Pre‐introduction introgression contributes to parallel differentiation and contrasting hybridization outcomes between invasive and native marine mussels

Popovic, Iva; Bierne, Nicolas; Gaiti, Federico; Tanurdžić, Miloš; Riginos, Cynthia

doi:10.1111/jeb.13746

Cited by 12 publications

(12 citation statements)

References 135 publications

(348 reference statements)

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“…There are few studies that focus on parallel selection between invasive and native ranges within the same species, with research often focused on parallel changes across independent introductions to better understand invasion mechanisms (Popovic et al, 2021 ; Stern & Lee, 2020 ). Here we examined signatures of parallel selection to better understand the types of selection pressures on a globally widespread species.…”

Section: Discussionmentioning

confidence: 99%

Historical museum samples enable the examination of divergent and parallel evolution during invasion

et al. 2022

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During the Anthropocene, Earth has experienced unprecedented habitat loss, native species decline and global climate change. Concurrently, greater globalization is facilitating species movement, increasing the likelihood of alien species establishment and propagation. There is a great need to understand what influences a species' ability to persist or perish within a new or changing environment. Examining genes that may be associated with a species' invasion success or persistence informs invasive species management, assists with native species preservation and sheds light on important evolutionary mechanisms that occur in novel environments. This approach can be aided by coupling spatial and temporal investigations of evolutionary processes. Here we use the common starling, Sturnus vulgaris, to identify parallel and divergent evolutionary change between contemporary native and invasive range samples and their common ancestral population. To do this, we use reduced-representation sequencing of native samples collected recently in northwestern Europe and invasive samples from Australia, together with museum specimens sampled in the UK during the mid-19th century. We found evidence of parallel selection on both continents, possibly resulting from common global selective forces such as exposure to pollutants. We also identified divergent selection in these populations, which might be related to adaptive changes in response to the novel environment encountered in the introduced Australian range. Interestingly, signatures of selection are equally as common within both invasive and native range contemporary samples. Our results demonstrate the value of including historical samples in genetic studies of invasion and highlight the ongoing and occasionally parallel role of adaptation in both native and invasive ranges.

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Section: Discussionmentioning

confidence: 99%

Historical museum samples enable the examination of divergent and parallel evolution during invasion

et al. 2022

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“…In addition, our general knowledge about the history and distribution of marine species is strongly biased towards marine TA B L E 1 Manuscripts published in this special issue, with information about the focal taxa, type of environments and focal geographic/ oceanographic region for each study (Bierne et al, 2003;Popovic et al, 2021;Simon et al, 2021). Another taxon that has become a model in the study of ecotype evolution and ecological speciation comprises the gastropods of the genus…”

Section: Studying Speciation Across Diverse Marine Ecosystems and Tmentioning

confidence: 99%

“…Although Mollusca is the phylum with the highest number of marine species, information about genetic divergence and speciation in marine molluscs is limited to a few very common and easily accessible species. For example, mussels of the genus Mytilus form a complex system with multiple hybrid zones between various species that have been intensively studied (Bierne et al., 2003; Popovic et al., 2021; Simon et al., 2021). Another taxon that has become a model in the study of ecotype evolution and ecological speciation comprises the gastropods of the genus Littorina (Galindo et al., 2021; Johannesson, 2015; Kess et al., 2021; Stankowski et al., 2020; Westram et al., 2018).…”

Section: Diving Under the Surfacementioning

confidence: 99%

“…The recent access to large genomic data sets, which are information-rich and can be analysed using model-based inference tools, has proven very valuable in helping to distinguish alternative demographic scenarios also in marine taxa (e.g. Duranton et al, 2018;Le Moan et al, 2020;Momigliano et al, 2017;Popovic et al, 2021;Stankowski et al, 2020).…”

Section: Inferring the History Of Divergence And Speciationmentioning

confidence: 99%

“…The repeatability of differentiation among multiple introduced populations can also be informative about genomic signatures of reproductive barriers. In this volume, Popovic et al (2021) used transcriptome markers to characterize multiple introductions of Mytilus galloprovincialis across the world. Their results showed that pre-introduction introgression with M. edulis in its native range was important for shaping the genomic patterns of hybridization patterns between introduced and native species.…”

Section: Studying Hybridization and Introgressionmentioning

confidence: 99%

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Speciation in marine environments: Diving under the surface

Faria

Johannesson

Stankowski

2021

J of Evolutionary Biology

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Marine ecosystems harbour an important component of Earth's biodiversity. This is particularly well illustrated at high taxonomic levels, where 16 phyla are unique to the marine realm, whereas only one phylum is unique to terrestrial and none to freshwater environments (Jezkova & Wiens, 2017). Investigating the main processes underlying diversification in marine environments is thus crucial for a more general understanding of the origins and distribution of biodiversity. The study of how reproductive barriers between marine organisms accumulate resulting in new species in a broadly connected environment is also vital for the long-standing evolutionary debate concerning the importance of isolation by physical barriers in speciation. During most of the last century, our knowledge about the origin of species in the marine realm was very limited, with the exception of a few taxonomic groups (e.g. sea urchins; Mayr, 1954;

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Extensive introgression among strongylocentrotid sea urchins revealed by phylogenomics

Glasenapp,

Pogson

2023

Ecology and Evolution

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Gametic isolation is thought to play an important role in the evolution of reproductive isolation in broadcast‐spawning marine invertebrates. However, it is unclear whether gametic isolation commonly evolves early in the speciation process or only accumulates after other reproductive barriers are already in place. It is also unknown whether gametic isolation is an effective barrier to introgression following speciation. Here, we used whole‐genome sequencing data and multiple complementary phylogenomic approaches to test whether the well‐documented gametic incompatibilities among the strongylocentrotid sea urchins have limited introgression. We quantified phylogenetic discordance, inferred reticulate phylogenetic networks, and applied the Δ statistic using gene tree topologies reconstructed from multiple sequence alignments of protein‐coding single‐copy orthologs. In addition, we conducted ABBA–BABA tests on genome‐wide single nucleotide variants and reconstructed a phylogeny of mitochondrial genomes. Our results revealed strong mito‐nuclear discordance and considerable nonrandom gene tree discordance that cannot be explained by incomplete lineage sorting alone. Eight of the nine species examined demonstrated a history of introgression with at least one other species or ancestral lineage, indicating that introgression was common during the diversification of the strongylocentrotid urchins. There was strong support for introgression between four extant species pairs (Strongylocentrotus pallidus ⇔ S. droebachiensis, S. intermedius ⇔ S. pallidus, S. purpuratus ⇔ S. fragilis, and Mesocentrotus franciscanus ⇔ Pseudocentrotus depressus) and additional evidence for introgression on internal branches of the phylogeny. Our results suggest that the existing gametic incompatibilities among the strongylocentrotid urchin species have not been a complete barrier to hybridization and introgression following speciation. Their continued divergence in the face of widespread introgression indicates that other reproductive isolating barriers likely exist and may have been more critical in establishing reproductive isolation early in speciation.

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Pre‐introduction introgression contributes to parallel differentiation and contrasting hybridization outcomes between invasive and native marine mussels

Cited by 12 publications

References 135 publications

Historical museum samples enable the examination of divergent and parallel evolution during invasion

Historical museum samples enable the examination of divergent and parallel evolution during invasion

Speciation in marine environments: Diving under the surface

Extensive introgression among strongylocentrotid sea urchins revealed by phylogenomics

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