User profiles for Daniel LaFontaine
Daniel LafontaineProfessor, Biology, Université de Sherbrooke Verified email at usherbrooke.ca Cited by 4127 |
[HTML][HTML] Folding of the adenine riboswitch
The pbuE adenine riboswitch undergoes metal ion-dependent folding that involves a loop-loop
interaction. Binding of 2-aminopurine to the aptamer domain strongly correlates with the …
interaction. Binding of 2-aminopurine to the aptamer domain strongly correlates with the …
[HTML][HTML] Novel riboswitch ligand analogs as selective inhibitors of guanine-related metabolic pathways
…, M Allard, LC Fortier, F Malouin, DA Lafontaine - PLoS …, 2010 - journals.plos.org
Riboswitches are regulatory elements modulating gene expression in response to specific
metabolite binding. It has been recently reported that riboswitch agonists may exhibit …
metabolite binding. It has been recently reported that riboswitch agonists may exhibit …
Dual-acting riboswitch control of translation initiation and mRNA decay
…, E Massé, DA Lafontaine - Proceedings of the …, 2012 - National Acad Sciences
Riboswitches are mRNA regulatory elements that control gene expression by altering their
structure in response to specific metabolite binding. In bacteria, riboswitches consist of an …
structure in response to specific metabolite binding. In bacteria, riboswitches consist of an …
[HTML][HTML] Comparative study between transcriptionally-and translationally-acting adenine riboswitches reveals key differences in riboswitch regulatory mechanisms
…, L Bastet, P St-Pierre, E Massé, DA Lafontaine - PLoS …, 2011 - journals.plos.org
Many bacterial mRNAs are regulated at the transcriptional or translational level by ligand-binding
elements called riboswitches. Although they both bind adenine, the adenine …
elements called riboswitches. Although they both bind adenine, the adenine …
Effects of freezing and cryopreservation on the mechanical properties of arteries
…, ED Grassl, VH Barocas, D Lafontaine… - Annals of Biomedical …, 2006 - Springer
Cryoplasty, a freezing therapy, is being used for the treatment of restenosis in peripheral
arteries. In addition, cryo-preserved arteries are increasingly used in vascular grafts. While …
arteries. In addition, cryo-preserved arteries are increasingly used in vascular grafts. While …
Regulatory RNAs and target mRNA decay in prokaryotes
D Lalaouna, M Simoneau-Roy, D Lafontaine… - … et Biophysica Acta (BBA …, 2013 - Elsevier
Recent advances in prokaryote genetics have highlighted the important and complex roles
of small regulatory RNAs (sRNAs). Although blocking mRNA translation is often the main …
of small regulatory RNAs (sRNAs). Although blocking mRNA translation is often the main …
Cyclic di-GMP riboswitch-regulated type IV pili contribute to aggregation of Clostridium difficile
Clostridium difficile is an anaerobic Gram-positive bacterium that causes intestinal
infections with symptoms ranging from mild diarrhea to fulminant colitis. Cyclic diguanosine …
infections with symptoms ranging from mild diarrhea to fulminant colitis. Cyclic diguanosine …
Therapeutic applications of ribozymes and riboswitches
J Mulhbacher, P St-Pierre, DA Lafontaine - Current opinion in …, 2010 - Elsevier
Therapeutic approaches employing RNA as a tool or as a drug target have recently emerged
and have been employed for various applications—ranging from cancer treatment to virus …
and have been employed for various applications—ranging from cancer treatment to virus …
Molecular insights into the ligand-controlled organization of the SAM-I riboswitch
…, E Ennifar, JC Penedo, DA Lafontaine - Nature chemical …, 2011 - nature.com
S-adenosylmethionine (SAM) riboswitches are widespread in bacteria, and up to five different
SAM riboswitch families have been reported, highlighting the relevance of SAM regulation. …
SAM riboswitch families have been reported, highlighting the relevance of SAM regulation. …
Ligand recognition determinants of guanine riboswitches
J Mulhbacher, DA Lafontaine - Nucleic acids research, 2007 - academic.oup.com
Guanine riboswitches negatively modulate transcription upon guanine binding. The aptamer
domain is organized around a three-way junction which forms the ligand binding site. Using …
domain is organized around a three-way junction which forms the ligand binding site. Using …