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Mostrando ítems 217-236 de 392
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High-Throughput Sequencing for Deciphering the Virome of Alfalfa (Medicago sativa L.)
(Frontiers Media, 2020-09-11)Alfalfa (Medicago sativa L.), also known as lucerne, is a major forage crop worldwide. In the United States, it has recently become the third most valuable field crop, with an estimated value of over $9.3 billion. Alfalfa ... -
Highly GC-rich heterochromatin in chili peppers (Capsicum-Solanaceae): A cytogenetic and molecular characterization
(Elsevier, 2018-08)Capsicum comprises 35 species of chili peppers and five of them are cultivated worldwide as spices or vegetables. Diploid karyotypes based in x = 12 and x = 13 are common in Capsicum and the constitutive heterochromatin ... -
Hongos de podredumbre de la espiga en maíz, en Santiago del Estero y Chaco
(Asociación Argentina de Productores en Siembra Directa, 2021-07-26)Argentina se encuentra entre los lideres mundiales en producción de maíz, ocupando el sexto lugar como productor con alrededor de 60 millones de toneladas y oscila entre el tercero y cuarto como exportador ( MAGyP. 2020) -
ICTV Virus Taxonomy Profile: Rhabdoviridae 2022
(Microbiology Society, 2022-06-20)The family Rhabdoviridae comprises viruses with negative-sense (−) RNA genomes of 10–16 kb. Virions are typically enveloped with bullet-shaped or bacilliform morphology but can also be non-enveloped filaments. Rhabdoviruses ... -
Identificación de agentes bióticos vinculados al síndrome de amarillamiento del garbanzo (SAG) en norte de Córdoba y noroeste Argentino (NOA)
(Universidad Nacional del Noroeste de la Provincia de Buenos Aires -UNNOBA, 2022-10-19)Durante la campaña de garbanzo 2018 se observó, en lotes de producción, una importante presencia de plantas cloróticas, con reducción de crecimiento y, en casos más avanzados, muerte total. Esta anomalía se denominó ... -
Identificación de la secuencia tipo st78 de xylella Fastidiosa en olivo de Argentina
(Asociación Argentina de Fitopatólogos, 2021-09-22)Para la caracterización molecular de Xylella fastidiosa Xf causante del síndrome del decaimiento rápido del olivo en nuestro país, se utiliza el sistema Multilocus sequence typing ( que define subespecie y secuencia tipo ... -
Identificación y caracterización de begomovirus en cultivos de poroto (Phaseolus Vulgaris l.), ajuste de marcadores moleculares para la búsqueda de resistencia y evaluación fenotípica
(Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, 2022-12-20)Dentro del conjunto de legumbres secas, el poroto (Phaseolus vulgaris L.) constituye un cultivo relevante que es producido en áreas tropicales y subtropicales del mundo. En Argentina, bajo condiciones de secano y en forma ... -
Identification and characterization of a new potyvirus infecting cucurbits
(Springer, 2018-03)A new potyvirus, tentatively named cucurbit vein banding virus (CVBV), was identified in crops of cucurbits in San Pedro (Buenos Aires, Argentina). The complete genome sequences of two isolates of CVBV were obtained by ... -
Identification and molecular characterization of a novel circular single-stranded DNA virus associated with yerba mate in Argentina
(Springer, 2018-10)A single-stranded DNA (ssDNA) virus was detected in Yerba mate samples showing chlorotic linear patterns, chlorotic rings and vein yellowing. The full-genome sequences of six different isolates of this ssDNA circular virus ... -
Identification and molecular characterization of a phytoplasma associated with sunflower in Argentina
(Springer, 2014-04)Sunflower (Helianthus annuus L.) plants showing capitulum with virescence, phyllody and flower malformation, shortened internodes and abnormal branches were found in a field in Pedro Luro (Buenos Aires province, Argentina). ... -
Identification of the first endogenous Ophiovirus sequence
(BioRxiv, 2018-05-05)Endogenous viral elements (EVEs) are sequences in eukaryotic genomes that are derived from the ancestral integration of viral sequences into germline cells. Ophioviruses (family Ophioviridae) are a recently established ... -
Identification of three novel subgroups within the X-disease group phytoplasma associated with strawberry redness disease
(2017-04)Strawberry plants showing symptoms of lethal redness disease were found in production fields located in Tucumán province, Argentina. The presence of phytoplasmas was confirmed by PCR of 16S rDNA gene using phytoplasma ... -
Identification, molecular characterization and relative incidence of begomoviruses infecting bean crops in northwestern Argentina: an update
(Springer; Australasian Plant Pathology Society, 2018-07)Three begomoviruses were identified in bean crops in northwestern Argentina: Bean golden mosaic virus (BGMV), Tomato yellow spot virus (ToYSV) and Soybean blistering mosaic virus (SbBMV). Nucleic acid hybridization probes ... -
Illuminating the Plant Rhabdovirus Landscape through Metatranscriptomics Data
(MDPI, 2021-07-05)Rhabdoviruses infect a large number of plant species and cause significant crop diseases. They have a negative-sense, single-stranded unsegmented or bisegmented RNA genome. The number of plant-associated rhabdovirid sequences ... -
Impact of yellow leaf virus on sugarcane commercial fields
(Springer, 2020-11-17)A survey of Sugarcane yellow leaf virus (SCYLV) was conducted in northern Argentina in 2015 and 2016 using tissue blot immunoassay (TBIA). Results showed plant infection rates of 2.2–86.7% in sugarcane commercial fields ... -
Impacto del manejo del cultivo de soja sobre la microbiota del suelo y la incidencia del síndrome de muerte súbita
(ACSOJA, 2019-09-04)En las últimas décadas, el proceso de agriculturización se ha destacado por el incremento del área sembrada, corrimiento de la frontera agropecuaria, dominio del cultivo de soja (S) y tecnologías de insumos (plaguicidas y ... -
Importancia de la calidad sanitaria de plantines de frutilla para nuevos sitios de producción
(Asociación de Laboratorios Agropecuarios Privados (ALAP), 2020-11)Los hongos de suelo son patógenos limitantes en la producción de frutilla. Por esto, la calidad sanitaria de los plantines es fundamental para lograr un plantel adecuado en la producción comercial de fruta. Este requerimiento ... -
Improvement of conditional Cre-lox system through application of the regulatory sequences from Cowpea mosaic virus
(Springer, 2018-04)To study the impact of regulatory sequences from Cowpea mosaic virus (CPMV) on Cre-mediated recombination rates, the cre gene was flanked by the 5′ non-translated and 3′ non-translated regions of CPMV. This cre configuration ... -
Improving the Comprehension of Pathogenicity and Phylogeny in ‘Candidatus Phytoplasma meliae’ through Genome Characterization
(MDPI, 2024-01-11)‘Candidatus Phytoplasma meliae’ is a pathogen associated with chinaberry yellowing disease, which has become a major phytosanitary problem for chinaberry forestry production in Argentina. Despite its economic impact, no ... -
Incidence and prevalence of aphid-borne viruses infecting strawberry in Argentina
(Wiley, 2018-07)The incidence and prevalence of strawberry viruses were determined in surveys of randomly selected strawberry plants grown in different regions of Argentina. In 2009 and 2010, 1034 plants from 28 fields and 1060 plants ...