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Ajouter le résultat dans votre panierDiscovery of cryptic plant diversity on the rooftops of the Alps / Florian C. Boucher in Scientific reports, 11 (2021)
Titre : Discovery of cryptic plant diversity on the rooftops of the Alps Type de document : Imprimé Auteurs : Florian C. Boucher ; Cédric Dentant (1976-) ; Sébastien Ibanez ; Thibaut Capblancq ; Martí Boleda ; Louise Boulangeat ; Jan Smyčka ; Cristina Roquet ; Sébastien Lavergne (1976-) Année de publication : 2021 Article en page(s) : 1-10 Langues : Anglais (eng) Catégories : [CBNPMP-Géographique] Alpes
[CBNPMP-Thématique] Chorologie, endémisme, cartographie d'espèce, atlas, catalogue, centre dispersion, région florale, migration
[CBNPMP-Thématique] Diversité génétique
[CBNPMP-Thématique] Groupement relictuelRésumé : High elevation temperate mountains have long been considered species poor owing to high extinction or low speciation rates during the Pleistocene. We performed a phylogenetic and population genomic investigation of an emblematic high-elevation plant clade (Androsace sect. Aretia, 31 currently recognized species), based on plant surveys conducted during alpinism expeditions. We inferred that this clade originated in the Miocene and continued diversifying through Pleistocene glaciations, and discovered three novel species of Androsace dwelling on different bedrock types on the rooftops of the Alps. This highlights that temperate high mountains have been cradles of plant diversity even during the Pleistocene, with in-situ speciation driven by the combined action of geography and geology. Our findings have an unexpected historical relevance: H.-B. de Saussure likely observed one of these species during his 1788 expedition to the Mont Blanc and we describe it here, over two hundred years after its first sighting. Lien pérenne : DOI : 10.1038/s41598-021-90612-w / HAL : hal-03246552
Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=147509
in Scientific reports > 11 (2021) . - 1-10Boucher, Florian C., Dentant, Cédric (1976-), Ibanez, Sébastien, Capblancq, Thibaut, Boleda, Martí, Boulangeat, Louise, Smyčka, Jan, Roquet, Cristina, Lavergne, Sébastien (1976-) 2021 Discovery of cryptic plant diversity on the rooftops of the Alps. Scientific reports, 11: 1-10.Documents numériques
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Titre : Allergenicity to worldwide invasive grass Cortaderia selloana as environmental risk to public health Type de document : Imprimé Auteurs : Fernando Rodríguez ; Manuel Lombardero-Vega ; Lucía San Juan ; Leticia de las Vecillas ; Sofía Alonso ; Eva Morchón ; Diego Liendo ; Marta Uranga ; Alberto Gandarillas Année de publication : 2021 Article en page(s) : 24426 Langues : Anglais (eng) Mots-clés : Cortaderia selloana Résumé : Allergies to grass pollen affects about 20% of the population worldwide. In the last few decades, the South American grass Cortaderia selloana (CS, Pampas grass) has expanded worldwide in a variety of countries including the USA, Australia and Western Europe. In many of these locations, CS has strikingly spread and has now been classified an invasive species. Many pernicious consequences of CS have been reported for local biodiversity, landscape and structures. However, the effect on human health has not been studied. To investigate this issue, we have chosen a European region on the northern cost of Spain where CS spread is overwhelming, Cantabria. We obtained CS pollen extract and analysed the allergenic reaction of 98 patients that were allergic to pollen of local grasses. We determined the skin reaction and the presence of specific IgE antibodies (sIgE) to CS or to a typical autochthonous grass, Phleum pratense. We also compared the seasonal symptoms with reported grass pollen counts in the area. The results strongly suggest that CS can cause respiratory allergies at a similar extent to the local grasses. Given that CS pollinises later than the local grasses, this would extend the period of grass allergies in the region for about three months every year, as stated by most of the patients. This is the first study reported on the effects of the striking expansion of CS on human health. Considering the strong impact that respiratory allergies have on the population, our results suggest that CS can currently constitute a relevant environmental health issue. Lien pérenne : DOI : 10.1038/s41598-021-03581-5 Permalink : https://biblio.cbnpmp.fr/index.php?lvl=notice_display&id=153198
in Scientific reports > 11 (2021) . - 24426Rodríguez, Fernando, Lombardero-Vega, Manuel, San Juan, Lucía, Vecillas, Leticia de las, Alonso, Sofía, Morchón, Eva, Liendo, Diego, Uranga, Marta, Gandarillas, Alberto 2021 Allergenicity to worldwide invasive grass Cortaderia selloana as environmental risk to public health. Scientific reports, 11: 24426.Documents numériques
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