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| Registros recuperados: 138 | |
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| Gunasekaran,B.; Gothandam,K.M.. |
| For a long time, vaccines have been the main mode of defense and protection against several bacterial, viral, and parasitic diseases. However, the process of production and purification makes them expensive and unaffordable to many developing nations. An edible vaccine is when the antigen is expressed in the edible part of the plant. This reduces the cost of production of the vaccine because of ease of culturing. In this article, various types of edible vaccines that include algal and probiotics in addition to plants are discussed. Various diseases against which research has been carried out are also reviewed. This article focused on the conception of edible vaccines highlighting the various ways by which vaccines can be delivered. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Vaccines; Plants; Algae; Probiotics; Edible vaccine. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2020000200301 |
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| Berthelier, Jeremy; Casse, Nathalie; Daccord, Nicolas; Jamilloux, Veronique; Saint-jean, Bruno; Carrier, Gregory. |
| Background Transposable elements (TEs) are mobile DNA sequences known as drivers of genome evolution. Their impacts have been widely studied in animals, plants and insects, but little is known about them in microalgae. In a previous study, we compared the genetic polymorphisms between strains of the haptophyte microalga Tisochrysis lutea and suggested the involvement of active autonomous TEs in their genome evolution. Results To identify potentially autonomous TEs, we designed a pipeline named PiRATE (Pipeline to Retrieve and Annotate Transposable Elements, download: https://doi.org/10.17882/51795), and conducted an accurate TE annotation on a new genome assembly of T. lutea. PiRATE is composed of detection, classification and annotation steps. Its... |
| Tipo: Text |
Palavras-chave: Transposable elements; Genome assembly; Pipeline; Tool; Annotation; Algae; Haptophyte; Tisochrysis lutea. |
| Ano: 2018 |
URL: https://archimer.ifremer.fr/doc/00441/55250/56732.pdf |
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| Piriou, Jean-yves; Coic, Daniel; Merceron, Michel. |
| The coastal marsh of Kervigen is located near by the bay of Douarnenez and its 22 hectares are almost entirely covered by reeds. An experiment was there carried out to assess the nitrogen flux depletion of a small stream, the Kerharo. That one has a 45 km 2 mostly agricultural drainage basin. Due to its nitrate loadings to the next sandy beach, it feeds a green algae (Ulva) proliferation. In order to control its nitrogen fluxes, the stream was partly diverted through a part of the marsh (9 ha), before it was allowed to go back to the main bed. Thus a collapsible weir was set up during several springs and summers, i.e. the growing period of Ulva. The nitrate stripping off the going through flux is within a 30 to 90 % range,that is important (175 kg N03... |
| Tipo: Text |
Palavras-chave: Algae; Nitrogen; Ulva; Nitrate depletion; Costal marsh; Algue; Azote; Ulva; Abattement de nitrate; Marais côtier. |
| Ano: 1999 |
URL: http://archimer.ifremer.fr/doc/1999/rapport-64.pdf |
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| Hernández, Y.; Laguna, A.; Fernández, M.D.; Valdés, O.; Regalado, E.L.. |
| Ha sido demostrado, por otros autores, que el alga Ulva fasciata Delile posee una actividad antioxidante promisoria y en el presente trabajo evaluamos si la actividad antioxidante de muestras de esta alga puede ser influenciada por la adsorción de metales, pesados y otros por parte del alga. U. fasciata fue colectada en tres zonas de las costas de la Ciudad de la Habana que presentan diferentes niveles de eutrofización: 1) la desembocadura del Río Quibú, un río que atraviesa una importante zona industrial de la capital cubana y en la cual la concentración de metales acumulados por el alga fue mayor; 2) la zona del Malecón habanero, que recibe la contaminación de la bahía de la Habana y del Río Almendares pero no de forma directa, donde presentó valores... |
| Tipo: Journal Contribution |
Palavras-chave: Algae; Marine environment; Heavy metals; Marine environment; Heavy metals; Algae; Http://aims.fao.org/aos/agrovoc/c_4610; Http://aims.fao.org/aos/agrovoc/c_2223; Http://aims.fao.org/aos/agrovoc/c_258. |
