Chloroplast DNA Phylogeography of the Common Beech (Fagus sylvatica L.) in Europe

Demesure, Brigitte; Comps, Bernard; Petit, Rémy J.

doi:10.2307/2410719

Cited by 274 publications

(322 citation statements)

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“…The isolation and differentiation of lineages observed within S. spicatum, and other species that have been investigated (Byrne et al, 1999(Byrne et al, , 2001b(Byrne et al, , 2002, is consistent with the hypothesis that cyclic contraction and expansion of the arid region in the northeast, and the mesic region in the south-west, during the Pleistocene era led to fragmentation and isolation in the intermediate area between the arid and mesic zones (Hopper, 1979;Hopper et al, 1996). Comparative phylogeographic studies in other parts of the world have also demonstrated broad biogeographic influences, including common postglacial colonisation routes in Europe (Ferris et al, 1993Demesure et al, 1996;Dumolin-Lapègue et al, 1997;King and Ferris, 1998) and northern and southern glacial refugia in the Pacific North West of America (Soltis et al, 1997). There were differences in the level of differentiation within the two lineages in S. spicatum.…”

Section: Discussionmentioning

confidence: 97%

Phylogeography and divergence in the chloroplast genome of Western Australian Sandalwood (Santalum spicatum)

Byrne¹,

MacDonald²,

Brand³

2003

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Western Australian sandalwood (Santalum spicatum) is widespread throughout Western Australia across the semiarid and arid regions. The diversity and phylogeographic patterns within the chloroplast genome of S. spicatum were investigated using restriction fragment length polymorphism analysis of 23 populations. The chloroplast diversity was structured into two main clades that were geographically separated, one centred in the southern (semiarid region) and the other in the northern (arid) region. Fragmentation due to climatic instability was identified as the most likely influence on the differentiation of the lineages. The lineage in the arid region showed a greater level of differentiation than that in the southern region, suggesting a higher level of gene flow or a more recent range expansion of sandalwood in the southern region. The phylogeographic pattern in the chloroplast genome is congruent with that detected in the nuclear genome, which identified different genetic influences between the regions and also suggested a more recent expansion of sandalwood in the southern region.

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Section: Discussionmentioning

confidence: 97%

Phylogeography and divergence in the chloroplast genome of Western Australian Sandalwood (Santalum spicatum)

Byrne¹,

MacDonald²,

Brand³

2003

Heredity

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“…This contrasts with the situation for chloroplast DNA where mutation rates are generally much lower and long periods of genetic isolation, amounting to many cycles of glaciation and deglaciation, may be needed for cpDNA divergence to accumulate between refugial populations (Ferris et al, 1993;Petit et al, 1993b). However, mtDNA analysis in plants cannot give the powerful phylogenetic perspective on population history provided by analysis of cpDNA (Demesure et al, 1996;van Dijk & Bakx-Schotman, 1997). Nevertheless when used in conjunction with a range of other markers it is a useful tool for reconstructing recent population history.…”

Section: Discussionmentioning

confidence: 98%

Multiple origins for Scots pine (Pinus sylvestris L.) in Scotland: evidence from mitochondrial DNA variation

1998

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Data from the pollen record and from two forms of nuclear genetic markers suggest that present-day populations of Scots pine (Pinus sylvestris L.) in Scotland were derived from more than one refugium after glaciation. In order to clarify this issue, genetic variation for maternally inherited mitochondrial DNA (mtDNA) was studied in 466 trees sampled from 20 natural populations in Scotland. A homologous probe for the cox1 mitochondrial gene of P. sylvestris was constructed and used to detect mtDNA RFLP variation. Two common (a and b) and one rare RFLP variant (c) were distinguished. Evidence from segregation patterns of variants within a polymorphic population was consistent with maternal inheritance of the RFLP variation. A survey of Scottish populations indicates that mitotype a is present at all sites, but that mitotype b is confined to three western populations. Genetic differentiation for mtDNA, which migrates solely by seed is much greater (F ST(m) = 0.370) than for nuclear markers (F ST(b) = 0.028) which are dispersed by both pollen and seed. The geographical distribution of mitotype b in western Scotland, and its absence from populations in northern France and Germany, suggest that P. sylvestris has been derived not only from continental Europe via England, but also by migration from a western refugium, probably in Ireland or western France.

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“…Most diversity is lost within the first stages of colonization, which coincides with negotiation of large physical barriers (Pyrenees, Alps, Carpathians) but once past these, almost all cpDNA types are then transferred to northern latitudes. Studies of cpDNA variation in other European trees have found 13 haplotypes in refugial populations of Alnus glutinosa with only two found in northern Europe (King and Ferris, 1998), and samples from Fagus sylvatica consisted of 11 haplotypes in refugia but only one in northern populations (Demesure et al, 1996). Therefore, long-distance dispersal may not be able to mitigate loss of alleles and diversity in certain circumstances.…”

Section: S Davies Et Almentioning

confidence: 99%

An investigation into effects of long-distance seed dispersal on organelle population genetic structure and colonization rate: a model analysis

Davies

White

Lowe³

2004

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A simulation-based modelling approach is used to examine the effects of stratified seed dispersal (representing the distribution of the majority of dispersal around the maternal parent and also rare long-distance dispersal) on the genetic structure of maternally inherited genomes and the colonization rate of expanding plant populations. The model is parameterized to approximate postglacial oak colonization in the UK, but is relevant to plant populations that exhibit stratified seed dispersal. The modelling approach considers the colonization of individual plants over a large area (three 500 km Â 10 km rolled transects are used to approximate a 500 km Â 300 km area). Our approach shows how the interaction of plant population dynamics with stratified dispersal can result in a spatially patchy haplotype structure. We show that while both colonization speeds and the resulting genetic structure are influenced by the characteristics of the dispersal kernel, they are robust to changes in the periodicity of long-distance events, provided the average number of long-distance dispersal events remains constant. We also consider the effects of additional physical and environmental mechanisms on plant colonization. Results show significant changes in genetic structure when the initial colonization of different haplotypes is staggered over time and when a barrier to colonization is introduced. Environmental influences on survivorship and fecundity affect both the genetic structure and the speed of colonization. The importance of these mechanisms in relation to the postglacial spread and genetic structure of oak in the UK is discussed.

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Chloroplast DNA Phylogeography of the Common Beech (Fagus sylvatica L.) in Europe

Cited by 274 publications

References 0 publications

Phylogeography and divergence in the chloroplast genome of Western Australian Sandalwood (Santalum spicatum)

Phylogeography and divergence in the chloroplast genome of Western Australian Sandalwood (Santalum spicatum)

Multiple origins for Scots pine (Pinus sylvestris L.) in Scotland: evidence from mitochondrial DNA variation

An investigation into effects of long-distance seed dispersal on organelle population genetic structure and colonization rate: a model analysis

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