Listar Centros e Institutos de Investigación por fecha de publicación
Mostrando ítems 281-300 de 3625
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An analysis of the genomic variability of the phytopathogenic mollicute Spiroplasma kunkelii
(American Phytopathological Society, 2013-02)Corn stunt disease has become a factor limiting maize production in some areas of the Americas in recent years. Although resistant maize genotypes have been developed in the past, this resistance has been unstable over ... -
Understanding the relationship between Mycobacterium bovis spoligotypes from cattle in Latin American Countries
(Elsevier, 2013-02)Spoligotyping is the most frequently used method for genotyping isolates of Mycobacterium bovis worldwide. In the current work, we compared spoligotypes from 1684 M. bovis isolates from Argentina (816), Brazil (412), Chile ... -
In vitro diagnosis of the first case of amitraz resistance in Rhipicephalus microplus in Santo Tomé (Corrientes), Argentina
(Elsevier, 2013-02)In Argentina, the cattle tick Rhipicephalus microplus has already developed resistance to organophospates and synthetic pyrethroids. However, no cases of amitraz resistance have ever been recorded in this country despite ... -
Silencing of the glutathione biosynthetic pathway inhibits somatic embryogenesis in wheat
(Springer, 2013-02)Somatic embryogenesis in scutella of wheat (Triticum aestivum L.) is a well documented phenomenon and it has been shown through transcriptome analysis that genes involved in antioxidant responses, particularly in glutathione ... -
Efficacy of a BVDV subunit vaccine produced in alfalfa transgenic plants
(Elsevier, 2013-02-15)Bovine viral diarrhea virus (BVDV) is considered an important cause of economic loss within bovine herds worldwide. In Argentina, only the use of inactivated vaccines is allowed, however, the efficacy of inactivated BVDV ... -
Bases moleculares de la interacción virus-planta : relación entre genes de defensa, ARNs pequeños y sintomatología
(Facultad de Agronomía, Universidad de Buenos Aires, 2013-03)Los virus fitopatógenos producen alteraciones en el metabolismo y la fisiología de sus huéspedes provocadas principalmente por alteraciones en la expresión génica durante las infecciones. Numerosos cambios están asociados ... -
Early Adaptive Immune Responses in the Respiratory Tract of Foot-and-Mouth Disease Virus-Infected Cattle
(2013-03)Foot-and-mouth disease (FMD) is a highly contagious viral disease which affects both domestic and wild biungulate species. This acute disease, caused by the FMD virus (FMDV), usually includes an active replication phase ... -
Performance of Pinus elliottii, Pinus caribaea, their F1, F2 and backcross hybrids and Pinus taeda to 10 years in the Mesopotamia region, Argentina
(Springer, 2013-03)Performances of Pinus taxa were studied to 10 years of age in two trials in each of Misiones and Entre Ríos provinces across the Mesopotamia region of Argentina. Taxa comprised 22 populations from sources in Argentina, ... -
Has climate change opened new opportunities for wheat cropping in Argentina?
(Springer, 2013-03)As a result of climate change, and in particular rainfall changes, agricultural production is likely to change across the globe. Until now most research has focused on areas which will become unsustainable for agricultural ... -
En colectivo: política, poder, participación y vínculos
(Universidad de Ciencias Sociales y Empresariales, 2013-03)La obra que hoy nos presenta Claudia Palioff es ante todo el resultado de un doble compromiso. Con los productores agrupados en cooperativas para contribuir a la reflexión sobre sus procesos sociales y organizativos intentado ... -
Ultra sensitive microfluidic immunosensor for determination of clenbuterol in bovine hair samples using electrodeposited gold nanoparticles and magnetic micro particles as bio-affinity platform
(Elsevier, 2013-03-15)In this article, we report the first integrated microfluidic immunosensor coupled to a screen-printed carbon electrode (SPCE) applied to determination of clenbuterol (CLB) in bovine hair samples. CLB is a member of the ... -
Presencia de zearalenona en pasturas del este de Chaco
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2013-04)Se estudió la presencia de zearalenona en pasturas y alimentos que son utilizados para la producción de bovinos de carne de la zona este de la provincia del Chaco. Asimismo, se realizó el aislamiento e identificación de ... -
Comportamiento de diferentes cultivares de trigo a Wheat streak mosaic virus (WSMV) y High Plains virus (HPV) mediante infección artificial con el vector Aceria tosichella Keifer, bajo condiciones de campo
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2013-04)El trigo (Triticum aestivum L.) es el cereal de invierno de mayor importancia económica en la Argentina. Dado que Wheat Streak Mosaic virus (WSMV) y High Plains virus (HPV) constituyen una de las principales limitantes ... -
An assessment of the genetic diversity of Cedrela balansae C. DC. (Meliaceae) in Northwestern Argentina by means of combined use of SSR and AFLP molecular markers
(2013-04)Cedrela balansae C.DC. is a native tree species in Argentina, severely exploited for its timber features. We performed a molecular analysis to understand the genetic diversity and its distribution in eight remaining ... -
Galacturonosyltransferase 4 silencing alters pectin composition and carbon partitioning in tomato
(2013-04)Pectin is a main component of the plant cell wall and is the most complex family of polysaccharides in nature. Its composition is essential for the normal growth and morphology pattern, as demonstrated by pectin-defective ... -
Detection and molecular characterization of a phytoplasma affecting Prunus persica L. in Jujuy, Argentina
(Springer, 2013-04)Peach (Prunus persica L.) plants with symptoms of yellowing, reddening, curling and leaf necrosis, premature defoliation and internode shortening were observed in production fields in Jujuy province (Argentina). A phytoplasma ... -
Apropiación humana de la producción primaria en el Chaco Seco
(Asociación Argentina de Ecología, 2013-04)El Chaco Seco experimenta altas tasas de deforestación y transformación productiva. Estimamos la magnitud de la apropiación humana de la productividad primaria neta (PPN) aérea de esta región por vías directas (producción ... -
New insights into antibacterial and antioxidant activities of rosemary essential oils and their main components
(2013-05)Rosemary plants growing in Argentina were studied to evaluate any relationship between the chemical composition of their essential oils and the free radical scavenging capacity. The antibacterial activity against human ... -
Comportamiento de las formas de fósforo en un Ultisol con diferentes manejos de implantación forestal
(Facultad de Agronomía, Universidad de Buenos Aires, 2013-05)En sistemas forestales, la preparación del terreno antes de la implantación de un monte adquiere gran importancia debido al impacto de diferentes sistemas de manejo de residuos sobre el capital de nutrientes. El objetivo ... -
High methoxyl pectin–methyl cellulose films with antioxidant activity at a functional food interface
(2013-05)The effect of using increasing proportions of methylcellulose (MC) for the development of glycerol plasticized films based on high methoxyl pectin (HMP) (30:70, 50:50 and 70:30 w/w HMP:MC) and carrying l-(+)-ascorbic acid ...