| Ano: 2008 |
URL: http://hdl.handle.net/1834/2919 |
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| Wolseley, P.A.; Hawksworth, D.L.. |
| Lichens are fungi with a specialized nutritional mode involving algae, or cyanobacteria, or both. Classification is based on the fungal partner, and around 13 500 species are known. The association is ancient, and the first ascomycete fungi with fruit bodies may have been lichenized. Adaptations to tropical habitats include extensive utilization of trentepohlioid algae, the production of large multi-celled spores capable of forming numerous germ tubes, and water-repellant hydophobins coating internal cell walls. Many tropical groups lack modern monographs and numerous new species are discovered in detailed studies. Lichens merit more attention in the tropics as bioindicators of habitat disturbance. |
| Tipo: Article / Letter to the editor |
Palavras-chave: Algae; Ascomycota; Bioindication; Coevolution; Symbiosis. |
| Ano: 2009 |
URL: http://www.repository.naturalis.nl/record/525176 |
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| Bula-Meyer, G.. |
| Once especies de algas verdes no citadas antes para el Caribe colombiano, se adicionan a la lista de las ya conocidas. Estas son: &iphonocladus fropicus (CROUAN) J. AGARDH, Anadyomene saldanbae JOL.Y et OLIVEIRA FILHO, Caulerpa webbiana(?) MONTAGNE, Bryobesia sp., Haltmeda goreaitii TAYLOR, H. copiosa GOREAU et GKAHAM, Avrainvillea nigricans DECAISNE, F. falva HOWE, A. ellioltii A. et E. S. GEPP, Vdotea cyathíjormh DECAISNE, Rbipiliopsis stri (EARLE et YOUNG) FARGHALY et DENIZOT y Polyphysa myriospora (JOLY et CORDEIRG-MARINO) BULA, comb. nov. Esta última y A. saldanhac son reportadas por primera vez para el Caribe. El hallazgo de R. atri en Colombia, constituye un tercer registro considerando que Rbipiliopsis reticulata (VAN DEN HOEK) FARG. et DEN.,... |
| Tipo: Journal Contribution |
Palavras-chave: Algae; Chlorophylls; Geographical distribution; Geographical distribution; Algae; Chlorophylls; Http://aims.fao.org/aos/agrovoc/c_5083; Http://aims.fao.org/aos/agrovoc/c_258; Http://aims.fao.org/aos/agrovoc/c_1577. |
| Ano: 1982 |
URL: http://hdl.handle.net/1834/3966 |
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| Solé, M. A.; Suárez, A. M.. |
| En este trabajo se presentan 8 especies de Rhodophyta que representan adiciones de macroalgas marinas para la plataforma de Cuba. Los especímenes forman parte de la colección del Herbario MOBR. En el listado de especies se incluye para cada una de éstas, las referencias bibliográficas, diagnosis, una sinopsis de la información contenida en las etiquetas de los especímenes, se discuten y comparan los caracteres taxonómicos y se adicionan figuras de los especímenes. |
| Tipo: Journal Contribution |
Palavras-chave: New records; Algae. |
| Ano: 2010 |
URL: http://hdl.handle.net/1834/4611 |
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| Ksouri, J.; Mensi, F.; Ben Said, R.. |
| Cette étude, réalisée dans la partie Nord-Est du lac de Bizerte du premier Avril au 30 Juin 1999, porte sur l’étude de l’effet des deux paramètres, distance entre les touffes et poids initial des touffes, sur le rendement de culture par bouturage de Gracilaria verrucosa selon le mode des boudins de sable. Il en ressort que les conditions optimales de culture de cette espèce sont engendrées par un poids initial de 200 g, une distance entre les fragments de thalles de 30 cm et une récolte impérativement vers la fin du mois de Juin. Dans ces conditions, on enregistre un passage du poids de 200 g à 1087 g, un taux de croissance spécifique de 2,20 et une densité finale de 3,74 kg/m². |
| Tipo: Journal Contribution |
Palavras-chave: Marine sciences; Weight; Algae; Seaweed culture; Aquaculture techniques; Gracilaria verrucosa; Http://aims.fao.org/aos/agrovoc/c_49675. |
| Ano: 2000 |
URL: http://hdl.handle.net/1834/4287 |
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| Gaylarde,Peter M.; Gaylarde,Christine C.. |
| Algae and cyanobacteria disfigure the external surfaces of buildings and may cause their physico-chemical deterioration. Even though the climate in Brazil is humid, there is no published literature on this problem. The objective of this work was to identify the major phototrophs present on Brazilian constructions in residential, urban and rural sites. The algal and cyanobacterial types present on discolored surfaces of painted buildings in nine different municipalities in Brazil, all lying between latitudes 19° South and 30° South, were examined. A total of 816 different organisms was detected in 58 sites. Approximately 63% were single-celled or colonial organisms. The cyanobacterial genus, Synechocystis, was the most biodiverse and frequently comprised... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Algae; Biodeterioration; Brazil; Cyanobacteria; Paint films. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37141999000300005 |
