Index Catalog // ScholarsArchive@OSU

Reversion reporters in Arabidopsis thaliana to detect all six base substitution pathways

Creator:: Bollmann, Stephanie R.
Abstract:: Maintaining genome integrity is essential for an organism, as mutation accumulation can lead to cancer, reduced fitness, and heritable diseases in offspring. Therefore the study of mutations, how they are induced, and how they are prevented is vital. Biomonitor systems are useful for understanding the relevant biological effects of a...
Resource Type:: Dissertation
Full Text:: 3-5 AN ABSTRACT OF THE DISSERTATION OF Stephanie R

Expansion and Divergence of Argonaute Genes in the Oomycete Genus Phytophthora

Creator:: Bollmann, Stephanie R., Press, Caroline M., Tyler, Brett M., and Grunwald, Niklaus J.
Abstract:: Modulation of gene expression through RNA interference is well conserved in eukaryotes and is involved in many cellular processes. In the oomycete Phytophthora, research on the small RNA machinery and function has started to reveal potential roles in the pathogen, but much is still unknown. We examined Argonaute (AGO) homologs...
Resource Type:: Article
Full Text:: *Correspondence: Niklaus J. Grünwald nik.grunwald@ars.usda.gov †Present address: Stephanie R. Bollmann

Diverse Evolutionary Trajectories for Small RNA Biogenesis Genes in the Oomycete Genus Phytophthora

Creator:: Bollmann, Stephanie R., Fang, Yufeng, Press, Caroline M., Tyler, Brett M., and Grünwald, Niklaus J.
Abstract:: Gene regulation by small RNA pathways is ubiquitous among eukaryotes, but little is known about small RNA pathways in the Stramenopile kingdom. Phytophthora a genus of filamentous oomycetes, contains many devastating plant pathogens, causing multibillion-dollar damage to crops, ornamental plants, and natural environments. The genomes of several oomycetes including Phytophthora...
Resource Type:: Article
Full Text:: . Grünwald nik.grunwald@ars.usda.gov † Present Address: Stephanie R. Bollmann, Department of Integrative

Offspring of first-generation hatchery steelhead trout (Oncorhynchus mykiss) grow faster in the hatchery than offspring of wild fish, but survive worse in the wild: Possible mechanisms for inadvertent domestication and fitness loss in hatchery salmon

Creator:: Blouin, Michael S., Wrey, Madeleine C., Bollmann, Stephanie R., Skaar, James C., Twibell, Ronald G., and Fuentes, Claudio
Abstract:: Salmonid fish raised in hatcheries often have lower fitness (number of returning adult offspring) than wild fish when both spawn in the wild. Body size at release from hatcheries is positively correlated with survival at sea. So one explanation for reduced fitness is that hatcheries inadvertently select for trait values...
Resource Type:: Article
Full Text:: domestication and fitness loss in hatchery salmon Michael S. BlouinID 1*, Madeleine C. Wrey1¤, Stephanie R

CurtisMarcEMTReciprocalChromosomeTranslocation.pdf

Creator:: Curtis, Marc J., Belcram, Katia, Bollmann, Stephanie R., Tominey, Colin M., Hoffman, Peter D., Mercier, Raphael, and Hays, John B.
Abstract:: Chromosomal rearrangements may complicate construction of Arabidopsis with multiple TDNA-insertion mutations. Here, crossing two lines homozygous for insertions in AtREV3 and AtPOLH (chromosomes I and V, respectively) and selfing F1 plants yielded non-Mendelian F2 genotype distributions: frequencies of +/++/+ and 1/1 2/2 progeny were only 0.42 and 0.25%. However, the...
Full Text:: development and for construction of doubly mutant lines Marc J. Curtis1, Katia Belcram2, Stephanie R

CurtisMarcEMTReciprocalChromosomeTranslocation_Figures,Supplements.zip

Creator:: Curtis, Marc J., Belcram, Katia, Bollmann, Stephanie R., Tominey, Colin M., Hoffman, Peter D., Mercier, Raphael, and Hays, John B.
Abstract:: Chromosomal rearrangements may complicate construction of Arabidopsis with multiple TDNA-insertion mutations. Here, crossing two lines homozygous for insertions in AtREV3 and AtPOLH (chromosomes I and V, respectively) and selfing F1 plants yielded non-Mendelian F2 genotype distributions: frequencies of +/++/+ and 1/1 2/2 progeny were only 0.42 and 0.25%. However, the...

