Biologia, Sanitat i Medi Ambient: Enviaments recents
Ara mostrant els elements 381-400 de 874
Molecular phylogenetics and temporal diversification in the genus Aeromonas based on the sequences of five housekeeping genes
Several approaches have been developed to estimate both the relative and absolute rates of speciation and extinction within clades based on molecular phylogenetic reconstructions of evolutionary relationships, according ...
Plantas falsas
Se aportan nuevos datos sobre la presencia en los herbarios del Institut Botánic de Barcelona (BC) y del Conservatoire et Jardín Botaniques de la Ville de Genéve (G) de unos pliegos con localidad falsa, pertenecientes a ...
Yeasts in amphibians are common: isolation and the first molecular characterization from Thailand
A survey of the presence of yeasts in frogs and toads in Thailand was conducted using standard mycological examination techniques. The results, which were confirmed with molecular techniques, revealed the presence of five ...
Addicions i comentaris a la Flora vascular autòctona i aŀlòctona de les Muntanyes de Prades
Aportem 57 noves citacions de plantes vasculars per a la Flora de les Muntanyes de Prades (Catalunya meridional); 30 són tàxons autòctons i 27 aŀlòctons, amb un valor corològic divers. Anacyclus homogamuses cita formalment ...
Felicia filifolia (Asteraceae), neòfit d'origen sud-africà introduït al sud de Catalunya
S"assenyala per primera vegada la presència de Felicia filifolia, espècie introduïda d"origen sud-africà, a les muntanyes del nord de Falset (Priorat). En el registre de plantes al·lòctones constitueix una novetat corològica ...
The Stacks: a new bacterial structure analyzed in the Antarctic bacterium Pseudomonas deceptionensis M1T by transmission electron microscopy and tomography
In recent years, improvements in transmission electron microscopy (TEM) techniques and the use of tomography have provided a more accurate view of the complexity of the ultrastructure of prokaryotic cells. Cryoimmobilization ...
Detection of specific antibodies against Leishmania infantum in canine serum and oral transudate using an in-house ELISA
Background: Canine leishmaniosis caused by the protozoan Leishmania infantum is a complex infection due to its variable clinical signs and laboratory findings. Therefore, a broad range of techniques is available for ...
Pellaea calomelanos (Pteridaceae) in Catalonia: is it really a very old disjunction?
Pellaeacalomelanos(Pteridaceae) in catalonia: isitreallyaveryolddisjunction? Pellaea calomelanos is a species discovered in Africa and whose distribution area has been expanding more recently to Asia and to a single ...
Polyamines under Abiotic Stress: Metabolic Crossroads and Hormonal Crosstalks in Plants
Polyamines are essential compounds for cell survival and have key roles in plant stress protection. Current evidence points to the occurrence of intricate cross-talks between polyamines, stress hormones and other metabolic ...
Innovative Multistage Constructed Wetland for Municipal Wastewater Treatment and Reuse for Agriculture in Senegal
This paper reports on the performance of using a multistage constructed wetland (CW) to treat municipal raw wastewater and an analysis of its suitability for agricultural irrigation. The pilot plant consists of two stages ...
Vida immortal
Poques coses han captivat tan poderosament la imaginació humana com la idea de viure eternament. Però tots sabem que els éssers vius, més tard o més d'hora, moren.
Algas edaficas de la zona de yesos de Tora (Barcelona)
Se realiza el estudio taxonómico de la flora algológica gipsícola de la zona comprendida entre Tora y Castellfollit de Riubregós. El método empleado ha sido el de cultivos de enriquecimiento.
Mapas de distribución de algas marinas de la península Ibérica y las islas Baleares. XXVIII. Dasya (Ceramiales, Rhodophyta)
[spa] Se presentan los mapas de distribución en la Península Ibérica y las islas Baleares de las especies del género Dasya, correspondientes a D. baillouviana, D. corymbifera, D. hutchinsiae, D. ocellata, D. rigescens, D. ...
Complete genome sequence of Marinobacter flavimaris LMG 238348T, which is potentially useful in bioremediation.
The complete genome sequence of the halophilic strain <i>Marinobacter flavimaris</i> LMG 23834<sup>T</sup> is presented here. The genomic information of this type strain will be useful for taxonomic purposes and for its ...
Les Tres Gorges de la Xina: enorme embassament... enormes conseqüències
Una de les obres públiques més grans mai escomeses per l'home, i a la Xina possiblement només comparable a la Gran Muralla, és a punt d'esdevenir una realitat: l'embassament de les Tres Gorges. Una enorme paret de formigó ...
Infestation naturelle de Phlebotomus ariasi et Phlebotomus perniciosus (Diptera, Psychodidae) par Leishmania infantum (Kinetoplastida-Trypanosomatidae) en Catalogne (Espagne)
Deux enquêtes successives sur les vecteurs de Leishmania infantum, réalisées dans le Priorat (Catalogne, Espagne), ont permis la dissection de 8 329 Phlébotomes ♀ dont 6 775 Larroussius (2 123 Phlebotomus ariasi et 4 652 ...
Removal of Waterborne Viruses by Tetrahymena pyriformis Is Virus-Specific and Coincides with Changes in Protist Swimming Speed
<p>Biological treatment of waterborne viruses, specifically grazing of viruses by protists, can enhance microbial water quality while avoiding the production of toxic byproducts and high energy costs. However, tangible ...
Lichenysin production and application in the pharmaceutical field
Podeu consultar el llibre complet a: http://hdl.handle.net/2445/103042
Revised NMR data for Incartine: an alkaloid from Galanthus elwesii
Phytochemical studies on Galanthus elwesii resulted in the isolation of five alkaloids: incartine, hordenine, hippeastrine, 8-O-demethylhomolycorine and lycorine. The NMR data given previously for incartine were revised ...
