M
Marisa Wagner
Researcher at Thomas Jefferson University
Publications - 5
Citations - 401
Marisa Wagner is an academic researcher from Thomas Jefferson University. The author has contributed to research in topics: Mutant & Saccharomyces cerevisiae. The author has an hindex of 5, co-authored 5 publications receiving 391 citations.
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Journal ArticleDOI
Sum1 and Hst1 repress middle sporulation‐specific gene expression during mitosis in Saccharomyces cerevisiae
Jianxin Xie,Michael Pierce,Valerie Gailus-Durner,Marisa Wagner,Edward Winter,Andrew K. Vershon +5 more
TL;DR: It is found that a subclass of MSEs are strong repressor sites during mitosis, which suggests that mechanisms used to silence large regions of chromatin may also be used to regulate the expression of specific genes during development.
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Distinct Steps in Yeast Spore Morphogenesis Require Distinct SMK1 MAP Kinase Thresholds
TL;DR: The data demonstrate that SMK1 is required for the execution of multiple steps in spore morphogenesis that require increasing thresholds ofSMK1 activity and suggest that quantitative changes in mitogen-activated protein kinase signaling play a role in coordinating multiple events of a single cellular differentiation program.
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The CDK‐activating kinase CAK1 can dosage suppress sporulation defects of smk1 MAP kinase mutants and is required for spore wall morphogenesis in Saccharomyces cerevisiae
TL;DR: The results show that cell cycle progression and morphogenetic pathways can be regulated by a single gene product and suggest mechanisms for coordinating these processes during development.
Journal ArticleDOI
Transcriptional Regulation of the SMK1 Mitogen-Activated Protein Kinase Gene during Meiotic Development in Saccharomyces cerevisiae
Michael Pierce,Marisa Wagner,Jianxin Xie,Valerie Gailus-Durner,John Six,Andrew K. Vershon,Edward Winter +6 more
TL;DR: The cis-acting DNA elements that regulate SMK1 transcription and the phenotypes of mutants with altered expression patterns are identified and characterized and it is shown that these elements do not play a direct role in their differential transcriptional timing.
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The Ras/cAMP Pathway and the CDK-Like Kinase Ime2 Regulate the MAPK Smk1 and Spore Morphogenesis in Saccharomyces cerevisiae
Christine M. McDonald,Marisa Wagner,Maitreya J. Dunham,Marcus E. Shin,Noreen T. Ahmed,Edward Winter +5 more
TL;DR: It is demonstrated that nutrients can negatively regulate Smk1 through the Ras/cAMP pathway and that Ime2 is a key activator of Smk2 signaling in meiotic cells shortly after Smk 1 is expressed.