Search Results - "Prévost, Karine"

Dynamic interactions between the RNA chaperone Hfq, small regulatory RNAs, and mRNAs in live bacterial cells by Park, Seongjin, Prévost, Karine, Heideman, Emily M, Carrier, Marie-Claude, Azam, Muhammad S, Reyer, Matthew A, Liu, Wei, Massé, Eric, Fei, Jingyi

“…RNA-binding proteins play myriad roles in regulating RNAs and RNA-mediated functions. In bacteria, the RNA chaperone Hfq is an important post-transcriptional…”
Get full text

The noncoding RNA CcnA modulates the master cell cycle regulators CtrA and GcrA in Caulobacter crescentus by Beroual, Wanassa, Prévost, Karine, Lalaouna, David, Ben Zaina, Nadia, Valette, Odile, Denis, Yann, Djendli, Meriem, Brasseur, Gaël, Brilli, Matteo, Robledo Garrido, Marta, Jimenez-Zurdo, Jose-Ignacio, Massé, Eric, Biondi, Emanuele G

“…Bacteria are powerful models for understanding how cells divide and accomplish global regulatory programs. In Caulobacter crescentus, a cascade of essential…”
Get full text

Disturbance of the human gut microbiota in patients with Myotonic Dystrophy type 1 by Mahdavi, Manijeh, Prévost, Karine, Balthazar, Philippe, Hus, Isabelle Fisette-Paul, Duchesne, Élise, Dumont, Nicolas, Gagné-Ouellet, Valérie, Gagnon, Cynthia, Laforest-Lapointe, Isabelle, Massé, Eric

“…Myotonic dystrophy type 1 (DM1) is a rare autosomal dominant genetic disorder. Although DM1 is primarily characterized by progressive muscular weakness, it…”
Get full text

GcvB small RNA uses two distinct seed regions to regulate an extensive targetome by Lalaouna, David, Eyraud, Alex, Devinck, Aurélie, Prévost, Karine, Massé, Eric

“…Summary GcvB small RNA is described as post‐transcriptional regulator of 1–2% of all mRNAs in Escherichia coli and Salmonella Typhimurium. At least 24…”
Get full text

Small RNA-induced differential degradation of the polycistronic mRNA iscRSUA by Desnoyers, Guillaume, Morissette, Audrey, Prévost, Karine, Massé, Eric

“…Most polycistronic genes are expressed in a single transcript, in which each cistron produces a fixed amount of protein. In this report, we show the first…”
Get full text

Small RNA-induced mRNA degradation achieved through both translation block and activated cleavage by Prévost, Karine, Desnoyers, Guillaume, Jacques, Jean-François, Lavoie, François, Massé, Eric

“…Small RNA (sRNA)-induced mRNA degradation occurs through binding of an sRNA to a target mRNA with the concomitant action of the RNA degradosome, which induces…”
Get full text

Identification of unknown RNA partners using MAPS by Lalaouna, David, Prévost, Karine, Eyraud, Alex, Massé, Eric

“…•MAPS is a powerful method for RNA:RNA duplex identification.•MAPS is able to identify all types of in vivo RNA:RNA interaction.•MAPS has been performed with…”
Get full text

Translational control and Rho-dependent transcription termination are intimately linked in riboswitch regulation by Bastet, Laurène, Chauvier, Adrien, Singh, Navjot, Lussier, Antony, Lamontagne, Anne-Marie, Prévost, Karine, Massé, Eric, Wade, Joseph T, Lafontaine, Daniel A

“…Riboswitches are regulatory elements that control gene expression by altering RNA structure upon the binding of specific metabolites. Although Bacillus…”
Get full text

Contrasting silencing mechanisms of the same target mRNA by two regulatory RNAs in Escherichia coli by Lalaouna, David, Prévost, Karine, Laliberté, Guillaume, Houé, Vincent, Massé, Eric

“…Abstract Small RNAs are key components of complex regulatory networks. These molecules can integrate multiple cellular signals to control specific target…”
Get full text

The small RNA RyhB activates the translation of shiA mRNA encoding a permease of shikimate, a compound involved in siderophore synthesis by Prévost, Karine, Salvail, Hubert, Desnoyers, Guillaume, Jacques, Jean‐François, Phaneuf, Émilie, Massé, Eric

“…Summary RyhB is a small RNA (sRNA) that downregulates about 20 genes involved in iron metabolism. It is expressed under low iron conditions and pairs with…”
Get full text

