 2012

Tree Genetics & Genomes

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Betula humilis is an endangered plant species in Central Europe. In order to protect this species, it is necessary to document its genetic diversity in this region and to identify areas for conservation prioritisation. As molecular investigations conducted throughout the ranges of many plant species have shown that the highest genetic diversities are found within former glacial refugia and/or within the contact zones of different phylogenetic lineages, we investigated the reasons underlying the considerable genetic variation of B. humilis in northeastern Poland revealed previously using nuclear microsatellites. We analysed 365 individuals of B. humilis from 19 populations and 67 specimens of Betula pendula and Betula pubescens sampled in four geographical regions in Poland and Belarus for polymorphism in chloroplast PCR-restriction fragment length polymorphism markers. Genetic data strongly suggested that B. humilis could have survived the Last Glacial Maximum at higher latitudes, but the hypothesis of a refugium in southeastern Poland was rejected. Chloroplast DNA analysis confirmed high genetic diversity in some populations in northeastern Poland. This phenomenon can likely be explained in terms of a suture zone, as the high haplotypic richness was followed by h T ≤v T . Similar patterns of haplotype distributions in the birches under study and high introgression ratio (IG00.71) among B. humilis and congeneric trees suggested that postglacial recolonisation of the shrub birch was complicated by haplotype sharing with other birches.

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Section: Introductionmentioning

confidence: 56%

Section: Laboratory Analysesmentioning

confidence: 99%

Section: Description Of Haplotypesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Chloroplast DNA variation of Betula humilis Schrk. in Poland and Belarus

Jadwiszczak

Banaszek

Jabłońska

et al. 2012

Tree Genetics & Genomes

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Birches

Lemmetyinen

Järvinen

Keinonen

et al. 2008

Compendium of Transgenic Crop Plants

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The birches are common trees and shrubs of the northern hemisphere. Economically, the most important species is the silver birch ( Betula pendula ), and its breeding started already in 1940s. To speed up breeding, new biotechnological approaches have been introduced, including marker‐assisted breeding, micropropagation, and gene transfer. Possibilities to improve wood quality and stress tolerance are now being studied by using these technologies. Several genes regulating flower development in birch have been isolated, and utilized in development of nonflowering and early‐flowering birches. The only biotechnological applications related to herbivore and fungal resistance so far appear to be the transformation of spider insecticidal peptide gene into Betula platyphylla , and of chitinase IV gene from sugar beet into silver birch. Attempts to modify lignin amount and composition have been made with two genes, but neither of these lead to expected alterations in lignin composition. Birch is quite tolerant to some toxic compounds found in contaminated soil, but so far no transgenic applications for phytoremediation have been reported. The recently established large expressed sequence tag (EST) library and birch oligonucleotide microarray chips will undoubtedly enable further genomic studies on birch and enhance its potential as a deciduous woody model plant.

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Landscape genetics of the tropical willowSalix humboldtiana: influence of climate, salinity, and orography in an altitudinal gradient

Hernández‐Leal

Suárez‐Atilano

Nicasio-Arzeta

et al. 2022

American J of Botany

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Premise Gene flow in riparian ecosystems is influenced by landscape features such as orography, climate, and salinity. The downstream increase in genetic diversity (DIGD) hypothesis states that the unidirectionality of the watercourse causes an accumulation of genetic diversity toward downstream populations, while upstream populations are more structured and less diverse, especially in water‐dispersed organisms. Methods We used chloroplast and nuclear microsatellites to characterize genetic diversity, structure, and gene flow patterns among populations of Salix humboldtiana across an elevation and salinity gradient on three rivers (Actopan, Antigua, and Blanco) in Mexico. We used optimization of resistance surface methods to determine whether genetic distances between populations are correlated with landscape features. Results Positive FIS values evidenced biparental inbreeding in some populations, particularly at higher elevations where lower niche availability constrains colonization and persistence. Four genetic groups were distinguished, corresponding to populations on the Actopan and Antigua rivers and upstream and downstream on the Blanco, but with high admixture between populations on the Actopan and Antigua rivers. Higher gene flow rates were found among proximate populations on the same river than among different rivers. Genetic diversity increased toward the river mouths, in support of the DIGD hypothesis, probably due to greater niche availability and larger population size. Differences among rivers in precipitation patterns and salinity, as well as geographic distance, were significant predictors of gene flow. Conclusions Our results depict that the DIGD and gene flow patterns in S. humboldtiana result from the complex interaction among physiography, climate, river salinity, and life‐history traits of the species.

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Postglacial recolonization and cpDNA variation of silver birch, Betula pendula

Cited by 158 publications

References 46 publications

Chloroplast DNA variation of Betula humilis Schrk. in Poland and Belarus

Chloroplast DNA variation of Betula humilis Schrk. in Poland and Belarus

Birches

Landscape genetics of the tropical willowSalix humboldtiana: influence of climate, salinity, and orography in an altitudinal gradient

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