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handle: 10261/4546
[ES] Los viroides, los agentes infecciosos conocidos más simples, están constituidos por una molécula circular de RNA monocatenario. A pesar de su pequeño tamaño (246‐401 nt) y de no codificar proteínas, son capaces de replicarse autónomamente, moverse sistémicamente, y causar enfermedades en ciertas plantas. En el presente trabajo hemos profundizado en el estudio de dos metodologías para el control de viroides basadas en ribozimas de cabeza de martillo con motivos de estabilización terciaria, y en RNAs interferentes que inducen en la planta una respuesta defensiva de silenciamiento génico mediado por RNA.
[CAT] Els viroides, els agents infecciosos més simples coneguts, estan constituits per una molècula circular de RNA monocatenari. Malgrat la seua petita mida (246‐401 nt) i de no codificar cap proteïna, són capaços de replicar‐se autónomament, moures sistèmicament, i causar malalties en certes plantes. Al present treball hem aprofundit en l’estudi de dues metodologies pel control de viroides basades en ribozims de cap de martell amb motius d’ estabilització terciària i en RNAs interferents que indueixen en la planta una resposta defensiva.
[EN] Viroids, the simplest infectious pathogens, are formed by a single‐stranded circular RNA. Despite their small size (246‐401 nt) and their inability for coding proteins, they replicate autonomously, move systemically, and incite diseases in certain plants. In the present work we have examined two methods for viroid control based on hammerhead ribozymes with tertiary stabilizing motifs, and on interfering RNAs that induce a plant defensive response.
Tesis doctoral del Departamento de Biotecnología de la Universidad Politécnica de Valencia realizada en el Instituto de Biología Molecular y Celular de Plantas (IBMCP-CSIC-UPV).
A.C. was supported by a pre‐doctoral fellowship from the Spanish Ministerio de Educación y Ciencia.
Peer reviewed
Viroide, Viroid, ADN Interference, 3108 - Fitopatología, 2415 - Biología molecula, 2403 - Bioquímica, 2420 - Virología, Resistencia, Ribozyme, Catalitic RNAs, Rna, Silenciamiento, Ribozima
Viroide, Viroid, ADN Interference, 3108 - Fitopatología, 2415 - Biología molecula, 2403 - Bioquímica, 2420 - Virología, Resistencia, Ribozyme, Catalitic RNAs, Rna, Silenciamiento, Ribozima
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