Index Catalog // ScholarsArchive@OSU

Endogenous Small RNA Mediates Meiotic Silencing of a Novel DNA Transposon

Creator:: Wang, Yizhou, Smith, Kristina M., Taylor, John W., Freitag, Michael, and Stajich, Jason E.
Abstract:: Genome defense likely evolved to curtail the spread of transposable elements and invading viruses. A combination of effective defense mechanisms has been shown to limit colonization of the Neurospora crassa genome by transposable elements. A novel DNA transposon named Sly1-1 was discovered in the genome of the most widely used...
Resource Type:: Article

Histone modifications rather than the novel regional centromeres of Zymoseptoria tritici distinguish core and accessory chromosomes

Creator:: Schotanus, Klaas, Soyer, Jessica L., Connolly, Lanelle R., Grandaubert, Jonathan, Happel, Petra, Smith, Kristina M., Freitag, Michael, and Stukenbrock, Eva H.
Abstract:: Background: Supernumerary chromosomes have been found in many organisms. In fungi, these “accessory” or “dispensable” chromosomes are present at different frequencies in populations and are usually characterized by higher repetitive DNA content and lower gene density when compared to the core chromosomes. In the reference strain of the wheat pathogen,...
Resource Type:: Article

Analysis of clock-regulated genes in Neurospora reveals widespread posttranscriptional control of metabolic potential

Creator:: Hurley, Jennifer M., Dasgupta, Arko, Emerson, Jillian M., Smith, Kristina M., Freitag, Michael, Zhou, Xiaoying, Ringelberg, Carol S., Knabe, Nicole, Lipzen, Anna, Linduist, Erika A., Daum, Christopher G., Barry, Kerrie W., Grigoriev, Igor V., Galagan, James E., Bell-Pederson, Deborah, Cheng, Chao, Loros, Jennifer J., and Dunlap, Jay C.
Abstract:: Neurospora crassa has been for decades a principal model for filamentous fungal genetics and physiology as well as for understanding the mechanism of circadian clocks. Eukaryotic fungal and animal clocks comprise transcription-translation-based feedback loops that control rhythmic transcription of a substantial fraction of these transcriptomes, yielding the changes in protein...
Resource Type:: Article

Genome-Wide Characterization of Light-Regulated Genes in Neurospora crassa

Creator:: Wu, Cheng, Yang, Fei, Smith, Kristina M., Peterson, Matthew, Dekhang, Rigzin, Zhang, Ying, Zucker, Jeremy, Bredeweg, Erin L., Mallappa, Chandrashekara, Zhou, Xiaoying, Lyubetskaya, Anna, Townsend, Jeffrey P., Galagan, James E., Freitag, Michael, Dunlap, Jay C., Bell-Pedersen, Deborah, and Sachs, Matthew S.
Abstract:: The filamentous fungus Neurospora crassa responds to light in complex ways. To thoroughly study the transcriptional response of this organism to light, RNA-seq was used to analyze capped and polyadenylated mRNA prepared from mycelium grown for 24 hr in the dark and then exposed to light for 0 (control) 15,...
Resource Type:: Article

Thermal Stress Triggers Broad Pocillopora damicornis Transcriptomic Remodeling, while Vibrio coralliilyticus Infection Induces a More Targeted Immuno-Suppression Response

Creator:: Vidal-Dupiol, Jeremie, Dheilly, Nolwenn M., Rondon, Rodolfo, Smith, Kristina M., Freitag, Michael, Grunau, Christoph, Cosseau, Celine, Adjeroud, Mehdi, and Mitta, Guillame
Abstract:: Global change and its associated temperature increase has directly or indirectly changed the distributions of hosts and pathogens, and has affected host immunity, pathogen virulence and growth rates. This has resulted in increased disease in natural plant and animal populations worldwide, including scleractinian corals. While the effects of temperature increase...
Resource Type:: Article

The Fusarium graminearum Histone H3 K27 Methyltransferase KMT6 Regulates Development and Expression of Secondary Metabolite Gene Clusters

Creator:: Connolly, Lanelle R., Smith, Kristina M., and Freitag, Michael
Abstract:: The cereal pathogen Fusarium graminearum produces secondary metabolites toxic to humans and animals, yet coordinated transcriptional regulation of gene clusters remains largely a mystery. By chromatin immunoprecipitation and high-throughput DNA sequencing (ChIP-seq) we found that regions with secondary metabolite clusters are enriched for trimethylated histone H3 lysine 27 (H3K27me3), a...
Resource Type:: Article