Identification of bacterial sRNA regulatory targets using ribosome profiling by Wang, Jing, Rennie, William, Liu, Chaochun, Carmack, Charles S, Prévost, Karine, Caron, Marie-Pier, Massé, Eric, Ding, Ye, Wade, Joseph T

“…Bacteria express large numbers of non-coding, regulatory RNAs known as 'small RNAs' (sRNAs). sRNAs typically regulate expression of multiple target messenger…”
Get full text

Immune System Modulations by Products of the Gut Microbiota by Chénard, Thierry, Prévost, Karine, Dubé, Jean, Massé, Eric

“…The gut microbiota, which consists of all bacteria, viruses, fungus, and protozoa living in the intestine, and the immune system have co-evolved in a symbiotic…”
Get full text

MS2-Affinity Purification Coupled with RNA Sequencing in Gram-Positive Bacteria by Mercier, Noémie, Prévost, Karine, Massé, Eric, Romby, Pascale, Caldelari, Isabelle, Lalaouna, David

“…Although small regulatory RNAs (sRNAs) are widespread among the bacterial domain of life, the functions of many of them remain poorly characterized notably due…”
Get more information

Optimizing Fecal Occult Blood Test (FOBT) Colorectal Cancer Screening Using Gut Bacteriome as a Biomarker by Chowdhury, Moumita Roy, Hone, Karina Gisèle Mac Si, Prévost, Karine, Balthazar, Philippe, Avino, Mariano, Arguin, Mélina, Beaudoin, Jude, Malick, Mandy, Desgagné, Michael, Robert, Gabriel, Scott, Michelle, Dubé, Jean, Laforest-Lapointe, Isabelle, Massé, Eric

“…Colorectal cancer (CRC) is a major cause of cancer mortality in the world. One of the most widely used screening tests for CRC is the immunochemical fecal…”
Get full text

RyhB small RNA modulates the free intracellular iron pool and is essential for normal growth during iron limitation in Escherichia coli by Jacques, Jean‐François, Jang, Soojin, Prévost, Karine, Desnoyers, Guillaume, Desmarais, Maxime, Imlay, James, Massé, Eric

“…Summary The small RNA RyhB has recently been shown to negatively regulate a number of mRNAs encoding dispensable iron‐using proteins in Escherichia coli. The…”
Get full text

Binding of the RNA Chaperone Hfq on Target mRNAs Promotes the Small RNA RyhB-Induced Degradation in Escherichia coli by Lalaouna, David, Prévost, Karine, Park, Seongjin, Chénard, Thierry, Bouchard, Marie-Pier, Caron, Marie-Pier, Vanderpool, Carin K., Fei, Jingyi, Massé, Eric

“…Many RNA-RNA interactions depend on molecular chaperones to form and remain stable in living cells. A prime example is the RNA chaperone Hfq, which is a…”
Get full text

Cellular Distribution and Diffusivity of Hfq with Interacting RNAs by Park, Seongjin, Prévost, Karine, Reyer, Matt, Heideman, Emily, Liu, Wei, Massé, Eric, Fei, Jingyi

Get full text

Remote control of mRNA cleavage by a small RNA by Benjamin, Julie-Anna M., Prévost, Karine, Massé, Eric

“…Comment on: Prévost K, et al. Genes Dev 2011; 25:385-96…”
Get full text

Escherichia coli ribosomal protein S1 enhances the kinetics of ribosome biogenesis and RNA decay by Duval, Mélodie, Prévost, Karine, Bandyra, Katarzyna, Helfer, Anne Catherine, Korepanov, Alexey, Bakhti, Latifa, Kuhn, Laurianne, Springer, Mathias, Romby, Pascale, Luisi, Ben, Massé, Eric, Marzi, Stefano

“…Summary Escherichia coli ribosomal protein S1 is essential for translation initiation of mRNAs and for cellular viability. Two oligonucleotide binding…”
Get full text

Effect of chitosan and a biocontrol streptomycete on field and potato tuber bacterial communities by Prévost, Karine, Couture, Geneviève, Shipley, Bill, Brzezinski, Ryszard, Beaulieu, Carole

“…Four treatments applied on potato seed tubers i.e. talc only, chitosan only, Streptomyces melanosporofaciens strain EF-76 in talc and S. melanosporofaciens…”
Get full text