Cryptogamie, Algologie最新文献

{"title":"A Journey through Cyanobacteria in Brazil: A Review of Novel Genera and 16S rRNA Sequences","authors":"G. S. Hentschke, Kléber Renan de Souza Santos, Leandro de Mattos, Flávio Oliveira, Vitor Vasconcelos","doi":"10.5252/cryptogamie-algologie2024v45a6","DOIUrl":"https://doi.org/10.5252/cryptogamie-algologie2024v45a6","url":null,"abstract":"","PeriodicalId":505532,"journal":{"name":"Cryptogamie, Algologie","volume":"52 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141653257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Microsatellite Development in the Freshwater Red Alga Batrachospermum gelatinosum (L.) De Candolle (Batrachospermales, Rhodophyta)","authors":"Roseanna M Crowell, Sarah J Shainker-Connelly, M. L. Vis, Stacy A. Krueger‐Hadfield","doi":"10.5252/cryptogamie-algologie2024v45a5","DOIUrl":"https://doi.org/10.5252/cryptogamie-algologie2024v45a5","url":null,"abstract":"","PeriodicalId":505532,"journal":{"name":"Cryptogamie, Algologie","volume":"8 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140974863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Molecular Data and Culture Observations Show that the Microfilamentous Marine Alga Uronema marinum Womersley is a Member of the Genus Okellya Leliaert & Rueness (Cladophorales, Chlorophyta)","authors":"Richard Wetherbee, Trevor T. Bringloe, F. Leliaert, Heroen Verbruggen","doi":"10.5252/cryptogamiealgologie2024v45a3","DOIUrl":"https://doi.org/10.5252/cryptogamiealgologie2024v45a3","url":null,"abstract":"","PeriodicalId":505532,"journal":{"name":"Cryptogamie, Algologie","volume":"341 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140247033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Molecular Analyses Reveal the Presence of Corynecladia J.Agardh (Rhodophyta, Rhodomelaceae) in the Mediterranean Sea with Two New Species, C. millarii sp. nov. and C. mediterranea sp. nov.","authors":"Yola Metti, G. Furnari, D. Serio","doi":"10.5252/cryptogamie-algologie2024v45a2","DOIUrl":"https://doi.org/10.5252/cryptogamie-algologie2024v45a2","url":null,"abstract":"","PeriodicalId":505532,"journal":{"name":"Cryptogamie, Algologie","volume":"187 S1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140443621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Australasian Lophothamnion J.Agardh Aligns Genetically with Pleonosporium Nägeli (Wrangeliaceae, Spongoclonieae): New Species from the Western Atlantic","authors":"Craig W. Schneider, G. Saunders","doi":"10.5252/cryptogamie-algologie2024v45a1","DOIUrl":"https://doi.org/10.5252/cryptogamie-algologie2024v45a1","url":null,"abstract":"","PeriodicalId":505532,"journal":{"name":"Cryptogamie, Algologie","volume":"112 41","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139616476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Small Naviculoid Species of Kobayasiella Lange-Bertalot, Adlafia Moser, Lange-Bertalot & Metzeltin, Nupela Vyverman & Compère and Sellaphora Mereschowsky from Tursujuq National Park, Hudson Bay Region, Nunavik, Québec","authors":"Marie Alibert, P. B. Hamilton, Reinhard Pienitz, Dermot Antoniades","doi":"10.5252/cryptogamie-algologie2023v44a9","DOIUrl":"https://doi.org/10.5252/cryptogamie-algologie2023v44a9","url":null,"abstract":"ABSTRACT Seven species from the genera Kobayasiella (K. madumensis Jørgensen, K. micropunctata Germain, K. parasubtilissima Kobayasi & Nagumo, K. pseudostauron Lange-Bertalot, K. subtilissima P.T.Cleve), Adlafia (A. bryophila Petersen) and Nupela (N. tenuicephala Hustedt) from oligotrophic lakes of the subarctic boreal zone in Tursujuq National Park in Nunavik (northern Québec, Canada), were studied by light and scanning electron microscopy and linked with environmental conditions. In addition, four new species, Kobayasiella tursujuqensis sp. nov., Adlafia umiujaqensis sp. nov., Adlafia ossiformis sp. nov., and Sellaphora vincentiana sp. nov., were observed and described. The new species are similar in light microscope observations to other species in their associated genera, but can be identified based on independent character traits under a combined LM and SEM analysis. Morphological structures of particular interest include valve outline, position of the central and terminal raphe fissures, orientation of the striae, and the structural formation of the areolae within the striae. Due to low taxon abundances, distribution patterns of these species in the park were difficult to identify. Kobayasiella parasubtilissima, K. subtilissima, K. tursujuqensis sp. nov. and N. tenuicephala were associated with acidic conditions while K. pseudostauron, A. bryophila and S. vincentiana sp. nov. were found in circumneutral waters. A better knowledge of small naviculoid species is necessary to document the circumpolar biogeography and ecology of diatoms for