Phylogeography of an estuarine mysid, <i>Neomysis integer</i> (Crustacea, Mysida), along the north‐east Atlantic coasts

Remerie, Thomas; Vierstraete, Andy; Weekers, Peter H. H.; Vanfleteren, Jacques R.; Vanreusel, Ann

doi:10.1111/j.1365-2699.2008.01970.x

Cited by 37 publications

(41 citation statements)

References 101 publications

(167 reference statements)

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“…The Brittany/English Channel area is also a wellknown refuge for marine species (Coyer et al 2003, Provan et al 2005, Chevolot et al 2006, Hoarau et al 2007, Remerie et al 2009, Campo et al 2010, Olsen et al 2010, Krakau et al 2012. Scrobicularia plana also appears to have had a refuge population in this area as suggested by the high haplotype diversity of the Brittany sample, with only 2 southern populations presenting higher values.…”

Section: The Last Glacial Maximummentioning

confidence: 88%

Isolation by distance and low connectivity in the peppery furrow shell Scrobicularia plana (Bivalvia)

Santos¹,

Cruzeiro²,

Olsen³

et al. 2012

Mar. Ecol. Prog. Ser.

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Scrobicularia plana da Costa, 1778, a commercially important bivalve species in southern Europe, is commonly found along the NE Atlantic and Mediterranean coasts. Like other intertidal mollusk species, it has a wide distributional range and high potential for larval dispersal. However, S. plana has a patchier distribution than most co-distributed soft sediment bivalves of the intertidal, which could lead to lower interpopulation connectivity and stronger population structure. We surveyed 18 locations from throughout the species' range to determine overall population structure, phylogeographic distribution and historical demography. We sequenced a portion of the mitochondrial cytochrome-c-oxidase I gene (COI) for 423 individuals. Three population clusters (Trondheim, Atlantic and Pisa) were identified on the basis of pairwise F ST s. Demographic parameters were analysed in a coalescence framework. Strong differentiation was found between most Atlantic locations and the single Mediterranean location (Pisa). Among Atlantic locations, differentiation was weak and non-significant, though significant isolation-by-distance was detected. A star-shaped phylogeny with mostly 1-step mutations was found. Although 65 haplotypes were detected, 50 were private. The higher diversity observed in southern Europe, Brittany and Norway was consistent with glacial refugia. Population expansion occurred recently with the oldest split, which was between all Atlantic groups and the Mediterranean group, taking place 0.3 to 1.1 million years ago (Myr). Negative values for neutrality tests and the star-shaped haplotype network were also indicative of recent population expansion, although such a pattern can also be the result of a selective sweep. An isolation-by-distance effect and absence of migration reveal low interpopulation connectivity, which is likely reinforced by the species' patchy spatial distribution.KEY WORDS: Scrobicularia plana · Mitochondrial DNA · Genetic structure · Phylogeography · Glacial refugiaResale or republication not permitted without written consent of the publisher

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Section: The Last Glacial Maximummentioning

confidence: 88%

Isolation by distance and low connectivity in the peppery furrow shell Scrobicularia plana (Bivalvia)

Santos¹,

Cruzeiro²,

Olsen³

et al. 2012

Mar. Ecol. Prog. Ser.

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“…Consequently, loss of the Iberian populations of C. crispus might have a major detrimental effect on the evolutionary potential of the species. This might also apply to other marine organisms that have recently been shown to possess unique genetic variation in Iberian populations, such as the seaweeds Palmaria palmata [27] and F. serratus [28], the ascidian Botryllus schlosseri [52], the bryozoan Celleporella hyalina [46], the sand goby Pomatoschistus minutus [53], and the mysid Neomysis integer [54].…”

Section: Discussionmentioning

confidence: 99%

Unique genetic variation at a species' rear edge is under threat from global climate change

