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Browsing by Author "La Peña del Rivero, Marcos de"

Now showing items 1-17 of 17

Análisis de RNAs catalíticos en retroelementos de plantas

Martín Guindal, Andrea (Universitat Politècnica de València, 2018-02-12)

Self-cleaving ribozymes such as the hammerhead (HHR), the hepatitis-¿ (HDV) or the twister (Tw) motifs, are a group of small catalytic RNAs with a numerous and widespread occurrence in the genomes of organisms from all ...
Análisis del autocorte ribozimático y la expresión de los retroelementos tipo Penélope en la especie Selaginella moellendorffii

Seguí Pérez, Alba (Universitat Politècnica de València, 2020-09-10)

[ES] A principio de los años 80 se descubrieron unas moléculas catalíticas cuyo centro activo estaba compuesto completamente por RNA y que se denominaron RNAs catalíticos o ribozimas. Desde su descubrimiento hasta ahora ...
Characterization of Mycoviruses in Armillaria ostoyae and A. cepistipes in the Czech Republic

Walterova, Lucie; Botella, Leticia; Hejna, Ondrej; La Peña Del Rivero, Marcos De; Tonka, Tomas; Curn, Vladislav (MDPI AG, 2024-04)

[EN] Members of the genus Armillaria are widespread forest pathogens against which effective protection has not yet been developed. Due to their longevity and the creation of large-scale cloning of Armillaria individuals, ...
Crystal structure of vaccinia virus mRNA capping enzyme provides insights into the mechanism and evolution of the capping apparatus

Kyrieleis, Otto J. P.; Chang, Jonathan; La Peña Del Rivero, Marcos De; Shuman, Stewart; Cusack, Stephen (Elsevier, 2014-03-04)

[EN] Vaccinia virus capping enzyme is a heterodimer of D1 (844 aa) and D12 (287 aa) polypeptides that executes all three steps in m(7)GpppRNA synthesis. The D1 subunit comprises an N-terminal RNA triphosphatase ...
Detección bioinformática de nuevos agentes subvirales de RNA circular con ribozimas

Yerga Castelló, Víctor (Universitat Politècnica de València, 2022-09-06)

[ES] Las ribozimas son biomoléculas enzimáticas cuyo centro catalítico está compuesto exclusivamente de ácido ribonucleico (RNA). Las ribozimas pequeñas de autocorte son una familia de ribozimas que se caracterizan por ...
Diversity and impact of single-stranded RNA viruses in Czech Heterobasidion populations

Dálya, Laszlo Benedek; Cerny, Martin; La Peña Del Rivero, Marcos De; Poimala, Anna; Vainio, Eeva J.; Hantula, Jarkko; Botella, Leticia (American Society for Microbiology, 2024-09-17)

[EN] Heterobasidion annosum sensu lato comprises some of the most devastating pathogens of conifers. Exploring virocontrol as a potential strategy to mitigate economic losses caused by these fungi holds promise for the ...
Effects of the trinucleotide preceding the self-cleavage site on eggplant latent viroid hammerheads: differences in co- and post-transcriptional self-cleavage may explain the lack of trinucleotide AUC in most natural hammerheads

CARBONELL, ALBERTO; La Peña Del Rivero, Marcos De; FLORES PEDAUYE, RICARDO; Gago, Selma (Oxford University Press, 2006-11)

[EN] Eggplant latent viroid (ELVd) can form stable hammerhead structures in its (+) and (¿) strands. These ribozymes have the longest helices I reported in natural hammerheads, with that of the ELVd (+) hammerhead being ...
Eukaryotic penelope-like retroelements encode hammerhead ribozyme motifs

Cervera Olagüe, Amelia; La Peña del Rivero, Marcos de (Oxford University Press (OUP), 2014-11)

[EN] Small self-cleaving RNAs, such as the paradigmatic Hammerhead ribozyme (HHR), have been recently found widespread in DNA genomes across all kingdoms of life. In this work, we found that new HHR variants are preserved ...
ICTV Virus Taxonomy Profile: Kolmioviridae 2024

Kuhn JH; Babaian, Artem; Bergner, Laura M.; Dény, Paul; Glebe, Dieter; Horie, Masayuki; Koonin, Eugene V.; Krupovic, Mart; Paraskevopoulou, Sofia; La Peña Del Rivero, Marcos De; Smura, Teemu; Hepojoki, Jussi (Microbiology Society, 2024-02-29)

