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A propos du complexe Festuca S.L.- Lolium (poaceae) / René Siffointe in Bulletin mycologique et botanique Dauphiné-Savoie, n°252 (64ème année, 1er trimestre 2024)

Public [article]  inBulletin mycologique et botanique Dauphiné-Savoie > n°252 (64ème année, 1er trimestre 2024) . - pp. 17-23 Titre : A propos du complexe Festuca S.L.- Lolium (poaceae) Auteurs : René Siffointe, Auteur Année de publication : 2024 Article en page(s) : pp. 17-23 Langues : Français (fre) Catégories : [Espèces (in biblio)] Lolium arundinaceum [Espèces (in biblio)] Lolium perenne [Espèces (in biblio)] Schedonnardus Mots-clés : hybridation  phylogénétique Résumé : "L'auteur raconte trois histoires à propos des Lolium. Dans la première de celles-ci, il présente les noms et les expressions concernant les espèces ; dans la deuxième il étudie les caractéristiques de l'épillet des Lolium ; dans la troisième, il précise la phylogénétique du complexe Festuca- Lolium." (source : auteur) Type de publication : périodique Référence biblio : Siffointe R., 2024 - A propos du complexe Festuca S.L.- Lolium (poaceae). Bulletin mycologique et botanique Dauphiné-Savoie, 252 : 17-23. ID PMB : 71849 Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=71849 [article]

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Cote	Localisation	Disponibilité
P0274	Brest	Disponible

Circumscription and phylogeny of Apiaceae subfamily Saniculoideae based on chloroplast DNA sequences / Carolina I. Calviño in Molecular Phylogenetics and Evolution, vol. 44, n°1 (Année 2007)

Public [article]  inMolecular Phylogenetics and Evolution > vol. 44, n°1 (Année 2007) . - pp. 175-191 Titre : Circumscription and phylogeny of Apiaceae subfamily Saniculoideae based on chloroplast DNA sequences Auteurs : Carolina I. Calviño, Auteur ; Stephen R. Downie, Auteur Année de publication : 2007 Article en page(s) : pp. 175-191 Langues : Anglais (eng) Catégories : [Espèces (in biblio)] Apiaceae [Espèces (in biblio)] Astrantia [Espèces (in biblio)] Eryngium [Espèces (in biblio)] Sanicula Mots-clés : phylogénétique Résumé : "An estimate of phylogenetic relationships within Apiaceae subfamily Saniculoideae was inferred using data from the chloroplast DNA trnQ-trnK 5′-exon region to clarify the circumscription of the subfamily and to assess the monophyly of its constituent genera. Ninety-one accessions representing 14 genera and 82 species of Apiaceae were examined, including the genera Steganotaenia, Polemanniopsis, and Lichtensteinia which have been traditionally treated in subfamily Apioideae but determined in recent studies to be more closely related to or included within subfamily Saniculoideae. The trnQ-trnK 5′-exon region includes two intergenic spacers heretofore underutilized in molecular systematic studies and the rps16 intron. Analyses of these loci permitted an assessment of the relative utility of these noncoding regions (including the use of indel characters) for phylogenetic study at different hierarchical levels. The use of indels in phylogenetic analyses of both combined and partitioned data sets improves resolution of relationships, increases bootstrap support values, and decreases levels of overall homoplasy. Intergeneric relationships derived from maximum parsimony, Bayesian, and maximum likelihood analyses, as well as from maximum parsimony analysis of indel data alone, are fully resolved and consistent with one another and generally very well supported. We confirm the expansion of subfamily Saniculoideae to include Steganotaenia and Polemanniopsis (as the new tribe Steganotaenieae C.I. Calviño and S.R. Downie) but not Lichtensteinia. Sister group to tribe Steganotaenieae is tribe Saniculeae, redefined to include the genera Actinolema, Alepidea, Arctopus, Astrantia, Eryngium, Petagnaea, and Sanicula. With the synonymization of Hacquetia into Sanicula, all genera are monophyletic. Eryngium is divided into “Old World” and “New World” subclades and within Astrantia sections Astrantia and Astrantiella are monophyletic." (source : auteurs) Type de publication : périodique Référence biblio : Calviño C., Downie S., 2007 - Circumscription and phylogeny of Apiaceae subfamily Saniculoideae based on chloroplast DNA sequences. Molecular Phylogenetics and Evolution, 44 (1) : 175-191. ID PMB : 72251 Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=72251 [article]

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Cytogenetic, geographical, spore type and plastid haplotype data reveal cryptic patterns of species diversity in the cosmopolitan Cystopteris fragilis complex (Polypodiopsida: Cystopteridaceae) / Libor Ekrt in Botanical Journal of the Linnean Society, vol. 199, n°3 (Année 2022)

