Mediterranean Lithophyllum stictiforme (Corallinales, Rhodophyta) is a genetically diverse species complex: implications for species circumscription, biogeography and conservation of coralligenous habitats
Autor: | Paul W. Gabrielson, Sara Kaleb, Line Le Gall, Annalisa Falace, Carlo Cerrano, Daniela Basso, Viviana Peña, Fabio Rindi, Laura Pezzolesi, Jazmin J. Hernandez-Kantun, Jeffery R. Hughey, Graziella Rodondi |
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Přispěvatelé: | Pezzolesi, L, Peña, V, Le Gall, L, Gabrielson, P, Kaleb, S, Hughey, J, Rodondi, G, Hernandez-Kantun, J, Falace, A, Basso, D, Cerrano, C, Rindi, F, Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Alma Mater Studiorum Università di Bologna [Bologna] (UNIBO), Universidade da Coruña, Institut de Systématique, Evolution, Biodiversité (ISYEB ), Muséum national d'Histoire naturelle (MNHN)-École pratique des hautes études (EPHE), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université des Antilles (UA), University of North Carolina [Chapel Hill] (UNC), University of North Carolina System (UNC), Dipartimento di Scienze della Vita, Università di Trieste, Hartnell College, Università degli Studi di Milano, Dipartimento di Bioscienze, Botany Department, National Museum of Natural History, Smithsonian Institution, Department of Life Science [Trieste], Dipartimento di Scienze dell'Ambiente e della Terra, Università degli Studi di Milano-Bicocca [Milano] (UNIMIB), Dipartimiento per lo Studio del Territorio e delle sue Risorse, University of Genoa (UNIGE), Dipartimento di Scienze della Vita e dell’Ambiente, Università Politecnica delle Marche, Pezzolesi, L., Peña, V., Line Le Gall, L., Paul W. Gabrielson, Sara Kaleb, Jeffery R. Hughey,Graziella Rodondi, Jazmin J. Hernandez-Kantun, Annalisa Falace, Daniela Basso, Cerrano, C., Rindi, F., Pezzolesi, Laura, Peña, Viviana, Le Gall, Line, Gabrielson, Paul W., Kaleb, Sara, Hughey, Jeffery R., Rodondi, Graziella, Hernandez‐kantun, Jazmin J., Falace, Annalisa, Basso, Daniela, Cerrano, Carlo, Rindi, Fabio |
Jazyk: | angličtina |
Rok vydání: | 2019 |
Předmět: |
0106 biological sciences
Mediterranean climate Species complex Salinity ecosystem engineers rbcL Allopatric speciation psbA rb Plant Science Aquatic Science GEO/01 - PALEONTOLOGIA E PALEOECOLOGIA 010603 evolutionary biology 01 natural sciences Ecosystem engineer ecosystem engineer Mediterranean sea Mediterranean Sea cox2 3 biogenic habitats biogeography coralline algae cox2 3 cryptic species ecosystem engineers molecular phylogeny psbA rbcL 14. Life underwater biogeography coralline algae biogeography molecular phylogeny Ecosystem Phylogeny biogenic habitats s ecosystem engineers Coralline algae species cryptic species biology Ecology 010604 marine biology & hydrobiology cryptic specie Coralline algae Species diversity Sequence Analysis DNA [SDV.BV.BOT]Life Sciences [q-bio]/Vegetal Biology/Botanics cox2 3 biology.organism_classification psbA cox2 cox3 Rhodophyta Lithophyllum biogenic habitat coralline algae |
Zdroj: | Journal of Phycology Journal of Phycology, Wiley, 2019, 55 (2), pp.473-492. ⟨10.1111/jpy.12837⟩ |
ISSN: | 0022-3646 1529-8817 |
Popis: | International audience; Lithophyllum species in the Mediterranean Sea function as algal bioconstructors, contributing to the formation of biogenic habitats such as coralligenous concretions. In such habitats, thalli of Lithophyllum, consisting of crusts or lamellae with entire or lobed margins, have been variously referred to as either one species, L. stictiforme, or two species, L. stictiforme and L. cabiochiae, in the recent literature. We investigated species diversity and phylogenetic relationships in these algae by sequencing three markers (psbA and rbcL genes, cox2,3 spacer), in conjunction with methods for algorithmic delimitation of species (ABGD and GMYC). Mediterranean subtidal Lithophyllum belong to a well‐supported lineage, hereby called the L. stictiforme complex, which also includes two species described from the Atlantic, L. lobatum and L. searlesii. Our results indicate that the L. stictiforme complex consists of at least 13 species. Among the Mediterranean species, some are widely distributed and span most of the western and central Mediterranean, whereas others appear to be restricted to specific localities. These patterns are interpreted as possibly resulting from allopatric speciation events that took place during the Messinian Salinity Crisis and subsequent glacial periods. A partial rbcL sequence from the lectotype of L. stictiforme unambiguously indicates that this name applies to the most common subtidal Lithophyllum in the central Mediterranean. We agree with recent treatments that considered L. cabiochiae and L. stictiforme conspecific. The diversity of Lithophyllum in Mediterranean coralligenous habitats has been substantially underestimated, and future work on these and other Mediterranean corallines should use identifications based on DNA sequences. |
Databáze: | OpenAIRE |
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