Reciprocal chromosome translocation associated with TDNA-insertion mutation in Arabidopsis: genetic and cytological analyses of consequences for gametophyte development and for construction of doubly mutant lines

Creator:: Curtis, Marc J., Belcram, Katia, Bollmann, Stephanie R., Tominey, Colin M., Hoffman, Peter D., Mercier, Raphael, and Hays, John B.
Abstract:: Chromosomal rearrangements may complicate construction of Arabidopsis with multiple TDNA-insertion mutations. Here, crossing two lines homozygous for insertions in AtREV3 and AtPOLH (chromosomes I and V, respectively) and selfing F1 plants yielded non-Mendelian F2 genotype distributions: frequencies of +/++/+ and 1/1 2/2 progeny were only 0.42 and 0.25%. However, the...
Resource Type:: Article

Genome-Wide Scan and Test of Candidate Genes in the Snail Biomphalaria glabrata Reveal New Locus Influencing Resistance to Schistosoma mansoni

Creator:: Tennessen, Jacob A., Bonner, Kaitlin M., Bollmann, Stephanie R., Johnstun, Joel A., Yeh, Jan-Ying, Marine, Melanie, Tavalire, Hannah F., Bayne, Christopher J., and Blouin, Michael S.
Abstract:: Background: New strategies to combat the global scourge of schistosomiasis may be revealed by increased understanding of the mechanisms by which the obligate snail host can resist the schistosome parasite. However, few molecular markers linked to resistance have been identified and characterized in snails. Methodology/Principal Findings: Here we test six...
Resource Type:: Article
Full Text:: *, Kaitlin M. Bonner¤a, Stephanie R. Bollmann, Joel A. Johnstun¤b, Jan-Ying Yeh¤c, Melanie Marine, Hannah F

Phytophthora Have Distinct Endogenous Small RNA Populations That Include Short Interfering and microRNAs

Creator:: Fahlgren, Noah, Bollmann, Stephanie R., Kasschau, Kristin D., Cuperus, Josh T., Press, Caroline M., Sullivan, Christopher M., Chapman, Elisabeth J., Hoyer, J. Steen, Gilbert, Kerrigan B., Grunwald, Niklaus J., and Carrington, James C.
Abstract:: In eukaryotes, RNA silencing pathways utilize 20-30-nucleotide small RNAs to regulate gene expression, specify and maintain chromatin structure, and repress viruses and mobile genetic elements. RNA silencing was likely present in the common ancestor of modern eukaryotes, but most research has focused on plant and animal RNA silencing systems. Phytophthora...
Resource Type:: Article
Full Text:: Small RNA Populations That Include Short Interfering and microRNAs Noah Fahlgren1,2, Stephanie R

ScholarsArchive@OSU

Reversion reporters in Arabidopsis thaliana to detect all six base substitution pathways

Expansion and Divergence of Argonaute Genes in the Oomycete Genus Phytophthora

Diverse Evolutionary Trajectories for Small RNA Biogenesis Genes in the Oomycete Genus Phytophthora

Offspring of first-generation hatchery steelhead trout (Oncorhynchus mykiss) grow faster in the hatchery than offspring of wild fish, but survive worse in the wild: Possible mechanisms for inadvertent domestication and fitness loss in hatchery salmon

CurtisMarcEMTReciprocalChromosomeTranslocation.pdf

CurtisMarcEMTReciprocalChromosomeTranslocation_Figures,Supplements.zip

Reciprocal chromosome translocation associated with TDNA-insertion mutation in Arabidopsis: genetic and cytological analyses of consequences for gametophyte development and for construction of doubly mutant lines

Genome-Wide Scan and Test of Candidate Genes in the Snail Biomphalaria glabrata Reveal New Locus Influencing Resistance to Schistosoma mansoni

Phytophthora Have Distinct Endogenous Small RNA Populations That Include Short Interfering and microRNAs

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