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| Morales,Eduardo A; Fernández,Erika; Fernandez,Carla E; Lizarro,Dennis; Alcoreza,Pamela. |
| A compilation of phycological literature published on Bolivian algae is presented together with an analysis of strengths, weaknesses, and needs in this field of investigation. An analysis of the nationality of authors, type, content, and geographic focus of the references shows that literature is largely produced by foreign scientist, concentrated on just a few areas of the country, or are biased toward particular algal groups, leaving ample room for more exploration. The Altiplano (high mountain plateau) and Amazon concentrate most of the publications, the phytoplankton and algae found in sediment cores, being the communities that have received more attention from scientists. Taxonomic references focus more on phytoplankton and tychoplankton communities... |
| Tipo: Journal article |
Palavras-chave: Bolivia; Phycology; Algae; Freshwater. |
| Ano: 2008 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-66432008000100009 |
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| Bula-Meyer, G.. |
| El presente articulo os el resultado de un estudio realizado para establecer la relación entre ciertos factores medioambien tales y la flora béntica del litoral Canbt de Colombia. Para propósito di! este estudio, esta franja costera ha sido dividida en dos Áreas. El Área 1 se encuentra entre Cabo Tiburón y la desembocadura del Rio Magdalena, estando caracterizada por aguas cálidas con muy pequeñas fluctuaciones de la temperatura del agua superficial. El Área 2 se extiende desde la desembocad tira del Rio Magdalena hasta Castilletes, y sus aguas se encuentran afectadas por una surgencía costera (Upwellmg), cuyo núcleo se localiza al oeste de la Península de la Guajira. Como resultado de este "upwelling" se presentan variaciones considerables en los... |
| Tipo: Journal Contribution |
Palavras-chave: Algae; Upwelling; Outcrops; Cold water masses; Algae; Http://aims.fao.org/aos/agrovoc/c_258. |
| Ano: 1977 |
URL: http://hdl.handle.net/1834/3897 |
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| Lobo,Eduardo A; Torgan,Lezilda Carvalho. |
| Através da análise da composição específica e da diversidade da comunidade de diatomáceas, em duas estações do sistema Guaíba (RS, Brasil), nos meses de setembro e novembro de 1975, foi encontrada uma diferença significativa na estrutura dessa comunidade. Essa diferença deve-se, provavelmente, à presença exclusiva de Achnanthes inflata (Kütz.) Grun. var. elata (Leud. - Fort.)Hust., A. lanceolata (Bréb.)Grun. var. lanceolata, Cocconeis placentula Ehr., Cyclotella meneghiniana Kütz., Cymbella minuta Hilse ex Rabh., Aulacosira distans (Ehr.) Sim., Navicula mutica Kütz., Surirella robusta Ehr. var. splendida (Ehr.) Van Heurck, Synedra ulna (Nitz.)Ehr., espécies abundantes, que refletem características ambientais distintas, pelo fato de apresentarem uma... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Algae; Bacillariophyceae; Structure of community. |
| Ano: 1987 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33061987000300011 |
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| Chretiennot-dinet, Marie-josèphe; Vaulot, Daniel; Galois, Robert; Spano, Anna-maria; Robert, Rene. |
| The ingestion of 8 algal species by oyster larvae (Crassostrea gigas Thunberg, 1793) was measured by flow cytometry (FCM). In a preliminary experiment, cell size (estimated by light scatter) and chlorophyll fluorescence of 30 algal species were evaluated to select those species which could be mixed together and still be easily discriminated by FCM. Grazing experiments were carried out over 48 h with 6 and 15-day old larvae fed on 3 algal mixtures, each containing 3 different algal species. The concentration of each species was estimated at 0, 6, 12, 24 and 48 h by FCM. Grazing pressure on a given algal species was dependent upon the age of the larvae, the time of the day and the composition of the mixture. Grazing rates of older larvae were about twice... |
