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Listar por autor "Nohales Zafra, Maria Angeles"

Mostrando ítems 1-11 de 11

A chloroplastic RNA ligase activity analogous to the bacterial and archaeal 2 '-5 ' RNA ligase

Molina Serrano, Diego; Marques Signes, Jorge; Nohales Zafra, Maria Angeles; Flores Pedauye, Ricardo; Daros Arnau, Jose Antonio (Taylor &amp; Francis: STM, Behavioural Science and Public Health Titles, 2012-03)

[EN] Bacteria and archaea contain a 2'-5' RNA ligase that seals in vitro 2',3'-cyclic phosphodiester and 5'-hydroxyl RNA termini, generating a 2',5'-phosphodiester bond. In our search for an RNA ligase able to circularize ...
Biochemical quantitation of the eIF5A hypusination in Arabidopsis thaliana uncovers ABA-dependent regulation

Belda Palazón, Borja; Nohales Zafra, Maria Angeles; Rambla Nebot, Jose Luis; Aceña, José L.; Delgado, Oscar; Fustero Lardies, Santos; Martínez, M. Carmen; Granell Richart, Antonio; Carbonell Gisbert, Juan; Ferrando Monleón, Alejandro Ramón (Frontiers Media, 2014-05-16)

The eukaryotic translation elongation factor eIF5A is the only protein known to contain the unusual amino acid hypusine which is essential for its biological activity. This post-translational modification is achieved by ...
Caracterización de la modulación circadiana de la respuesta a sombra a través de la interacción entre GI y PIF7

Martínez Vasallo, Carlos (Universitat Politècnica de València, 2022-02-10)

[ES] El presente trabajo final de master tiene como objetivo investigar el papel de un componente del reloj circadiano en plantas, GIGANTEA (GI), en la regulación de la respuesta de evasión de la sombra. Concretamente, se ...
Caracterización de actividades RNA ligasa implicadas en la replicación de los viroides nucleares y cloroplásticos

Nohales Zafra, Maria Angeles (Universitat Politècnica de València, 2011-10-21)

Los viroides son pequeños RNAs circulares de cadena sencilla (246-401 nt) patógenos de plantas. A pesar de su pequeño tamaño y de no codificar proteínas, son capaces de replicarse autónomamente, moverse sistémicamente y, ...
Caracterización molecular del papel del reloj circadiano en la defensa frente a patógenos mediada por ácido jasmónico

Acien Luque, Juan Manuel (Universitat Politècnica de València, 2022-02-15)

[ES] La duración de las horas de luz y oscuridad es una señal importante en la determinación de distintos procesos fisiológicos y del desarrollo. El reloj circadiano es un mecanismo molecular que permite a los organismos ...
Contribución de GIGANTEA a la modulación circadiana de la defensa frente a patógenos mediada por ácido jasmónico.

Salazar Vergara, Rosa (Universitat Politècnica de València, 2024-02-14)

[ES] El reloj circadiano es un mecanismo molecular que permite a los organismos anticiparse a los cambios en las condiciones ambientales que ocurren de manera periódica y predecible a lo largo del día y las estaciones. A ...
CryoEM structures of Arabidopsis DDR complexes involved in RNA-directed DNA methylation

Wongpalee, Somsakul Pop; Liu, Shiheng; Gallego Bartolomé, Javier; Leitner, Alexander; Aebersold, Ruedi; Liu, Wanlu; Yen, Linda; Nohales, Maria A.; Kuo, Peggy Hsuanyu; Vashisht, Ajay A.; Wohlschlegel, James A.; Feng, Suhua; Kay, Steve A.; Zhou, Z. Hong; Jacobsen, Steven E. (Nature Publishing Group, 2019-09-02)

[EN] Transcription by RNA polymerase V (Pol V) in plants is required for RNA-directed DNA methylation, leading to transcriptional gene silencing. Global chromatin association of Pol V requires components of the DDR complex ...
Involvement of the Chloroplastic Isoform of tRNA Ligase in the Replication of Viroids Belonging to the Family Avsunviroidae

Nohales Zafra, Maria Angeles; Molina Serrano, Diego; Flores Pedauye, Ricardo; Daros Arnau, Jose Antonio (American Society for Microbiology, 2012)

Avocado sunblotch viroid, peach latent mosaic viroid, chrysanthemum chlorotic mottle viroid, and eggplant latent viroid (ELVd), the four recognized members of the family Avsunviroidae, replicate through the symmetric pathway ...
Ribosomal protein L5 and transcription factor IIIA from Arabidopsis thaliana bind in vitro specifically Potato spindle tuber viroid RNA

Eiras, Marcelo; Nohales Zafra, Maria Angeles; Kitajima, Elliot J.; Flores Pedauye, Ricardo; Daros Arnau, Jose Antonio (Springer Verlag (Germany), 2011-03)

[EN] Potato spindle tuber viroid (PSTVd) contains an element of tertiary structure -loop E- also present in eukaryotic 5S rRNA. The ribosomal protein L5 and transcription factor IIIA (TFIIIA) from Arabidopsis thaliana bind ...
Rolling-circle replication of viroids, viroid-like satellite RNAs and hepatitis delta virus: variations on a theme

Flores Pedauye, Ricardo; Grubb, Clayton Douglas; Elleuch, Amine; Nohales Zafra, Maria Angeles; Delgado, Sonia; Gago Zachert, Selma Persida (Taylor & Francis, 2011-04)

[EN] Viroids and viroid-like satellite RNAs from plants, and the human hepatitis delta virus (HDV) RNA share some properties that include small size, circularity and replication through a rolling-circle mechanism. Replication ...
Viroid RNA redirects host DNA ligase 1 to act as an RNA ligase

Nohales Zafra, Maria Angeles; Flores Pedauye, Ricardo; Daros Arnau, Jose Antonio (National Academy of Sciences, 2012-08-21)

[EN] Viroids are a unique class of noncoding RNAs: composed of only a circular, single-stranded molecule of 246-401 nt, they manage to replicate, move, circumvent host defenses, and frequently induce disease in higher ...