a better understanding of the dynamic of those organisms in changing environmental conditions within the context of rapid climate change in northern regions. RÉSUMÉ Petites espèces naviculoïdes de Kobayasiella Lange-Bertalot, Adlafia Moser, Lange-Bertalot & Metzeltin, Nupela Vyverman & Compère and Sellaphora Mereschowsky du parc national Tursujuq, baie d'Hudson, Nunavik, Québec. Sept espèces des genres Kobayasiella (K. madumensis Jørgensen, K. micropunctata Germain, K. parasubtilissima Kobayasi & Nagumo, K. pseudostauron Lange-Bertalot, K. subtilissima P.T.Cleve), Adlafia (A. bryophila Petersen) et Nupela (N. tenuicephala Hustedt) provenant de lacs oligotrophes de la zone boréale subarctique du parc Tursujuq au Nunavik (nord du Québec, Canada), ont été étudiées par microscopes optique (LM) et électronique à balayage (SEM), et les conditions environnementales de leur lieu de vie ont été caractérisées. Quatre nouvelles espèces, Kobayasiella tursujuqensis sp. nov., Adlafia umiujaqensis sp. nov., Adlafia ossiformis sp. nov., et Sellaphora vincentiana sp. nov., ont été observées et décrites. Bien que similaires à d'autres espèces de leurs genres par observations LM, elles peuvent être différenciées sur la base de traits de caractère indépendants, en combinant des analyses LM et SEM. Les structures morphologiques présentant un intérêt particulier comprennent le contour de la valve, la position des fissures du raph","PeriodicalId":505532,"journal":{"name":"Cryptogamie, Algologie","volume":"4 1-2","pages":"157 - 187"},"PeriodicalIF":0.0,"publicationDate":"2023-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139180872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Marine Cyanobacteria Diversity and Biotechnological Potential in Caribbean Waters","authors":"Alfaniris Vargas, G. S. Hentschke, Pedro Leão, Vitor Vasconcelos","doi":"10.5252/cryptogamie-algologie2023v44a8","DOIUrl":"https://doi.org/10.5252/cryptogamie-algologie2023v44a8","url":null,"abstract":"ABSTRACT Marine cyanobacteria are producers of structurally diverse secondary metabolites, many have intriguing biological properties. These compounds represent a series of different chemical entities, such as alkaloids, polyketides, peptides or mixed NRPS/PKS metabolites, exhibiting a variety of antifouling, anticancer, antimicrobial, allelopathic and anti-inflammatory properties. Nevertheless, cyanobacteria have been less used as sources of marine natural products when compared with sponges or macroalgae. Cyanobacteria studies in Caribbean marine waters are still scarce and scattered, but reveal an interesting diversity with a total of 76 genera and 119 species reported. The presence of cyanobacteria blooms in the Caribbean region has been observed with greater frequency, but their toxin profile and impact are scarcely understood. In the case of the Dominican Republic, there have been no reports on studies with cyanobacteria biotechnological applications. New strains are expected to be isolated from different Caribbean environments, contributing to our understanding of cyanobacterial biodiversity and their potential biotechnological applications. RÉSUMÉ Diversité des cyanobactéries marines et potentiel biotechnologique dans les eaux des Caraïbes. Les cyanobactéries marines produisent des métabolites secondaires structurellement diversifiés, dont beaucoup ont des propriétés biologiques intrigantes. Ces composés représentent une série d'entités chimiques différentes, telles que des alcaloïdes, des polykétides, des peptides ou des métabolites NRPS/ PKS mixtes, présentant une variété de propriétés antifouling, anticancéreuses, antimicrobiennes, allélopathiques et anti-inflammatoires. Néanmoins, les cyanobactéries ont été moins utilisées comme sources de produits naturels marins que les éponges ou les macroalgues. Les études sur les cyanobactéries dans les eaux marines des Caraïbes sont encore rares et parcellaires, mais elles révèlent une diversité intéressante avec un total de 76 genres et 119 espèces signalées. La présence d'efflorescences de cyanobactéries dans la région des Caraïbes a été observée plus fréquemment, mais le profil de leurs toxines et leur impact sont encore mal compris. Dans le cas de la République dominicaine, il n'y a pas eu de rapports d'études sur les applications biotechnologiques des cyanobactéries. De nouvelles souches devraient être isolées dans différents environnements des Caraïbes, contribuant ainsi à notre compréhension de la biodiversité des cyanobactéries et de leurs applications biotechnologiques potentielles.","PeriodicalId":505532,"journal":{"name":"Cryptogamie, Algologie","volume":"266 ","pages":"143 - 156"},"PeriodicalIF":0.0,"publicationDate":"2023-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139242921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}