A collaborative backbone resource for comparative studies of subterranean evolution: The World Asellidae database - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Journal Articles Molecular Ecology Resources Year : 2023

A collaborative backbone resource for comparative studies of subterranean evolution: The World Asellidae database

Louis Duchemin
David Eme
Colin Issartel
  • Function : Author
Fabio Stoch
Boris Sket
Sanja Gottstein
Teo Delić
Maja Zagmajster
Dmitry Palatov
Kaloust Paragamian
Lee Knight
  • Function : Author
Francois Lefebvre
  • Function : Author
Mohammad‐javad Malek Hosseini
Ana Camacho
Begoña Gartzia de Bikuña
Amina Taleb
Nouria Belaidi
Raoul Tuekam Kayo
Diana Maria Paola Galassi
Oana Teodora Moldovan
Christophe Douady
Florian Malard

Abstract

Abstract Transition to novel environments, such as groundwater colonization by surface organisms, provides an excellent research ground to study phenotypic evolution. However, interspecific comparative studies on evolution to groundwater life are few because of the challenge in assembling large ecological and molecular resources for species‐rich taxa comprised of surface and subterranean species. Here, we make available to the scientific community an operational set of working tools and resources for the Asellidae, a family of freshwater isopods containing hundreds of surface and subterranean species. First, we release the World Asellidae database (WAD) and its web application, a sustainable and FAIR solution to producing and sharing data and biological material. WAD provides access to thousands of species occurrences, specimens, DNA extracts and DNA sequences with rich metadata ensuring full scientific traceability. Second, we perform a large‐scale dated phylogenetic reconstruction of Asellidae to support phylogenetic comparative analyses. Of 424 terminal branches, we identify 34 pairs of surface and subterranean species representing independent replicates of the transition from surface water to groundwater. Third, we exemplify the usefulness of WAD for documenting phenotypic shifts associated with colonization of subterranean habitats. We provide the first phylogenetically controlled evidence that body size of males decreases relative to that of females upon groundwater colonization, suggesting competition for rare receptive females selects for smaller, more agile males in groundwater. By making these tools and resources widely accessible, we open up new opportunities for exploring how phenotypic traits evolve in response to changes in selective pressures and trade‐offs during groundwater colonization.

Dates and versions

hal-04313500 , version 1 (29-11-2023)

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Nathanaelle Saclier, Louis Duchemin, Lara Konecny-Dupré, Philippe Grison, David Eme, et al.. A collaborative backbone resource for comparative studies of subterranean evolution: The World Asellidae database. Molecular Ecology Resources, 2023, 24 (1), ⟨10.1111/1755-0998.13882⟩. ⟨hal-04313500⟩
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