Manuel Ares

Unusual Intron Conservation near Tissue-Regulated Exons Found by Splicing Microarrays (2006)

Charles W. Sugnet, Karpagam Srinivasan, Tyson A. Clark, Georgeann O'Brien, Melissa S. Cline, Hui Wang, ...

Alternative splicing contributes to both gene regulation and protein diversity. To discover broad relationships between regulation of alternative splicing and sequence conservation, we applied a...

The structure of a rigorously conserved RNA element within the SARS virus genome (2005)

Robertson, Michael P, Igel, Haller, Baertsch, Robert, Haussler, David, Ares, Manuel, Scott, William G

We have solved the three- dimensional crystal structure of the stem- loop II motif ( s2m) RNA element of the SARS virus genome to 2.7- Angstrom resolution. SARS and related coronaviruses and...

The Structure of a Rigorously Conserved RNA Element within the SARS Virus Genome (2005)

Michael P. Robertson, Haller Igel, Robert Baertsch, David Haussler, Manuel Ares, William G. Scott

The SARS RNA genome contains a unique structure that resembles a portion of ribosomal RNA; this may allow the virus to hijack its hosts protein synthesis machinery.

The Structure of a Rigorously Conserved RNA Element within the SARS Virus Genome (2005)

Michael P. Robertson, Haller Igel, Robert Baertsch, David Haussler, Manuel Ares Jr., William G. Scott

We have solved the three-dimensional crystal structure of the stem-loop II motif (s2m) RNA element of the SARS virus genome to 2.7-Å resolution. SARS and related coronaviruses and astroviruses all...

Functional Cus1p is found with Hsh155p in a multiprotein splicing factor associated with U2 snRNA. (2000)

Pauling, Michelle Haynes, McPheeters, David S., Ares, Manuel

To explore the dynamics of snRNP structure and function, we have studied Cus1p, identified as a suppressor of U2 snRNA mutations in budding yeast. Cus1p is homologous to human SAP145, a protein...

Intron self-complementarity enforces exon inclusion in a yeast pre-mRNA

Howe, Kenneth James, Ares, Manuel

Skipping of internal exons during removal of introns from pre-mRNA must be avoided for proper expression of most eukaryotic genes. Despite significant understanding of the mechanics of intron...

Knowledge-based analysis of microarray gene expression data by using support vector machines

Brown, Michael P. S., Grundy, William Noble, Lin, David, Cristianini, Nello, Sugnet, Charles Walsh, Furey, Terrence S., ...

We introduce a method of functionally classifying genes by using gene expression data from DNA microarray hybridization experiments. The method is based on the theory of support vector machines...

CUS2, a Yeast Homolog of Human Tat-SF1, Rescues Function of Misfolded U2 through an Unusual RNA Recognition Motif

Yan, Dong, Perriman, Rhonda, Igel, Haller, Howe, Kenneth J., Neville, Megan, Ares, Manuel

A screen for suppressors of a U2 snRNA mutation identified CUS2, an atypical member of the RNA recognition motif (RRM) family of RNA binding proteins. CUS2 protein is associated with U2 RNA in...

Functional Cus1p Is Found with Hsh155p in a Multiprotein Splicing Factor Associated with U2 snRNA

Pauling, Michelle Haynes, McPheeters, David S., Ares, Manuel

To explore the dynamics of snRNP structure and function, we have studied Cus1p, identified as a suppressor of U2 snRNA mutations in budding yeast. Cus1p is homologous to human SAP145, a protein...

Removal of a Single α-Tubulin Gene Intron Suppresses Cell Cycle Arrest Phenotypes of Splicing Factor Mutations in Saccharomyces cerevisiae

Burns, C. Geoffrey, Ohi, Ryoma, Mehta, Sapna, O’Toole, Eileen T., Winey, Mark, Clark, Tyson A., ...

Genetic and biochemical studies of Schizosaccharomyces pombe and Saccharomyces cerevisiae have identified gene products that play essential functions in both pre-mRNA splicing and cell cycle control....

ATP requirement for Prp5p function is determined by Cus2p and the structure of U2 small nuclear RNA

Perriman, Rhonda, Barta, Imre, Voeltz, Gia K., Abelson, John, Ares, Manuel

Stable addition of U2 small nuclear ribonucleoprotein (snRNP) to form the prespliceosome is the first ATP-dependent step in splicing, and it requires the DEXD/H box ATPase Prp5p. However,...

