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2021 Taxonomic update of phylum Negarnaviricota (Riboviria: Orthornavirae), including the large orders Bunyavirales and Mononegavirales
Kuhn, Jens H.; Adkins, Scott; Agwanda, Bernard R.; Kubrusli, Rim Al; Alkhovsky, Sergey V.; Amarasinghe, Gaya K.; Avšič-Županc, Tatjana; Ayllón, María A.; Bahl, Justin; Balkema-Buschmann, Anne; Bejerman, Nicolas Esteban; Debat, Humberto Julio; Zhou, Xueping (Springer, 2021-08-31)In March 2021, following the annual International Committee on Taxonomy of Viruses (ICTV) ratification vote on newly proposed taxa, the phylum Negarnaviricota was amended and emended. The phylum was expanded by four families ... -
A glimpse into the DNA virome of the unique “living fossil” Welwitschia mirabilis
Debat, Humberto Julio; Bejerman, Nicolas Esteban (Elsevier, 2022-08-10)Here, we report the identification and characterization of four novel DNA viruses from Welwitschia mirabilis transcriptomic and genomic datasets. Complete circular virus-like sequences with affinity to members of ... -
Alfalfa dwarf cytorhabdovirus P protein is a local and systemic RNA silencing supressor which inhibis program med RISC activity and prevents transitive amplification of RNA silencing
Bejerman, Nicolas Esteban; Mann, Krin S.; Dietzgen, Ralf Georg (2016)Plants employ RNA silencing as an innate defense mechanism against viruses. As a counter-defense, plant viruses have evolved to express RNA silencing suppressor proteins (RSS), which target one or more steps of the ... -
Analysis of the coding-complete genomic sequence of groundnut ringspot virus suggests a common ancestor with tomato chlorotic spot virus
De Breuil, Soledad; Cañizares Sales, Joaquin; Blanca Postigo, Jose Miguel; Bejerman, Nicolas Esteban; Trucco, Veronica Milagros; Giolitti, Fabian; Ziarsolo, Peio; Lenardon, Sergio Luis (2016)Groundnut ringspot virus (GRSV) and tomato chlorotic spot virus (TCSV) share biological and serological properties, so their identification is carried out by molecular methods. Their genomes consist of three segmented RNAs: ... -
Bean leafroll virus (BLRV) in Argentina: molecular characterization and detection in alfalfa fields
Trucco, Veronica Milagros; De Breuil, Soledad; Bejerman, Nicolas Esteban; Lenardon, Sergio Luis; Giolitti, Fabian (Springer, 2016-09)Alfalfa (Medicago sativa L.) is the main forage crop in Argentina and plays an essential role in the animal production chain, but it can be negatively affected by many factors, such as viral diseases. Here, we report the ... -
Bean yellow mosaic virus in soybean from Argentina
Campos, Ramon Eduardo; Bejerman, Nicolas Esteban; Nome Docampo, Claudia; Laguna, Irma Graciela; Rodriguez Pardina, Patricia (Wiley, 2014-05)An association of Bean yellow mosaic virus (BYMV), (genus Potyvirus), with yellow mosaic leaf symptoms on soybean in Argentina was determined by enzyme-linked immunosorbent assay, a result confirmed by transmission electron ... -
Biological and molecular characterization of bean bushy stunt virus, a novel bipartite begomovirus infecting common bean in northwestern Argentina
Reyna, Pablo Gastón; Bejerman, Nicolas Esteban; Laguna, Irma Graciela; Rodriguez Pardina, Patricia (Springer, 2021-02-28)Common bean plants (Phaseolus vulgaris L.) showing different virus-like symptoms were collected in northwestern Argentina. Dot-blot hybridization tests showed that the begomoviruses bean golden mosaic virus and tomato ... -
Biological, Molecular and Phiysiological Characterization of Four Soybean mosaic virus Isolates Present in Argentine Soybean Crops
Maugeri Suarez, M; Rodriguez, Marianela; Bejerman, Nicolas Esteban; Laguna, Irma Graciela; Rodriguez Pardina, Patricia (BioRxiv, 2021-06-10)Soybean mosaic virus (SMV) causes systemic infections in soybean plants, leading to chlorotic mosaic and producing significant yield losses. The virus is widely distributed in all soybean production areas in the world. In ... -
Complete genome sequence and integrated protein localization and interaction map for alfalfa dwarf virus, which combines properties of both cytoplasmic and nuclear plant rhabdoviruses
Bejerman, Nicolas Esteban; Giolitti, Fabian; De Breuil, Soledad; Trucco, Veronica Milagros; Nome Docampo, Claudia; Lenardon, Sergio Luis; Dietzgen, Ralf Georg (Elsevier, 2015-09)We have determined the full-length 14,491-nucleotide genome sequence of a new plant rhabdovirus, alfalfa dwarf virus (ADV). Seven open reading frames (ORFs) were identified in the antigenomic orientation of the negative-sense, ... -
Complete genome sequence of a new enamovirus from Argentina infecting alfalfa plants showing dwarfism symptoms
