Biologia, Sanitat i Medi Ambient: Envíos recientes
Mostrando ítems 61-80 de 874
Organisation, expression and evolution of rRNA genes in plant genomes
Podeu consultar el llibre complet a: http://hdl.handle.net/2445/103042
Usos populars de les plantes i gestió del paisatge: alguns resultats d'una recerca etnobotànica a l'Alt Empordà.
Des dels temps més reculats, les societats humanes han fet una utilització i una gestió de la natura per a treure'n profit en aspectes diversos de la vida, entre els quals l'alimentari i el medicinal han jugat papers ...
Sobre la presencia de Solanum cornutum Lam. en España.
We report the presence of Solarium cornutum Lam., an introduced species, for Spain. We recall its record in Italy, published by SACCHI in 1 9 5 4 .
NLR Mutations Suppressing Immune Hybrid Incompatibility and Their Effects on Disease Resistance
Genetic divergence between populations can lead to reproductive isolation. Hybrid incompatibilities (HI) represent intermediate points along a continuum toward speciation. In plants, genetic variation in disease resistance ...
Una nit al Parlament
La mateixa nit del 6 de setembre, durant l'aprovació de la llei de referèndum, es discutia al Parlament la creació de l'Agència de Biodiversitat de Catalunya. A continuació resumim la crònica d’aquella nit de la biodiversitat ...
The lipopolysaccharide of Aeromonas spp: structure-activity relationships
Marine microorganisms, including Aeromonas, are a source of compds. for drug development that have generated great expectations in the last decades. Aeromonas infections produce septicemia, and ulcerative and haemorrhagic ...
Xyloglucan, Hibiscus and Propolis for the prevention of Urinary Tract Infections: results of in vitro studies
Aim: To assess the properties of a medical device containing xyloglucan, propolis and hibiscus to create a bioprotective barrier to avoid the contact of uropathogenic Escherichia coli strains on cell walls in models of ...
Viure de l'aire
Les dades estadístiques de població només existeixen des dels últims dos o tres segles. Fins i tot al segle xviii pocs governs es dedicaven a realitzar un cens de població exacte. Es pensa que fa 100.000 anys la població ...
Case report: Diffuse cutaneous leishmaniasis by Leishmania infantum in a patient undergoing immunosuppressive therapy: risk status in an endemic Mediterranean area.
This case report highlights the risk of severe cutaneous leishmaniasis (CL) by Leishmania infantum in patients undergoing immunosuppressant therapy who either live in an endemic area or are visiting in the transmission ...
Detection of a 73-75 kDa and a 123 kDa fractions of Leishmania antigen in urine of patients with visceral leishmaniosis
Two polypeptide fractions of 72-75 kD were detected in the urine of 14 of 15 patients with visceral leishmaniasis (VL) and another fraction of 123 kD was found in 10 of the 15 patients by using a Western blot technique. ...
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 ...
Trois cas de gynandromorphisme chez Sergentomyia minuta (Diptera, Psychodidae) dans la Péninsule Ibérique
Three gynandromorphe specimens of Sergentomyia minuta have been identified among sandflies captured in North-East Spain. The simultaneous presence of more or less modified male genitalia and of fome female structures were ...
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 ...
Assessment of dead-end ultrafiltration for the detection and quantification of microbial indicators and pathogens in the drinking water treatment processes
A safe water supply requires distinct treatments and monitoring to guarantee the absence of pathogens and substances potentially hazardous for human health. In this study we assessed the efficiency of the dead-end ...
Tres notes i una carta de Narcís Fages i de Romà a Estanislau Vayreda i Vila en temps prefil·loxèrics immediats
Donem a conèixer en aquest treball tres notes i una carta enviades el 1878 i el 1879 per l'advocatNarcís Fages i de Romà al botànic Estanislau Vayreda i Vila, relatives a la comissió antifil·loxèricade l'Alt Empordà, creada ...
In vitro susceptibility to pentavalent antimony in Leishmania infantum strains is not modified during in vitro or in vivo passages but is modified after host treatment with meglumine antimoniate
Background: Leishmaniasis is a common parasitic disease in Southern Europe, caused by Leishmania infantum. The failures of current treatment with pentavalent antimonials are partially attributable to the emergence of ...
Optimization of the fermentation media, mathematical modeling, and enhancement of paclitaxel production by Alternaria alternata after elicitation with pectin
<p><em>Alternaria alternata</em> fungus is a potent paclitaxel producer isolated from <em>Corylus avellana</em>. The</p><p>major challenge is the lack of optimized media for endophytic fungi productivity. In the effort ...
La biogeografia de las algas bentonicas marinas, tema central de la sesion de algologia del VII simposio nacional de botanica criptogamica
Se expone aquí brevemente el interés actual de la biogeografía de algunas algas bentónicas marinas; se mencionan las investigaciones llevadas a cabo en nuestro país y se comentan los motivos de haber elegido este tema para ...
