Ontology highlight
ABSTRACT:
ORGANISM(S): Zea mays
SUBMITTER: Blake Meyers
PROVIDER: E-GEOD-12173 | biostudies-arrayexpress |
REPOSITORIES: biostudies-arrayexpress
Proceedings of the National Academy of Sciences of the United States of America 20080924 39
Small RNAs from plants are known to be highly complex and abundant, with this complexity proportional to genome size. Most endogenous siRNAs in Arabidopsis are dependent on RNA-DEPENDENT RNA POLYMERASE 2 (RDR2) for their biogenesis. Recent work has demonstrated that the maize MEDIATOR OF PARAMUTATION1 (mop1) gene is a predicted ortholog of RDR2. The mop1 gene is required for establishment of paramutation and maintenance of transcriptional silencing of transposons and transgenes, suggesting the p ...[more]