Bejerman, Nicolas Esteban; Giolitti, Fabian; Trucco, Veronica Milagros; De Breuil, Soledad; Dietzgen, Ralf Georg; Lenardon, Sergio Luis (2016)Alfalfa dwarf disease, probably caused by synergistic interactions of mixed virus infections, is a major and emergent disease that threatens alfalfa production in Argentina. Deep sequencing of diseased alfalfa plant samples ... -
Complete genome sequence of sunflower ring blotch virus, a new potyvirus infecting sunflower in Argentina
Cabrera Mederos, Dariel; Bejerman, Nicolas Esteban; Trucco, Veronica Milagros; De Breuil, Soledad; Lenardon, Sergio Luis; Giolitti, Fabian (Springer, 2017-06)The complete genome sequence of sunflower ring blotch virus (SuRBV), a previously undescribed potyvirus infecting sunflower in Argentina, is reported. The SuRBV genome comprises 9555 nucleotides (nt) and encodes a polyprotein ... -
Complete nucleotide sequence of Alfalfa mosaic virus isolated from alfalfa (Medicago sativa L.) in Argentina
Trucco, Veronica Milagros; De Breuil, Soledad; Bejerman, Nicolas Esteban; Lenardon, Sergio Luis; Giolitti, Fabian (Springer, 2014-06)The complete nucleotide sequence of an Alfalfa mosaic virus (AMV) isolate infecting alfalfa (Medicago sativa L.) in Argentina, AMV-Arg, was determined. The virus genome has the typical organization described for AMV, and ... -
Cytorhabdovirus P3 genes encode 30K-like cell-to-cell movement proteins
Mann, Krin S.; Bejerman, Nicolas Esteban; Johnson, Karyn N.; Dietzgen, Ralf Georg (2016)Plant viruses encode movement proteins (MP) to facilitate cell-to-cell transport through plasmodesmata. In this study, using trans-complementation of a movement-defective turnip vein-clearing tobamovirus (TVCV) replicon, ... -
Development of a full-length infectious clone of sunflower chlorotic mottle virus (SuCMoV)
Bejerman, Nicolas Esteban; Giolitti, Fabian; De Breuil, Soledad; Lenardon, Sergio Luis (Springer; Virology Division, International Union of Microbiological Societies, 2013-02)A full-length cDNA clone (p35SuCMoV) of the sunflower chlorotic mottle virus common strain (SuCMoV-C) genomic RNA was constructed. Three cDNA fragments covering the whole genome of SuCMoV-C were cloned between a cauliflower ... -
Distribution and genetic variability of alfalfa dwarf virus, a cytorhabdovirus associated with alfalfa dwarf disease in Argentina
Samarfard, Samira; Bejerman, Nicolas Esteban; Dietzgen, Ralf Georg (Springer, 2018-08)In 2010, a novel cytorhabdovirus named alfalfa dwarf virus (ADV) was detected for the first time in lucerne crops in Argentina showing dwarfism, in mixed infections with several other viruses. ADV appears to be endemic to ... -
Diversity and epidemiology of plant rhabdoviruses
Dietzgen, Ralf G.; Bejerman, Nicolas Esteban; Goodin, Michael M.; Higgins, Colleen M.; Huot, Ordom B.; Kondo, Hideki; Martin, Kathleen M.; Whitfield, Anna E. (Elsevier, 2020-03-19)Plant rhabdoviruses are recognized by their large bacilliform particles and for being able to replicate in both their plant hosts and arthropod vectors. This review highlights selected, better studied examples of plant ... -
Exploring species composition and population dynamics of thrips (Thysanoptera: Thripidae) in peanut crops in Argentina
De Breuil, Soledad; Giudici, Albano Cesar; La Rossa, Francisco Ruben; Baldessari, Jorge Javier; Bejerman, Nicolas Esteban; Giolitti, Fabian; Lenardon, Sergio Luis (Springer, 2021-04-26)Thrips (Thysanoptera: Thripidae) are major pests of peanut (Arachis hypogaea L.). They cause feeding damage and indirect injuries transmitting plant viruses. In Argentina, peanut is commonly affected by thrips. The crop ... -
Exploring the tymovirales landscape through metatranscriptomics data
Bejerman, Nicolas Esteban; Debat, Humberto Julio (Springer, 2022-06-16)Tymovirales is an order of viruses with positive-sense RNA genomes that mostly infect plants, but also fungi and insects. The number of genome sequences of viruses that could fit this taxon has been growing in the last few ... -
First Report of Tobacco Streak Virus Infecting Sunflower in Argentina
Cabrera Mederos, Dariel; Trucco, Veronica Milagros; Bejerman, Nicolas Esteban; Lenardon, Sergio Luis; Giolitti, Fabian (American Phytopathological Society, 2019-11-21)Sunflower (Helianthus annuus) is one of the main oleaginous crops in the world, and Argentina is positioned among the top sunflower seed producers worldwide (FAO 2019). During the 2018 to 2019 crop season, sunflower plants ... -
Genome characterization of an Argentinean isolate of alfalfa leaf curl virus
Bejerman, Nicolas Esteban; Trucco, Veronica Milagros; De Breuil, Soledad; Rodriguez Pardina, Patricia; Lenardon, Sergio Luis; Giolitti, Fabian (2018-03)We investigated the molecular characteristics of an Argentinean isolate of alfalfa leaf curl virus (ALCV-Arg), a virus of the genus Capulavirus in the family Geminiviridae that was isolated from alfalfa plants showing ...