ATP can be dispensable for prespliceosome formation in yeast

Perriman, Rhonda, Ares, Manuel

The first ATP-dependent step in pre-mRNA splicing involves the stable binding of U2 snRNP to form the prespliceosome. We show that a prespliceosome-like complex forms in the absence of ATP in yeast...

Alternative 3′-end processing of U5 snRNA by RNase III

Chanfreau, Guillaume, Elela, Sherif Abou, Ares, Manuel, Guthrie, Christine

The cellular components required to form the 3′ ends of small nuclear RNAs are unknown. U5 snRNA from Saccharomyces cerevisiae is found in two forms that differ in length at their 3′ ends (U5L...

Mer1p is a modular splicing factor whose function depends on the conserved U2 snRNP protein Snu17p

Spingola, Marc, Armisen, Javier, Ares, Manuel

Mer1p activates the splicing of at least three pre-mRNAs (AMA1, MER2, MER3) during meiosis in the yeast Saccharomyces cerevisiae. We demonstrate that enhancer recognition by Mer1p is separable from...

A new α-helical extension promotes RNA binding by the dsRBD of Rnt1p RNAse III

Leulliot, Nicolas, Quevillon-Cheruel, Sophie, Graille, Marc, Van Tilbeurgh, Herman, Leeper, Thomas C, Godin, Katherine S, ...

Rnt1 endoribonuclease, the yeast homolog of RNAse III, plays an important role in the maturation of a diverse set of RNAs. The enzymatic activity requires a conserved catalytic domain, while RNA...

Genome-wide searching for pseudouridylation guide snoRNAs: analysis of the Saccharomyces cerevisiae genome

Schattner, Peter, Decatur, Wayne A., Davis, Carrie A., Ares, Manuel, Fournier, Maurille J., Lowe, Todd M.

One of the largest families of small RNAs in eukaryotes is the H/ACA small nucleolar RNAs (snoRNAs), most of which guide RNA pseudouridine formation. So far, an effective computational method...

The Structure of a Rigorously Conserved RNA Element within the SARS Virus Genome

Robertson, Michael P, Igel, Haller, Baertsch, Robert, Haussler, David, Ares, Manuel, Scott, William G

We have solved the three-dimensional crystal structure of the stem-loop II motif (s2m) RNA element of the SARS virus genome to 2.7-Å resolution. SARS and related coronaviruses and astroviruses all...

Unusual Intron Conservation near Tissue-Regulated Exons Found by Splicing Microarrays

Sugnet, Charles W, Srinivasan, Karpagam, Clark, Tyson A, O'Brien, Georgeann, Cline, Melissa S, Wang, Hui, ...

Alternative splicing contributes to both gene regulation and protein diversity. To discover broad relationships between regulation of alternative splicing and sequence conservation, we applied a...

Prp43p Is a DEAH-Box Spliceosome Disassembly Factor Essential for Ribosome Biogenesis

Combs, D. Joshua, Nagel, Roland J., Ares, Manuel, Stevens, Scott W.

The known function of the DEXH/D-box protein Prp43p is the removal of the U2, U5, and U6 snRNPs from the postsplicing lariat-intron ribonucleoprotein complex. We demonstrate that affinity-purified...

Perturbation of transcription elongation influences the fidelity of internal exon inclusion in Saccharomyces cerevisiae

HOWE, KENNETH JAMES, KANE, CAROLINE M., ARES, MANUEL

Unknown mechanisms exist to ensure that exons are not skipped during biogenesis of mRNA. Studies have connected transcription elongation with regulated alternative exon inclusion. To determine...

Accumulation of unstable promoter-associated transcripts upon loss of the nuclear exosome subunit Rrp6p in Saccharomyces cerevisiae

Davis, Carrie Anne, Ares, Manuel

Mutations in RRP6 result in the accumulation of aberrant polyadenylated transcripts from small nucleolar RNA genes. We exploited this observation to search for novel noncoding RNA genes in the yeast...

Isolation and Genetic Characterization of a Mutation Affecting Ribosomal Resistance to Cycloheximide in Tetrahymena

Ares, Manuel, Bruns, Peter J.

A dominant mutation at a new locus affecting resistance to cycloheximide has been isolated by exploiting a synergistic relationship with a previously known mutation for cycloheximide resistance in...

