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Mostrando ítems 41-59 de 59

    • Potato snakin-1 gene enhances tolerance to Rhizoctonia solani and Sclerotinia sclerotiorum in transgenic lettuce plants 

      Darqui, Flavia Soledad; Radonic, Laura Mabel; Trotz, Paulina M.; Lopez, Nilda Ester; Vazquez Rovere, Cecilia; Hopp, Horacio Esteban; Lopez Bilbao, Marisa Gisela (Elsevier, 2018-10)
      Snakin-1 is a cysteine-rich antimicrobial peptide (AMP) isolated from potato tubers, with broad-spectrum activity. It belongs to the Snakin/GASA family, whose members have been studied because of their diverse roles ...

    • Potato Snakin-1 Gene Silencing Affects Cell Division, Primary Metabolism, and Cell Wall Composition 

      Nahirñak, Vanesa; Almasia, Natalia Ines; Fernandez, Paula Virginia; Hopp, Horacio Esteban; Estevez, Jose Manuel; Carrari, Fernando; Vazquez Rovere, Cecilia (American Society of Plant Biologists, 2012-01)
      Snakin-1 (SN1) is an antimicrobial cysteine-rich peptide isolated from potato (Solanum tuberosum) that was classified as a member of the Snakin/Gibberellic Acid Stimulated in Arabidopsis protein family. In this work, a ...

    • Potato snakin‑1: an antimicrobial player of the trade‑off between host defense and development 

      Almasia, Natalia Ines; Nahirñak, Vanesa; Hopp, Horacio Esteban; Vazquez Rovere, Cecilia (Springer, 2020-07)
      Snakin-1 (SN1) from potato is a cysteine-rich antimicrobial peptide with high evolutionary conservation. It has 63 amino acid residues, 12 of which are cysteines capable of forming six disulfide bonds. SN1 localizes in the ...

    • RNAi Expression in Cotton for Control of Herbivorous Insects 

      Salvador, Ricardo; Maskin, Laura; Niz, José María; Turica, Mariana Daniela; Pedarros, Analía Soledad; Hopp, Horacio Esteban; Lewi, Dalia Marcela (Springer, 2022)
      Cultivated cotton (Gossypium hirsutum) is heavily attacked by various species of insects worldwide and breeding of new varieties resistant to pests is still a hard battle to win. RNAi technology is an important reverse ...

    • Sequence analysis of genome segments S5 and S10 of Mal de Río Cuarto virus (Fijivirus, Reoviridae) 

      Distefano, Ana Julia; Hopp, Horacio Esteban; Del Vas, Mariana (Springer, 2005-06)
      Mal de Río Cuarto virus (MRCV) was recently described as a new species of the genus Fijivirus, family Reoviridae. The nucleotide sequence of two MRCV genome segments was determined. MRCV S5 and S10 were predicted to encode ...

    • Simplified methodology for large scale isolation of homozygous transgenic lines of lettuce 

      Darqui, Flavia Soledad; Radonic, Laura Mabel; Lopez, Nilda Ester; Hopp, Horacio Esteban; Lopez Bilbao, Marisa Gisela (2018-01)
      Background: Lettuce is a globally important leafy vegetable and a model plant for biotechnology due to its adaptability to tissue culture and stable genetic transformation. Lettuce is also crucial for functional genomics ...

    • Snakin-1 affects reactive oxygen species and ascorbic acid levels and hormone balance in potato 

      Nahirñak, Vanesa; Rivarola, Maximo Lisandro; Almasia, Natalia Ines; Barrios Baron, María Pilar; Hopp, Horacio Esteban; Vile, Denis; Paniego, Norma Beatriz; Vazquez Rovere, Cecilia (PLOS, 2019-03-25)
      Snakin-1 is a member of the Solanum tuberosum Snakin/GASA family. We previously demonstrated that Snakin-1 is involved in plant defense to pathogens as well as in plant growth and development, but its mechanism of action ...

    • Snakin/GASA proteins : involvement in hormone crosstalk and redox homeostasis 

      Nahirñak, Vanesa; Almasia, Natalia Ines; Hopp, Horacio Esteban; Vazquez Rovere, Cecilia (Taylor & Francis, 2012)
      Snakin/GASA proteins are widely distributed among plant species. They are expressed in different plant organs with high tissue and temporal specificity, and their subcellular localization varies among the different members. ...

    • State of the art of genetic engineering in potato: from the first report to its future potential 

      Nahirñak, Vanesa; Almasia, Natalia Ines; Gonzalez, Matías Nicolás; Massa, Gabriela Alejandra; Decima Oneto, Cecilia Andrea; Feingold, Sergio Enrique; Hopp, Horacio Esteban; Vazquez Rovere, Cecilia (Frontiers Media, 2022-01)
      Potato (Solanum tuberosum L.) is a crop of world importance that produces tubers of high nutritional quality. It is considered one of the promising crops to overcome the challenges of poverty and hunger worldwide. However, ...

    • Sunflower germin-like protein HaGLP1 promotes ROS accumulation and enhances protection against fungal pathogens in transgenic Arabidopsis thaliana 

      Beracochea, Valeria Cecilia; Almasia, Natalia Ines; Peluffo, Lucila; Nahirñak, Vanesa; Hopp, Horacio Esteban; Paniego, Norma Beatriz; Heinz, Ruth Amelia; Vazquez Rovere, Cecilia; Lia, Veronica Viviana (Springer, 2015-10)
      Germin-like proteins (GLPs) are a large, diverse and ubiquitous family of plant glycoproteins belonging to the Cupin super family. These proteins have been widely studied because of their diverse roles in important plant ...

    • The ALS gene as genetic target in CRISPR/ cas approaches: what have we learned so far? 

