Gene silencing as an adaptive defence against viruses

Article Abstract:

Scientists are beginning to recognize that phenotypes such as co-suppression and virus-derived transgene-mediated resistance are signs of a plant defence mechanism. It appears that gene silencing is the result of accidentally sparking off the plant's adaptive defence mechanism against viruses and transposable components.

Plants, Plants (Organisms), Diseases and pests

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Mobilization of transposons by mutation abolishing full DNA methylation in Arabidopsis

Article Abstract:

Research exploring the compositions of plant genomes is presented. Particular attention is given to ddm1 mutations inductive of developmental abnormalities in Arabidopsis. Methods of transposon mobilization are explored. It is concluded that the DDM1 gene is a behavior stabilizer for transposon.

Models, Transposons

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Total silencing by intronspliced hairpin RNAs

Article Abstract:

Issues are presented concerning the induction of post-transcriptional gene silencing in plants which have been transformed with co-suppression constructs or antisense.

RNA

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