Intron self-complementarity enforces exon inclusion in a yeast pre-mRNA

Howe, Kenneth James, Ares, Manuel

Skipping of internal exons during removal of introns from pre-mRNA must be avoided for proper expression of most eukaryotic genes. Despite significant understanding of the mechanics of intron...

Knowledge-based analysis of microarray gene expression data by using support vector machines

Brown, Michael P. S., Grundy, William Noble, Lin, David, Cristianini, Nello, Sugnet, Charles Walsh, Furey, Terrence S., ...

We introduce a method of functionally classifying genes by using gene expression data from DNA microarray hybridization experiments. The method is based on the theory of support vector machines...

CUS2, a Yeast Homolog of Human Tat-SF1, Rescues Function of Misfolded U2 through an Unusual RNA Recognition Motif

Yan, Dong, Perriman, Rhonda, Igel, Haller, Howe, Kenneth J., Neville, Megan, Ares, Manuel

A screen for suppressors of a U2 snRNA mutation identified CUS2, an atypical member of the RNA recognition motif (RRM) family of RNA binding proteins. CUS2 protein is associated with U2 RNA in...

Functional Cus1p Is Found with Hsh155p in a Multiprotein Splicing Factor Associated with U2 snRNA

Pauling, Michelle Haynes, McPheeters, David S., Ares, Manuel

To explore the dynamics of snRNP structure and function, we have studied Cus1p, identified as a suppressor of U2 snRNA mutations in budding yeast. Cus1p is homologous to human SAP145, a protein...

Removal of a Single α-Tubulin Gene Intron Suppresses Cell Cycle Arrest Phenotypes of Splicing Factor Mutations in Saccharomyces cerevisiae

Burns, C. Geoffrey, Ohi, Ryoma, Mehta, Sapna, O’Toole, Eileen T., Winey, Mark, Clark, Tyson A., ...

Genetic and biochemical studies of Schizosaccharomyces pombe and Saccharomyces cerevisiae have identified gene products that play essential functions in both pre-mRNA splicing and cell cycle control....

ATP requirement for Prp5p function is determined by Cus2p and the structure of U2 small nuclear RNA

Perriman, Rhonda, Barta, Imre, Voeltz, Gia K., Abelson, John, Ares, Manuel

Stable addition of U2 small nuclear ribonucleoprotein (snRNP) to form the prespliceosome is the first ATP-dependent step in splicing, and it requires the DEXD/H box ATPase Prp5p. However,...

ATP can be dispensable for prespliceosome formation in yeast

Perriman, Rhonda, Ares, Manuel

The first ATP-dependent step in pre-mRNA splicing involves the stable binding of U2 snRNP to form the prespliceosome. We show that a prespliceosome-like complex forms in the absence of ATP in yeast...

Alternative 3′-end processing of U5 snRNA by RNase III

Chanfreau, Guillaume, Elela, Sherif Abou, Ares, Manuel, Guthrie, Christine

The cellular components required to form the 3′ ends of small nuclear RNAs are unknown. U5 snRNA from Saccharomyces cerevisiae is found in two forms that differ in length at their 3′ ends (U5L...

Mer1p is a modular splicing factor whose function depends on the conserved U2 snRNP protein Snu17p

Spingola, Marc, Armisen, Javier, Ares, Manuel

Mer1p activates the splicing of at least three pre-mRNAs (AMA1, MER2, MER3) during meiosis in the yeast Saccharomyces cerevisiae. We demonstrate that enhancer recognition by Mer1p is separable from...

A new α-helical extension promotes RNA binding by the dsRBD of Rnt1p RNAse III

Leulliot, Nicolas, Quevillon-Cheruel, Sophie, Graille, Marc, Van Tilbeurgh, Herman, Leeper, Thomas C, Godin, Katherine S, ...

Rnt1 endoribonuclease, the yeast homolog of RNAse III, plays an important role in the maturation of a diverse set of RNAs. The enzymatic activity requires a conserved catalytic domain, while RNA...

Genome-wide searching for pseudouridylation guide snoRNAs: analysis of the Saccharomyces cerevisiae genome

Schattner, Peter, Decatur, Wayne A., Davis, Carrie A., Ares, Manuel, Fournier, Maurille J., Lowe, Todd M.

