Hybridization and invasiveness in the freshwater snail <i>Melanoides tuberculata</i>: hybrid vigour is more important than increase in genetic variance

Facon, Benoît; Jarne, Philippe; Pointier, Jean‐Pierre; David, Patrice

doi:10.1111/j.1420-9101.2005.00887.x

Cited by 142 publications

(144 citation statements)

References 54 publications

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“…The capacity of foreign progeny to outcompete local individuals could be partly mediated by nonadditive effect for survival (Hänfling, 2007). This was not documented so far in marine fishes, but ecological success of interpopulation hybrids mediated by positive nonadditive genetic effects have been reported for, e.g., freshwater gastropods (Facon, Jarne, Pointier, & David, 2005) and amphibians (Fitzpatrick & Shaffer, 2007). Hence, evidence of positive nonadditive genetic effects in a marine cultured fish deserves further attention as they not only impact production, but may have unforeseen consequences on wild fish.…”

Section: Discussionmentioning

confidence: 93%

Metapopulation patterns of additive and nonadditive genetic variance in the sea bass (Dicentrarchus labrax)

Guinand

Vandeputte

Dupont‐Nivet³

et al. 2017

Ecology and Evolution

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Describing and explaining the geographic within‐species variation in phenotypes (“phenogeography”) in the sea over a species distribution range is central to our understanding of a variety of eco‐evolutionary topics. However, phenogeographic studies that have a large potential to investigate adaptive variation are overcome by phylogeographic studies, still mainly focusing on neutral markers. How genotypic and phenotypic data could covary over large geographic scales remains poorly understood in marine species. We crossed 75 noninbred sires (five origins) and 26 dams (two origins; each side of a hybrid zone) in a factorial diallel cross in order to investigate geographic variation for early survival and sex ratio in the metapopulation of the European sea bass (Dicentrarchus labrax), a highly prized marine fish species. Full‐sib families (N = 1,950) were produced and reared in a common environment. Parentage assignment of 7,200 individuals was performed with seven microsatellite markers. Generalized linear models showed significant additive effects for both traits and pleiotropy between traits. A significant nonadditive genetic effect was detected. Different expression of traits and distinct relative performances were found for reciprocal crosses involving populations located on each side of the main hybrid zone located at the Almeria‐Oran front, illustrating asymmetric reproductive isolation. The poor fitness performance observed for the Western Mediterranean population of sea bass is discussed as it represents the main source of seed hatchery production, but also because it potentially illustrates nonadaptive introgression and maladaptation.

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Section: Discussionmentioning

confidence: 93%

Metapopulation patterns of additive and nonadditive genetic variance in the sea bass (Dicentrarchus labrax)

Guinand

Vandeputte

Dupont‐Nivet³

et al. 2017

Ecology and Evolution

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“…Several studies have demonstrated the importance of maintaining endemic or native species in the conservation and recovery of natural areas as constituting a fundamental aspect of preserving the biodiversity of ecosystems and improving our understanding of their biotic and abiotic interaction processes (Pérez et al, 2003;Facon et al, 2005;Magalhães et al, 2005;Roman, 2006;Heborg et al, 2007).…”

Section: Discussionmentioning

confidence: 99%

Genetic polymorphism, molecular characterization and relatedness of Macrobrachium species (Palaemonidae) based on RAPD-PCR

Guerra

Lima²,

Taddei³

et al. 2010

Genet. Mol. Res.

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ABSTRACT. The prawn genus Macrobrachium belongs to the family Palaemonidae. Its species are widely distributed in lakes, reservoirs, floodplains, and rivers in tropical and subtropical regions of South America. Globally, the genus Macrobrachium includes nearly 210 known species, many of which have economic and ecological importance. We analyzed three species of this genus (M. jelskii, M. amazonicum and M. brasiliense) using RAPD-PCR to assess their genetic variability, genetic structure and the phylogenetic relationship between them and to look for molecular markers that enable separation of M. jelskii and M. amazonicum, which are closely related syntopic species. Ten different random decamer primers were used for DNA amplification, yielding 182 fragments. Three of these fragments were monomorphic and exclusive to M. amazonicum or M. jelskii and can be used as specific molecular markers to identify and separate these two species. Similarity indices and a phylogenetic tree showed that M. amazonicum and M. jelskii are closest to each other, while M. brasiliense was the most differentiated species among them; this may be attributed to the different habitat conditions to which these species have been submitted. This information will be useful for further studies on these important crustacean species.

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“…First, if hybrids are superior to parents in a particular habitat and capable of interbreeding with each other, they might become reproductively isolated (i.e. hybrids breed only with hybrids) from, and even competitively exclude, parental types [113]. Hybrid lineages might therefore occupy a restricted geographical area that is bounded by the parentals' ranges or they might actually displace parentals from a given habitat [35].…”

Section: Limitations On Hybridization's Role In Range Expansionsmentioning

confidence: 99%

Hybridization as a facilitator of species range expansion

Pfennig¹,

Kelly²,

Pierce³

2016

Proc. R. Soc. B.

142

152

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Explaining the evolution of species geographical ranges is fundamental to understanding how biodiversity is distributed and maintained. The solution to this classic problem in ecology and evolution remains elusive: we still do not fully know how species geographical ranges evolve and what factors fuel range expansions. Resolving this problem is now more crucial than ever with increasing biodiversity loss, global change and movement of species by humans. Here, we describe and evaluate the hypothesis that hybridization between species can contribute to species range expansion. We discuss how such a process can occur and the empirical data that are needed to test this hypothesis. We also examine how species can expand into new environments via hybridization with a resident species, and yet remain distinct species. Generally, hybridization may play an underappreciated role in influencing the evolution of species ranges. Whether-and to what extent-hybridization has such an effect requires further study across more diverse taxa.

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Hybridization and invasiveness in the freshwater snail Melanoides tuberculata: hybrid vigour is more important than increase in genetic variance

Cited by 142 publications

References 54 publications

Metapopulation patterns of additive and nonadditive genetic variance in the sea bass (Dicentrarchus labrax)

Metapopulation patterns of additive and nonadditive genetic variance in the sea bass (Dicentrarchus labrax)

Genetic polymorphism, molecular characterization and relatedness of Macrobrachium species (Palaemonidae) based on RAPD-PCR

Hybridization as a facilitator of species range expansion

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