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Symptom severity and viral protein or RNA accumulation in lettuce affected by big-vein disease Chilean J. Agric. Res.
Araya,Carolina; Peña,Elizabeth; Salazar,Erika; Román,Lisset; Medina,Claudia; Mora,Roxana; Aljaro,Agustín; Rosales,Inés-Marlene.
Big-vein disease (BVD) is a widespread and economically damaging disease in lettuce (Lactuca sativa L.). Typical symptoms are chlorotic clearing around leaf veins, leaf deformations, and impaired head development. In this research, we studied the relationship between symptom intensity and protein and viral RNA accumulation in infected plants. Naturally infected lettuce plants, from the field or greenhouse, were classified according to their symptomatology: mild, moderate, severe, and symptomless. Coat protein accumulation was evaluated by a double antibody sandwich/enzyme-linked immunosorbent assay (DAS-ELISA), and RNA levels were studied by semi-quantitative reverse transcription polymerase chain reaction (RT-PCR) and quantitative RT-PCR. Virus coat...
Tipo: Journal article Palavras-chave: Lettuce big-vein disease; Symptom expression.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392011000100008
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Corona Mortis: Importancia Anatomo ­ Clínica y Ocurrencia en una Muestra de la Población Colombiana International Journal of Morphology
Baena,Gloria; Rojas,Sebastián; Peña,Elizabeth.
Corona mortis es una variación anatómica referida a la anastomosis de los vasos iliacos externos e internos, mediante vasos que se arquean por encima y por detrás del ramo superior del pubis. En caso de resultar lesionados iatrogénicamente, se pueden presentar hemorragias de difícil manejo. El objetivo del estudio fue caracterizar los vasos obturatrices en una muestra cadavérica de la población colombiana, para determinar su morfometría y la frecuencia con que se presentan los diferentes patrones venosos y arteriales. Se estudiaron hemipelvis de 14 cadáveres, pertenecientes al anfiteatro del Departamento de Morfología de la Universidad del Valle en Cali, Colombia. Tras acceder a la cavidad pélvica y completar la disección de todos los vasos que se...
Tipo: Journal article Palavras-chave: Variación anatómica; Enfermedad iatrogénica; Sangrado; Hernia abdominal; Fracturas óseas; Arteria iliaca; Vena iliaca; Arterias epigástricas; Huesos de la pelvis; Pubis.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000100021
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Simultaneous Occurrence of Three Anatomical Variations: Anomalous Right Subclavian Artery, Non-Recurrent Inferior Laryngeal Nerve and Right Thoracic Duct International Journal of Morphology
Peña,Elizabeth; Zúñiga,Janneth; Baena,Gloria.
In one male cadaver of Colombian nationality, dissected by a group of medical students during a gross anatomy course at the Universidad del Valle in Cali, Colombia, three anatomical variations were found: an anomalous or aberrant right subclavian artery (ARSA), a non-recurrent inferior laryngeal nerve and a right thoracic duct. The aortic arch gave origin to four instead of three arteries, which, from right to left, were the right common carotid, the left common carotid, the left subclavian and the right subclavian arteries. The anatomical variation of the right subclavian artery is known also as lusoria artery, in which case the artery passes behind the esophagus and the trachea in its course towards the right side of the neck. The perimeters of the...
Tipo: Journal article Palavras-chave: Aberrant right subclavian artery; Recurrent laryngeal nerve; Thoracic duct; Genetic variation.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000400006
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