Index Catalog // ScholarsArchive@OSU

Methylome reorganization during in vitro dedifferentiation and regeneration of Populus trichocarpa

Creator:: Vining, Kelly, Pomraning, Kyle R., Wilhelm, Larry J., Ma, Cathleen, Pellegrini, Matteo, Di, Yanming, Mockler, Todd C., Freitag, Michael, and Strauss, Steven H.
Abstract:: Background: Cytosine DNA methylation (5mC) is an epigenetic modification that is important to genome stability and regulation of gene expression. Perturbations of 5mC have been implicated as a cause of phenotypic variation among plants regenerated through in vitro culture systems. However, the pattern of change in 5mC and its functional...
Resource Type:: Article
Full Text:: wrote the paper. All authors read and approved the final manuscript. Acknowledgements This work was

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

MTB-3, a Microtubule Plus-End Tracking Protein (+TIP) of Neurospora crassa

Creator:: Mourino-Perez, Rosa R., Linacre-Rojas, Lorena P., Roman-Gavilanes, Ariana I., Lew, Thomas K., Callejas-Negrete, Olga A., Roberson, Robert W., and Freitag, Michael
Abstract:: The microtubule (MT) "plus end" constitutes the platform for the accumulation of a structurally and functionally diverse group of proteins, collectively called "MT plus-end tracking proteins" (+TIPs). +TIPs control MT dynamics and link MTs to diverse sub-cellular structures. Neurospora crassa MicroTubule Binding protein-3 (MTB-3) is the homolog of yeast EB1,...
Resource Type:: Article
Full Text:: Editor: Christopher Beh, Simon Fraser University, Canada Received January 31, 2013; Accepted June 21

FreitagKinetochoreInteractionNetwork.pdf

Creator:: Freitag, Michael
Abstract:: Chromosome segregation relies on coordinated activity of a large assembly of proteins, the kinetochore interaction network (KIN). How conserved the underlying mechanisms driving the epigenetic phenomenon of centromere and kinetochore assembly and maintenance are remains unclear, even though various eukaryotic models have been studied. More than 50 different proteins, many...
Full Text:: (Cheeseman et al. 2006), contains at Submitted 19 Oct 2015; accepted for publication 23 Oct 2015. 1

ConnollyLanelleBiochemistryBiophysicsFusariumGraminearumHistone.pdf

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...
Full Text:: Francisco, United States of America Received July 17, 2013; Accepted September 10, 2013; Published October

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
Full Text:: Gothenburg, Sweden Received August 30, 2012; Accepted February 7, 2013; Published March 27, 2013 Copyright

Dynamic DNA cytosine methylation in the Populus trichocarpa genome: tissue-level variation and relationship to gene expression

Creator:: Vining, Kelly J., Pomraning, Kyle R., Wilhelm, Larry J., Priest, Henry D., Pellegrini, Matteo, Mockler, Todd C., Freitag, Michael, and Strauss, Steven H.
Abstract:: Background: DNA cytosine methylation is an epigenetic modification that has been implicated in many biological processes. However, large-scale epigenomic studies have been applied to very few plant species, and variability in methylation among specialized tissues and its relationship to gene expression is poorly understood. Results: We surveyed DNA methylation from...
Resource Type:: Article

Chromatin structural changes around satellite repeats on the female sex chromosome in Schistosoma mansoni and their possible role in sex chromosome emergence

Creator:: Lepesant, Julie M. J., Cosseau, Celine, Boissier, Jerome, Freitag, Michael, Portela, Julien, Climent, Deborah, Perrin, Cecile, Zerlotini, Adhemar, and Grunau, Christoph
Abstract:: Background: In the leuphotrochozoan parasitic platyhelminth Schistosoma mansoni, male individuals are homogametic (ZZ) whereas females are heterogametic (ZW). To elucidate the mechanisms that led to the emergence of sex chromosomes, we compared the genomic sequence and the chromatin structure of male and female individuals. As for many eukaryotes, the lower...
Resource Type:: Article

Expression of a Structural Protein of the Mycovirus FgV-ch9 Negatively Affects the Transcript Level of a Novel Symptom Alleviation Factor and Causes Virus Infection-Like Symptoms in Fusarium graminearum

Creator:: Bormann, Joerg, Heinze, Cornelia, Blum, Christine, Mentges, Michael, Brockmann, Anke, Alder, Arne, Landt, Svenja Kim, Josephson, Brian, Indenbirken, Daniela, Spohn, Michael, Plitzko, Birte, Loesgen, Sandra, Freitag, Michael, and Schaefer, Wilhelm
Abstract:: Infections of fungi by mycoviruses are often symptomless but sometimes also fatal, as they perturb sporulation, growth, and, if applicable, virulence of the fungal host. Hypovirulence-inducing mycoviruses, therefore, represent a powerful means to defeat fungal epidemics on crop plants. Infection with Fusarium graminearum virus China 9 (FgV-ch9), a double-stranded RNA...
Resource Type:: Article
Full Text:: infection and response may aid biological pest Received 26 February 2018 Accepted 30 May 2018 Accepted

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

ScholarsArchive@OSU

Methylome reorganization during in vitro dedifferentiation and regeneration of Populus trichocarpa

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

MTB-3, a Microtubule Plus-End Tracking Protein (+TIP) of Neurospora crassa

FreitagKinetochoreInteractionNetwork.pdf

ConnollyLanelleBiochemistryBiophysicsFusariumGraminearumHistone.pdf

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

Dynamic DNA cytosine methylation in the Populus trichocarpa genome: tissue-level variation and relationship to gene expression

Chromatin structural changes around satellite repeats on the female sex chromosome in Schistosoma mansoni and their possible role in sex chromosome emergence

Expression of a Structural Protein of the Mycovirus FgV-ch9 Negatively Affects the Transcript Level of a Novel Symptom Alleviation Factor and Causes Virus Infection-Like Symptoms in Fusarium graminearum

Endogenous Small RNA Mediates Meiotic Silencing of a Novel DNA Transposon

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