One of the largest families of small RNAs in eukaryotes is the H/ACA small nucleolar RNAs (snoRNAs), most of which guide RNA pseudouridine formation. So far, an effective computational method...

The Structure of a Rigorously Conserved RNA Element within the SARS Virus Genome

Robertson, Michael P, Igel, Haller, Baertsch, Robert, Haussler, David, Ares, Manuel, Scott, William G

We have solved the three-dimensional crystal structure of the stem-loop II motif (s2m) RNA element of the SARS virus genome to 2.7-Å resolution. SARS and related coronaviruses and astroviruses all...

Isolation and Genetic Characterization of a Mutation Affecting Ribosomal Resistance to Cycloheximide in Tetrahymena

Ares, Manuel, Bruns, Peter J.

A dominant mutation at a new locus affecting resistance to cycloheximide has been isolated by exploiting a synergistic relationship with a previously known mutation for cycloheximide resistance in...

Unusual Intron Conservation near Tissue-Regulated Exons Found by Splicing Microarrays

Sugnet, Charles W, Srinivasan, Karpagam, Clark, Tyson A, O'Brien, Georgeann, Cline, Melissa S, Wang, Hui, ...

Alternative splicing contributes to both gene regulation and protein diversity. To discover broad relationships between regulation of alternative splicing and sequence conservation, we applied a...

Prp43p Is a DEAH-Box Spliceosome Disassembly Factor Essential for Ribosome Biogenesis

Combs, D. Joshua, Nagel, Roland J., Ares, Manuel, Stevens, Scott W.

The known function of the DEXH/D-box protein Prp43p is the removal of the U2, U5, and U6 snRNPs from the postsplicing lariat-intron ribonucleoprotein complex. We demonstrate that affinity-purified...

Perturbation of transcription elongation influences the fidelity of internal exon inclusion in Saccharomyces cerevisiae

HOWE, KENNETH JAMES, KANE, CAROLINE M., ARES, MANUEL

Unknown mechanisms exist to ensure that exons are not skipped during biogenesis of mRNA. Studies have connected transcription elongation with regulated alternative exon inclusion. To determine...

Accumulation of unstable promoter-associated transcripts upon loss of the nuclear exosome subunit Rrp6p in Saccharomyces cerevisiae

Davis, Carrie Anne, Ares, Manuel

Mutations in RRP6 result in the accumulation of aberrant polyadenylated transcripts from small nucleolar RNA genes. We exploited this observation to search for novel noncoding RNA genes in the yeast...

Sing the Genome Electric: Excited Cells Adjust Their Splicing

Ares, Manuel

Neuronal depolarization regulates the alternative splicing of NMDA receptor subunits, providing molecular insight into how experience alters gene expression.

Ultraconserved elements are associated with homeostatic control of splicing regulators by alternative splicing and nonsense-mediated decay

Ni, Julie Z., Grate, Leslie, Donohue, John Paul, Preston, Christine, Nobida, Naomi, O’Brien, Georgeann, ...

Many alternative splicing events create RNAs with premature stop codons, suggesting that alternative splicing coupled with nonsense-mediated decay (AS-NMD) may regulate gene expression...

Rearrangement of competing U2 RNA helices within the spliceosome promotes multiple steps in splicing

Perriman, Rhonda J., Ares, Manuel

Nuclear pre-messenger RNA (pre-mRNA) splicing requires multiple spliceosomal small nuclear RNA (snRNA) and pre-mRNA rearrangements. Here we reveal a new snRNA conformational switch in which...

A post-transcriptional regulatory switch in polypyrimidine tract-binding proteins reprograms alternative splicing in developing neurons

Boutz, Paul L., Stoilov, Peter, Li, Qin, Lin, Chia-Ho, Chawla, Geetanjali, Ostrow, Kristin, ...

Many metazoan gene transcripts exhibit neuron-specific splicing patterns, but the developmental control of these splicing events is poorly understood. We show that the splicing of a large group of...

Structural RNAs of known and unknown function identified in malaria parasites by comparative genomics and RNA analysis

Chakrabarti, Kausik, Pearson, Michael, Grate, Leslie, Sterne-Weiler, Timothy, Deans, Jonathan, Donohue, John Paul, ...

As the genomes of more eukaryotic pathogens are sequenced, understanding how molecular differences between parasite and host might be exploited to provide new therapies has become a major focus....