| Tipo: Text |
Palavras-chave: Oyster larvae; Crassostrea gigas; Grazing; Algae; Selective feeding; Flow cytometry. |
| Ano: 1991 |
URL: http://archimer.ifremer.fr/doc/00090/20164/17817.pdf |
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| Lima-Filho,José Vitor M.; Carvalho,Ana F.F.U.; Freitas,Sissi M.; Melo,Vânia M.M.. |
| Hexane, chloroform and ethanol extracts of six marine macroalgae (Rhodophyta and Chlorophyta) from North Ceará coast (Northeast Brazil) were evaluated for antibacterial activity by the single disk method. Best results were shown by the hexane extracts of Amansia multifida against enteric Gram-negative strains such as Enterobacter aerogenes, Klebsiella pneumoniae, Pseudomonas aeruginosa, Salmonella typhi, S. cholerae-suis, Serratia marcescens, Vibrio cholerae and the Gram-positive bacteria Bacillus subtilis and Staphylococcus aureus. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antibacterial activity; Algae; Lipid-soluble extracts. |
| Ano: 2002 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822002000400006 |
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| Rivero,F.; Fallarero,A.; Castañeda,O.; Dajas,F.; Manta,E.; Areces,F.; Mancini Filho,J.; Vidal,A.. |
| The aim of the present paper was to provide the evidences for the antioxidant activity in Halimeda incrassata (Ellis) Lamouroux aqueous extracts obtained after simple water extraction of the fresh algae at room temperature (23°C). Previously in the literature, only antioxidant activity associated to carotenoids fractions of seaweeds has been reported. From different species of seaweeds, Halimeda incrassata aqueous extract exhibited the highest antioxidant activity on the inhibition of TBARS formed during the spontaneous lipid peroxidation of rat brain homogenates with an IC50 of 0.340mg.mL-1. Halimeda incrassata aqueous extract (0.5mg.mL-1), was also capable of decreasing the in vitro generation of hydrogen peroxide by two distinct metabolic pathways... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antioxidant activity; Halimeda incrassata; Algae; Functional food. |
| Ano: 2003 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612003000200026 |
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| Etheridge, S.M.; Roesler, C.S.; Pitcher, G.C.. |
| A forward reflectance model is used to demonstrate the sensitivity of hyperspectral ocean color observations to phytoplankton biomass, species composition and cell size. An inverse ocean color model is developed which has explicit terms for 5 taxonomic groups of phytoplankton. The model expresses the contributions of each group in terms of the magnitude of the absorption coefficient, which is proportional to biomass. The model is applied to a time series of reflectance data from an expansive red tide off the west coast of South Africa. The results compare favorably with those derived from microscopic cell counts. This demonstrates the utility of in situ ocean color detection of the composition and concentration of potentially harmful algae. |
| Tipo: Report |
Palavras-chave: Algae; Plankton studies; Phytoplankton; Colorimetric techniques. |
| Ano: 2000 |
URL: http://hdl.handle.net/1834/826 |
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| Cano Mallo, M.. |
| El objetivo de esta tesis es caracterizar las poblaciones naturales de Ulva fasciata en el sector comprendido entre los ríos Quibú y Jaimanitas al oeste de La Habana, típico de costas de emersión del Caribe Occidental, con vistas a su posible explotación. El estudio se realizó entre marzo de 1996 y enero del 2001. Los resultados más importantes permitieron comprobar que la especie U. fasciata no se distribuye de forma similar en todo este sector, en la cobertura algal intervienen de manera decisiva, el tipo de sustrato y la disponibilidad de nutrientes en el medio. Los compuestos del nitrógeno y el fósforo en el agua de mar y las diferencias en la amplitud de variación de los mismos, justifican las diferencias en la morfometría, la biomasa en pie y el... |
| Tipo: Theses and Dissertations |
Palavras-chave: Algae; Biology; Algae; Biology; Http://aims.fao.org/aos/agrovoc/c_258; Http://aims.fao.org/aos/agrovoc/c_925. |
| Ano: 2008 |
URL: http://hdl.handle.net/1834/3404 |
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| Registros recuperados: 138 | |
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