2011

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Global climate change is having a significant effect on the distributions of a wide variety of species, causing both range shifts and population extinctions. To date, however, no consensus has emerged on how these processes will affect the range-wide genetic diversity of impacted species. It has been suggested that species that recolonized from low-latitude refugia might harbour high levels of genetic variation in rear-edge populations, and that loss of these populations could cause a disproportionately large reduction in overall genetic diversity in such taxa. In the present study, we have examined the distribution of genetic diversity across the range of the seaweed Chondrus crispus, a species that has exhibited a northward shift in its southern limit in Europe over the last 40 years. Analysis of 19 populations from both sides of the North Atlantic using mitochondrial single nucleotide polymorphisms (SNPs), sequence data from two singlecopy nuclear regions and allelic variation at eight microsatellite loci revealed unique genetic variation for all marker classes in the rear-edge populations in Iberia, but not in the rear-edge populations in North America. Palaeodistribution modelling and statistical testing of alternative phylogeographic scenarios indicate that the unique genetic diversity in Iberian populations is a result not only of persistence in the region during the last glacial maximum, but also because this refugium did not contribute substantially to the recolonization of Europe after the retreat of the ice. Consequently, loss of these rear-edge populations as a result of ongoing climate change will have a major effect on the overall genetic diversity of the species, particularly in Europe, and this could compromise the adaptive potential of the species as a whole in the face of future global warming.

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“…Alternatively, a completely different pattern, involving two lines of re-colonization, is possible. In addition to the one from the East, a second front reached Central and Northern Europe from either Iberia ("brown bear paradigm"; Hewitt, 1999) or refugia on the British Isles (there is growing evidence of unglaciated areas on the British Isles during the last ice age: e.g., Sinclair et al, 1998;Stewart & Lister, 2001;Hän-fling et al, 2002;Murton & Lautridou, 2003;Hoarau et al, 2007;Remerie et al, 2009). The location of the contact zone is similar to that hypothesized for the butterfly Maniola jurtina , which, however, expanded only from southern refugia (not from the British Isles).…”

Section: Postglacial Re-colonizationmentioning

confidence: 99%

The aquatic leaf beetle Macroplea mutica (Coleoptera: Chrysomelidae) in Europe: Population structure, postglacial colonization and the signature of passive dispersal

Mende¹,

Biström²,

Meichssner³

et al. 2010

Eur. J. Entomol.

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Abstract. The pattern of postglacial re-colonization of Europe and the present population structure are known for various plant and animal species. The reed beetle Macroplea mutica (Fabricius, 1792) has characteristics that should influence both aspects in a peculiar way and therefore complement the currently known scenarios: It is fully aquatic but cannot swim or fly. Samples from 25 European populations of M. mutica and five specimens from China were investigated using amplified fragment length polymorphism (AFLP, 251 loci). Assessment of error rates associated with this method showed that the data set contains a strong population genetic signal. As hypothesized pronounced population differentiation and signs of inbreeding were found. Italian populations are clearly differentiated from northern populations (and from each other), which underlines the role of the Alps as a major barrier. Specimens from Lake Balaton (Hungary) show some affiliation with the populations in the Baltic Sea, which are all relatively similar. Populations from the eastern part of Northern Germany are similar to the Baltic populations, while those from the western part are allied to the British populations. The hypothesis is that the recolonization of Europe was from both the Southeast and a western refugium in the area of present-day southern England or Ireland, which resulted in a suture zone in Northern Germany. The effect of passive dispersal by drift attached to host plant material (especially in the Baltic Sea) and by zoochory (migrating waterfowl) is discussed.

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Phylogeography of an estuarine mysid, Neomysis integer (Crustacea, Mysida), along the north‐east Atlantic coasts

Cited by 37 publications

References 101 publications

Isolation by distance and low connectivity in the peppery furrow shell Scrobicularia plana (Bivalvia)

Isolation by distance and low connectivity in the peppery furrow shell Scrobicularia plana (Bivalvia)

Unique genetic variation at a species' rear edge is under threat from global climate change

The aquatic leaf beetle Macroplea mutica (Coleoptera: Chrysomelidae) in Europe: Population structure, postglacial colonization and the signature of passive dispersal

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