Public [article]  inBotanical Journal of the Linnean Society > vol. 199, n°3 (Année 2022) . - pp. 728-739 Titre : Cytogenetic, geographical, spore type and plastid haplotype data reveal cryptic patterns of species diversity in the cosmopolitan Cystopteris fragilis complex (Polypodiopsida: Cystopteridaceae) Type de document : texte imprimé Auteurs : Libor Ekrt, Auteur ; Jiri Kosnar, Auteur ; Carl J. Rothfels, Auteur ; Kristýna Hanušová (Hanusova), Auteur ; Ondřej Hornych, Auteur ; Tomas Urfus, Auteur Année de publication : 2022 Article en page(s) : pp. 728-739 Langues : Anglais (eng) Catégories : [Espèces (in biblio)] Cystopteris dickieana [Espèces (in biblio)] Cystopteris fragilis [Thèmes] Ptéridophytes (fougère, prêle, lycopode, isoète, sélaginelle) [Thèmes] Taxonomie Mots-clés : cytogénétique, cytotaxonomie  hybridation  polyploïdie  Spore  ADN chloroplastique  phylogénétique Résumé : "The delimitation of lineages in the Cystopteris fragilis complex is complicated by the presence of multiple cytotypes and a lack of defining morphological characters. One character, the production of rugose instead of regular spiny spores, is sometimes associated with a potential Scottish endemic, C. dickieana; however, whether this character is associated with a distinct lineage is uncertain. To better understand the diversity in the C. fragilis complex, we selected 87 C. fragilis samples of known ploidy (4x, 5x, 6x) for sequencing of two plastid loci and we assessed their spore types. These samples represent the variability found in Northern Hemisphere populations, including the type locality of C. dickieana in Scotland. Our analyses revealed two haplotype lineages, which we label the hemifragilis and reevesiana clades, based on their potential relationship to the two presumed diploid parents of C. fragilis. Hexaploids and tetraploids were both polyphyletic. Rugose spores were rarer overall (26% of samples), but five times more prevalent in the hemifragilis clade. Although proper delimitation and understanding of C. fragilis remains a challenge, this study further describes great genotypic and cytotypic complexity present in this complex. Furthermore, rugose-spored plants are widely distributed and should not be associated with a single name." (source : auteurs) Type de publication : périodique Référence biblio : Ekrt L., Kosnar J., Rothfels C., Hanušová K., Hornych O., Urfus T., 2022 - Cytogenetic, geographical, spore type and plastid haplotype data reveal cryptic patterns of species diversity in the cosmopolitan Cystopteris fragilis complex (Polypodiopsida: Cystopteridaceae). Biological Journal of the Linnean Society, 199 (3) : 728-739. ID PMB : 71474 DOI : 10.1093/botlinnean/boab078 Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=71474 [article]

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How many orchid species are currently native to the British Isles ? / Richard M. Bateman

Public in Current taxonomic research on the British & European Flora (Leicester, 13-14 September 2003) / John Bailey (2006) Titre : How many orchid species are currently native to the British Isles ? Type de document : texte imprimé Auteurs : Richard M. Bateman, Auteur Importance : pp. 89-110 Langues : Anglais (eng) Catégories : [Espèces (in biblio)] Orchidaceae [ZG] Europe [Thèmes] Génétique Mots-clés : classification  DNA  phylogénétique  population génétique Résumé : "The British Isles probably host the most intensively studied flora in the world, and within that flora the Orchidaceae has long been the most intensively studied family. Nonetheless, molecular phylogenetic studies performed only during the last decade have revolutionised our understanding of species relationships among European orchids, eliminating former monotypic genera such as Aceras, Coe/oglossum and Hammarbya, apportioning many former Orchis species to expanded concepts of Anacamptis and Neotinea, and combining 'Listera' into Neottia. Emphasis has now switched from species comparison to species delimitation, integrating morphometric approaches with population genetic techniques via simultaneous ordinations. Early results suggest that several distinct speciation mechanisms operate within the British and Irish orchid flora, and challenge the validity of several 'Schedule 8' species. No meaningful differences exist between British Dactylorhiza 'lapponica' and D. 'traunsteineri' , and neither represents the same allopolyploid speciation event as D. traunsteineri from the type locality in Austria. AIso, contrary to the recent Atlas of the British & Irish flora, D. majalis s.s. does not occur in the British Isles. By contrast, three habitat 'races' within Gymnadenia merit species status. Epipactis 'youngiana' is not reliably distinct from E. helleborine, whereas the autogamous E. leptochila and E. dunensis both warrant species status, alongside E. sancta recently described from Lindisfame. Controversial taxa are either widely recognised but lack biological cohesion (Emperor's New Clothes species), rarely if ever recognised but possess biological cohesion (Cinderella species, including Robinson Crusoe species recently diverged on islands such as Dactylorhiza ebudensis), or are migrating northward, presumably in response to climate change (Bleriot species, such as Serapias parviflora). Recent arrivaIs by origination or migration are partly negated by extirpation of longer established species, notably Spiranthes aestivalis and arguably Epipogium aphyllum. Present evidence suggests that the orchid flora of the British Isles (excluding the iogeographically French Channel Islands) currently consists of52 species in 20 genera; these taxa are herein reclassified in anticipation of the third edition of Stace's Flora." (source : auteur) Type de publication : article de livre Référence biblio : Bateman R., 2006 - How many orchid species are currently native to the British Isles ? In : Bailey J., Ellis G., Eds, 2006 - Current taxonomic research on the British & European Flora (Leicester, 13-14 September 2003). London : Botanical Society of the British Isles, 89-110. ID PMB : 6456 Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=6456