Deciphering the Cryptic Genome: Genome-wide Analyses of the Rice Pathogen Fusarium fujikuroi Reveal Complex Regulation of Secondary Metabolism and Novel Metabolites

Creator:: Wiemann, Philipp, Sieber, Christian M. K., von Bargen, Katharina W., Studt, Lena, Niehaus, Eva- Maria, Espino, Jose J., Huß, Kathleen, Michielse, Caroline B., Albermann, Sabine, Wagner, Dominik, Bergner, Sonja V., Connolly, Lanelle R., Fischer, Andreas, Reuter, Gunter, Kleigrewe, Karin, Bald, Till, Wingfield, Brenda D., Ophir, Ron, Freeman, Stanley, Hippler, Michael, Smith, Kristina M., Brown, Daren W., Proctor, Robert H., Munsterkotter, Martin, Freitag, Michael, Humpf, Hans-Ulrich, Guldener, Ulrich, and Tudzynski, Bettina
Abstract:: The fungus Fusarium fujikuroi causes "bakanae" disease of rice due to its ability to produce gibberellins (GAs), but it is also known for producing harmful mycotoxins. However, the genetic capacity for the whole arsenal of natural compounds and their role in the fungus' interaction with rice remained unknown. Here, we...
Resource Type:: Article

Genes Related to Ion-Transport and Energy Production Are Upregulated in Response to CO₂-Driven pH Decrease in Corals: New Insights from Transcriptome Analysis

Creator:: Vidal-Dupiol, Jeremie, Zoccola, Didier, Tambutté, Eric, Grunau, Christoph, Cosseau, Céline, Smith, Kristina M., Freitag, Michael, Dheilly, Nolwenn M., Allemand, Denis, and Tambutté, Sylvie
Abstract:: Since the preindustrial era, the average surface ocean pH has declined by 0.1 pH units and is predicted to decline by an additional 0.3 units by the year 2100. Although subtle, this decreasing pH has profound effects on the seawater saturation state of carbonate minerals and is thus predicted to...
Resource Type:: Article

Functional Analyses of Trichoderma reesei LAE1 Reveal Conserved and Contrasting Roles of This Regulator

Creator:: Karimi-Aghcheh, Razieh, Bok, Jin Woo, Phatale, Pallavi A., Smith, Kristina M., Baker, Scott E., Lichius, Alexander, Omann, Markus, Zeilinger, Susanne, Seiboth, Bernhard, Rhee, Catherine, Keller, Nancy P., Freitag, Michael, and Kubicek, Christian P.
Abstract:: The putative methyltransferase LaeA is a global regulator that affects the expression of multiple secondary metabolite gene clusters in several fungi, and it can modify heterochromatin structure in Aspergillus nidulans. We have recently shown that the LaeA ortholog of Trichoderma reesei (LAE1), a fungus that is an industrial producer of...
Resource Type:: Article

ScholarsArchive@OSU

Endogenous Small RNA Mediates Meiotic Silencing of a Novel DNA Transposon

Histone modifications rather than the novel regional centromeres of Zymoseptoria tritici distinguish core and accessory chromosomes

Analysis of clock-regulated genes in Neurospora reveals widespread posttranscriptional control of metabolic potential

Genome-Wide Characterization of Light-Regulated Genes in Neurospora crassa

Thermal Stress Triggers Broad Pocillopora damicornis Transcriptomic Remodeling, while Vibrio coralliilyticus Infection Induces a More Targeted Immuno-Suppression Response

The Fusarium graminearum Histone H3 K27 Methyltransferase KMT6 Regulates Development and Expression of Secondary Metabolite Gene Clusters

Deciphering the Cryptic Genome: Genome-wide Analyses of the Rice Pathogen Fusarium fujikuroi Reveal Complex Regulation of Secondary Metabolism and Novel Metabolites

Genes Related to Ion-Transport and Energy Production Are Upregulated in Response to CO₂-Driven pH Decrease in Corals: New Insights from Transcriptome Analysis

Functional Analyses of Trichoderma reesei LAE1 Reveal Conserved and Contrasting Roles of This Regulator

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