Julie Lacroix-Labonté

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Substrate recognition by the VS ribozyme involves a magnesium-dependent loop/loop interaction between the SLI substrate and the SLV hairpin from the catalytic domain. Recent NMR studies of SLV demonstrated that magnesium ions stabilize a U-turn loop structure and trigger a conformational change for the extruded loop residue U700, suggesting a role for U700(More)
Compensatory mutations in RNA are generally regarded as those that maintain base pairing, and their identification forms the basis of phylogenetic predictions of RNA secondary structure. However, other types of compensatory mutations can provide higher-order structural and evolutionary information. Here, we present a helix-length compensation study for(More)
The Neurospora VS ribozyme is a catalytic RNA that has the unique ability to specifically recognize and cleave a stem-loop substrate through formation of a highly stable kissing-loop interaction (KLI). In order to explore the engineering potential of the VS ribozyme to cleave alternate substrates, we substituted the wild-type KLI by other known KLIs using(More)
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