Biologia, Sanitat i Medi Ambient: Envíos recientes
Mostrando ítems 261-280 de 874
Enhanced artemisinin yield by expression of rol genes in artemisia annua
Background: Despite of many advances in the treatment of malaria, it is still the fifth most prevalent disease worldwide and is one of the major causes of death in the developing countries which accounted for 584,000 deaths ...
Functional ultrastructure and cytochemistry of vitellogenesis and mature vitellocytes of the digenean Cainocreadium labracis (Dujardin, 1845), parasite of Dicentrarchus labrax (L., 1758)
Vitellogenesis and vitellocytes of Cainocreadium labracis were studied by transmission electron microscopy (TEM) and TEM cytochemistry. Four developmental stages were distinguished during vitellogenesis: (I) stem cell of ...
Alkaloids of Phaedranassa dubia (Kunth) J.F. Macbr. and Phaedranassa brevifolia Meerow (Amaryllidaceae) from Ecuador and its cholinesterase-inhibitory activity
Alzheimer's disease is considered the most common cause of dementia and, in an increasingly aging population worldwide, the quest for treatment is a priority. Amaryllidaceae alkaloids are of main interest because of their ...
Alkaloid profile in wild autumn-flowering daffodils and their acetylcholinesterase inhibitory activity
Amaryllidaceae alkaloids are secondary metabolites with interesting medicinal properties. Almost every Narcissus species can synthesize them and constitute an excellent source for their isolation and study. Several ...
Ultrastructural organisation of the spermatozoon of Allopodocotyle tunisiensis Derbel and Neifar, 2009 (Digenea, Opecoelidae), an intestinal parasite of Solea aegyptiaca Chabanaud, 1927 (Teleostei, Soleidae)
The ultrastructure of the spermatozoon of Allopodocotyle tunisiensis (Digenea, Opecoelidae), an intestinal parasite of Solea aegyptiaca (Teleostei, Soleidae), is described by transmission electron microscopy (TEM). The ...
Myiasis by Cordylobia anthropophaga (Calliphoridae) in rodents from Cape Verde
Purpose: The tumbu fly, Cordylobia anthropophaga (Diptera: Calliphoridae), is widely distributed in continental tropical and subtropical Africa, being the most common cause of furuncular myiasis in Sub-Saharan Africa. The ...
Protective barrier properties of Rhinosectan® spray (containing xyloglucan) on an organotypic 3D airway tissue model (MucilAir): results of an in vitro study.
Background: To evaluate barrier protective properties of Rhinosectan® spray, a medical device containing xyloglucan, on nasal epithelial cells (MucilAir). Methods: MucilAir-Nasal, a three-dimensional organotypic (with ...
Effect of Utipro® (containing gelatin-xyloglucan) against Escherichia coli invasion of intestinal epithelial cells: results of an in vitro study
Aim: To evaluate whether Utipro(®), a natural product approved to prevent urinary tract infections, protects intestinal epithelial cells from Escherichia coli adherence/intracellular invasion in vitro. Materials & methods: ...
Noves citacions de Chondrymenia lobata (Meneghini) Zanardini i Laminaria rodriguezii Bornet per a la Peninsula Iberica
Noves citacions de Chondrymenia lobata (Meneghini) Zanardini i Laminaria rodriguezii Bornet, per a la Peninsula Ibèrica PAÍS VALENCIA: Peniscola, entre 100-120 braces de profunditat, a les xarxes dels pescadors (14-6-1983).
Linking Behavior, Co-infection Patterns, and Viral Infection Risk With the Whole Gastrointestinal Helminth Community Structure in Mastomys natalensis
Infection probability, load, and community structure of helminths varies strongly between and within animal populations. This can be ascribed to environmental stochasticity or due to individual characteristics of the host ...
Seed morphology of Iberian Species of the genus Aconitum L.
Es presenta un estudi morfològic-biomètric de les granes deis taxons del genere Aconitum L. presents a la Península Ibérica. Es tracten aspectes que fan referencia a: 1) disposició de les granes al fol-licle, 2) definido ...
Método de diferenciación de Caolinitas y Cloritas
En el presente trabajo se hace una revision bibliografica de 10s distintos mtodos de identificacin de Caolinita y Clorita en mezclas naturales y artificiales, valorando la distinta problematica que presentan cada uno de ...
Field study of the improved rapid sand fly exposure test in areas endemic for canine leishmaniasis
BACKGROUND: Canine leishmaniasis (CanL) is a severe chronic disease caused by Leishmania infantum and transmitted by sand flies of which the main vector in the Western part of the Mediterranean basin is Phlebotomus ...
A topical microemulsion for the prevention of allergic rhinitis symptoms: results of a randomized, controlled, double-blind, parallel group, multicentre, multinational clinical trial (Nares study)
Background: Since barrier protection measures to avoid contact with allergens are being increasingly developed, we assessed the clinical efficacy and tolerability of a topical nasal microemulsion made of glycerol esters ...
Amaryllidaceae alkaloids: identification and partial characterization of montanine production in Rhodophiala bifida plant
Rhodophiala bifida (R. bifida) is a representative of the Amaryllidaceae plant family and is rich in montanine, an alkaloid with high pharmaceutical potential. Despite the interest in these compounds, many steps of the ...
Collyricloides massanae (Digenea: Collyriclidae): spermatozoon ultrastructure and phylogenetic importance
The spermatological characteristics of Collyricloides massanae (Digenea: Collyriclidae), a parasite of Apodemus sylvaticus caught in France, were studied by means of transmission electron microscopy. The mature sperm of ...
Copper-containing amine oxidases contribute to terminal polyamine oxidation in peroxisomes and apoplast of Arabidopsis thaliana
Polyamines (PAs) are oxidatively deaminated at their primary or secondary amino-groups by copper-containing amine oxidases (CuAOs) or FAD-dependent amine oxidases (PAOs), respectively. Both enzymes have long been considered ...
Estudio comparativo sobre la variacion morfologica y fisiologica de Gelidium crinale y Gelidium spathulatum colectados en el Mediterraneo catalan
Se estudia fenológicamente dos especies de Gelidium durante el período comprendido entre abril 1980 y marzo 1981, con especial referencia a variaciones morfológicas, crecimiento, estadios reproductivos y de pigmentos.
Morphologic and Genetic Characterization of Protospirura canariensis n. sp. (Nematoda, Spiruridae), a Parasite of the Black Rat Rattus rattus (Rodentia, Muridae) from El Hierro Island (Canary Archipelago, Spain)
A new spirurid nematode, Protospirura canariensis n. sp., a parasite of the black rat Rattus rattus Linnaeus, 1758 (Rodentia: Muridae), in El Hierro Island (Canary Archipelago, Spain), was described by means of light (LM) ...