      Darqui, Flavia Soledad; Hopp, Horacio Esteban; Lopez Bilbao, Marisa Gisela (Crimson Publishers, 2020-08)
      Specific mutations in the conserved domains of the acetolactate synthase (ALS) gene conduct to different key amino acid substitutions that can confer herbicide resistance in different plant species. This outcome has been ...

    • The P0 protein encoded by cotton leafroll dwarf virus (CLRDV) inhibits local but not systemic RNA silencing 

      Delfosse, Veronica Cecilia; Agrofoglio, Yamila Carla; Casse, Maria Florencia; Bonacic Kresic, Iván; Hopp, Horacio Esteban; Ziegler-Graff, Véronique; Distefano, Ana Julia (2014-02)
      Plants employ RNA silencing as a natural defense mechanism against viruses. As a counter-defense, viruses encode silencing suppressor proteins (SSPs) that suppress RNA silencing. Most, but not all, the P0 proteins encoded ...

    • Transcriptome survey of Patagonian southern beech Nothofagus nervosa (= N. Alpina): assembly, annotation and molecular marker discovery 

      Torales, Susana Leonor; Rivarola, Maximo Lisandro; Pomponio, Maria Florencia; Fernandez, Paula Del Carmen; Acuña, Cintia Vanesa; Marchelli, Paula; Gonzalez, Sergio; Azpilicueta, Maria Marta; Hopp, Horacio Esteban; Gallo, Leonardo Ariel; Paniego, Norma Beatriz; Marcucci Poltri, Susana Noemi (Genomics 13: 291 (2012), 2012-07-02)
      Nothofagus nervosa is one of the most emblematic native tree species of Patagonian temperate forests. Here, the shotgun RNA-sequencing (RNA-Seq) of the transcriptome of N. nervosa, including de novo assembly, functional ...

    • Transcriptomic Survey of the Midgut of Anthonomus grandis (Coleoptera: Curculionidae) 

      Salvador, Ricardo; Perez Principi, Ricardo Dario; Berretta, Marcelo Facundo; Fernandez, Paula Del Carmen; Paniego, Norma Beatriz; Sciocco, Alicia Ines; Hopp, Horacio Esteban (Entomological Society of America, 2014-11)
      Anthonomus grandis Boheman is a key pest in cotton crops in the New World. Its larval stage develops within the flower bud using it as food and as protection against its predators. This behavior limits the effectiveness ...

    • Transferability of microsatellite markers located in candidate genes for wood properties between Eucalyptus species 

      Acuña, Cintia Vanesa; Villalba, Pamela Victoria; Hopp, Horacio Esteban; Marcucci Poltri, Susana Noemi (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (España), 2014)
      AIM OF STUDY: To analyze the feasibility of extrapolating conclusions on wood quality genetic control between different Eucalyptus species, particularly from species with better genomic information, to those less characterized. ...

    • Transgenic citrange troyer rootstocks overexpressing antimicrobial potato snakin-1 show reduced citrus canker disease symptoms 

      Conti, Gabriela; Gardella, Victoria; Vandecaveye, Melina Antonella; Gomez, Claudio Andres; Joris, Giovanna Lujan; Hauteville, Claudia; Burdyn, Lourdes; Almasia, Natalia Ines; Nahirñak, Vanesa; Vazquez Rovere, Cecilia; Gochez, Alberto Martin; Furman, Nicolas; Lezcano, Cecilia Carolina; Kobayashi, Ken; García, María Laura; Canteros, Blanca Isabel; Hopp, Horacio Esteban; Reyes, Carina Andrea (Elsevier, 2020-12)
      Citrus canker is a major disease caused by Xanthomonas citri pv. citri. Snakin-1 is an antimicrobial peptide, which was previously shown to be effective against different bacterial and fungal diseases in potato, wheat and ...

    • Unveiling the genetic basis of Sclerotinia head rot resistance in sunflower 

      Filippi, Carla Valeria; Zubrzycki, Jeremias Enrique; Di Rienzo, Julio Alejandro; Quiroz, Facundo Jose; Puebla, Andrea Fabiana; Alvarez, Daniel; Maringolo, Carla Andrea; Escande, Alberto; Hopp, Horacio Esteban; Heinz, Ruth Amelia; Paniego, Norma Beatriz; Lia, Veronica Viviana (BMC, 2020-07)
      Background: Sclerotinia sclerotiorum is a necrotrophic fungus that causes Sclerotinia head rot (SHR) in sunflower, with epidemics leading to severe yield losses. In this work, we present an association mapping (AM) approach ...

    • Validation of reference genes for quantitative PCR in Johnsongrass (Sorghum halepense L.) under glyphosate stress 

      Ulrich, Maria Noelia; Muñiz-Padilla, Esteban; Corach, Alejandra; Hopp, Horacio Esteban; Tosto, Daniela Sandra (MDPI, 2021-08)
      Weeds are one of the main causes of the decrease in crop yields, with Johnsongrass (Sorghum halepense L.) being one of the most significant. Weeds can be controlled by herbicides, but some have developed resistance. ...

    • Virus infection elevates transcriptional activity of miR164a promoter in plants 

      Bazzini, Ariel Alejandro; Almasia, Natalia Ines; Manacorda, Carlos Augusto; Mongelli, Vanesa Claudia; Conti, Gabriela; Maroniche, Guillermo Andrés; Rodriguez, Maria Cecilia; Distefano, Ana Julia; Hopp, Horacio Esteban; Del Vas, Mariana; Asurmendi, Sebastian (BioMed Central, 2009-12)
      Background: Micro RNAs (miRs) constitute a large group of endogenous small RNAs that have crucial roles in many important plant functions. Virus infection and transgenic expression of viral proteins alter accumulation and ...