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Integrating restriction site-associated DNA sequencing (RAD-seq) with morphological cladistic analysis clarifies evolutionary relationships among major species groups of bee orchids / Richard M. Bateman in Annals of Botany, vol. 121, n°1 (Année 2018)  

Public [article]  inAnnals of Botany > vol. 121, n°1 (Année 2018) . - pp. 85-105 Titre : Integrating restriction site-associated DNA sequencing (RAD-seq) with morphological cladistic analysis clarifies evolutionary relationships among major species groups of bee orchids Type de document : texte imprimé Auteurs : Richard M. Bateman, Auteur ; Gábor Sramkó, Auteur ; Ovidiu Paun, Auteur Année de publication : 2018 Article en page(s) : pp. 85-105 Langues : Anglais (eng) Catégories : [Espèces (in biblio)] Ophrys Mots-clés : biogéographie  évolution  morphologie  phylogénétique  systématique  pseudo-copulation  séquençage génétique Résumé : "Bee orchids (Ophrys) have become the most popular model system for studying reproduction via insect-mediated pseudo-copulation and for exploring the consequent, putatively adaptive, evolutionary radiations. However, despite intensive past research, both the phylogenetic structure and species diversity within the genus remain highly contentious. Here, we integrate next-generation sequencing and morphological cladistic techniques to clarify the phylogeny of the genus. ... The comparatively high level of morphological homoplasy reflects extensive convergence, whereas the derived placement of the fusca group is attributed to paedomorphic simplification. The phenotype of the most recent common ancestor of the extant lineages is inferred, but it post-dates the majority of the character-state changes that typify the genus. RAD-seq may represent the high-water mark of the contribution of molecular phylogenetics to understanding evolution within Ophrys; further progress will require large-scale population-level studies that integrate phenotypic and genotypic data in a cogent conceptual framework." (source : auteurs) Type de publication : périodique Référence biblio : Bateman R., Sramkó G., Paun O., 2018 - Integrating restriction site-associated DNA sequencing (RAD-seq) with morphological cladistic analysis clarifies evolutionary relationships among major species groups of bee orchids. Annals of Botany, 121 (1) : 85-105. En ligne : https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5786241/pdf/mcx129.pdf Format de la ressource électronique : document Permalink : http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=67821 [article]

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Intra-species comparaison of Marsilea minuta L. and Marsilea quadrifolia L. using RAPD markers to analyse the genetic variations / Sharad D. Pawar in International journal of pharmacy and pharmaceutical sciences, vol. 6, n°2 (Mars 2014)  

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Molecular confirmation of Helosciadium×moorei (H. inundatum x H. nodiflorum; Apiaceae) from County Cork, Ireland / Stuart Desjardins in New Journal of botany, vol. 6, n°2-3 (Année 2016)

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Molecular Phylogenetic Relationships and Morphological Evolution in the Heterosporous Fern Genus Marsilea / Nathalie S. Nagalingum in Systematic Botany, vol. 32, n°1 (Année2007)

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Northern Hemisphere disjunctions in Lactuca (Cichorieae, Asteraceae) : independent Eurasia to North America migrations and allopolyploidization / Kathy E. Jones in Willdenowia, vol. 48, n°2 (Année 2018)

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Phylogenomic analyses based on genome-skimming data reveal cyto-nuclear discordance in the evolutionary history of Cotoneaster (Rosaceae) / Kai-Kai Meng in Molecular Phylogenetics and Evolution, vol. 158 (Année 2021)

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La taxinomie à la lumière de l'évolution des plantes supérieures / Daniel Prat (2008)

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