[EN] Kolmioviridae is a family for negative- sense RNA viruses with circular, viroid- like genomes of about 1.5-1.7 kb that are maintained in mammals, amphibians, birds, fish, insects and reptiles. Deltaviruses, for instance, ...
In memoriam of Ricardo Flores: The career, achievements, and legacy of an inspirational plant virologist

Pallás Benet, Vicente; HERNANDEZ FORT, CARMEN; Marcos, Jose F.; Daròs, José-Antonio; Ambrós, Silvia; Navarro, Beatriz; NAVARRO BOHIGUES, JOSE ANTONIO; La Peña Del Rivero, Marcos De; Gago-Zachert, Selma; Gas, Maria E.; CARBONELL, ALBERTO; López Del Rincón, Carmelo; Martínez-De Alba, Angel E.; Di Serio, Francesco; Moreno, Pedro (Elsevier, 2022-04-15)

[EN] Ricardo Flores (1947-2020) focused his research on the identification, replication, pathogenesis, and evolution of viroids, the minimal non-protein-coding circular RNAs (250-400 nt) able to replicate and incite diseases ...
Intronic hammerhead ribozymes in mRNA biogenesis

García Robles, Inmaculada; Sanchez Navarro, Jesus Angel; La Peña del Rivero, Marcos de (Walter de Gruyter, 2012)

[EN] Small self-cleaving ribozymes are a group of natural RNAs that are capable of catalyzing their own and sequence-specific endonucleolytic cleavage. One of the most studied members is the hammerhead ribozyme (HHR), a ...
Retrozymes are a unique family of non-autonomous retrotransposons with hammerhead ribozymes that propagate in plants through circular RNAs

Cervera, Amelia; Urbina, Denisse; La Peña del Rivero, Marcos de (BioMed Central, 2016-06-23)

[EN] Background: Catalytic RNAs, or ribozymes, are regarded as fossils of a prebiotic RNA world that have remained in the genomes of modern organisms. The simplest ribozymes are the small self-cleaving RNAs, like the ...
Ribozimas en RNAs circulares como herramienta biotecnológica para el silenciamiento génico y viral: una nueva aproximación contra el SARS-CoV2

Muñoz Triviño, Jorge Jaime (Universitat Politècnica de València, 2021-07-30)

[ES] En el contexto de una pandemia mundial, ocasionada por el virus SARS-CoV2, que ha provocado más de cuatro millones de fallecidos en apenas más de un año, el surgimiento de nuevas estrategias terapéuticas para luchar ...
Ribozimas tipo Hairpin en el genoma de arroz revelan una antigua integración de un satélite viral de RNA

Contreras Garrido, Adrián Antonio (Universitat Politècnica de València, 2017-02-21)

[EN] Catalytic RNAs or ribozymes are considered survivors o f an hypothetic pre - biotic RNA world that would ha ve remained conserved in today organisms’ genomes. Most of the known catalytic RNA are short ...
Simultaneous boron ion-channel/growth factor receptor activation for enhanced vascularization

Rico Tortosa, Patricia María; Rodrigo Navarro, Aleixandre; La Peña Del Rivero, Marcos De; Moulisova, Vladimira; Costell, Mercedes; Salmerón Sánchez, Manuel (John Wiley & Sons, 2018-10-30)

[EN] Boron ion is essential in metabolism and its concentration is regulated by ion-channel NaBC1. NaBC1 mutations cause corneal dystrophies such as Harboyan syndrome. Here we propose a 3D molecular model for NaBC1 and ...
Viroid replication: Rolling-circles, enzymes and ribozymes

FLORES PEDAUYE, RICARDO; Gas, María-Eugenia; Molina-Serrano, Diego; Nohales, María-Ángeles; CARBONELL, ALBERTO; Gago, Selma; La Peña Del Rivero, Marcos De; Daròs, José-Antonio (MDPI AG, 2009-09)

[EN] Viroids, due to their small size and lack of protein-coding capacity, must rely essentially on their hosts for replication. Intriguingly, viroids have evolved the ability to replicate in two cellular organella, the ...
Viroids: the minimal non-coding RNAs with autonomous replication

FLORES PEDAUYE, RICARDO; Delgado Villar, Sonia Guadalupe; Gas, María-Eugenia; CARBONELL, ALBERTO; Molina, Diego; Gago, Selma; La Peña Del Rivero, Marcos De (John Wiley & Sons, 2004-06-01)

[EN] Viroids are small (246¿401 nucleotides), non-coding, circular RNAs able to replicate autonomously in certain plants. Viroids are classified into the families Pospiviroidae and Avsunviroidae, whose members replicate ...