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Articles 1 - 6 of 6
Full-Text Articles in Genetics and Genomics
Comparative Analysis Of Linker Histone H1, Mecp2, And Hmgd1 On Nucleosome Stability And Target Site Accessibility, Caitlyn Riedmann, Yvonne N. Fondufe-Mittendorf
Comparative Analysis Of Linker Histone H1, Mecp2, And Hmgd1 On Nucleosome Stability And Target Site Accessibility, Caitlyn Riedmann, Yvonne N. Fondufe-Mittendorf
Molecular and Cellular Biochemistry Faculty Publications
Chromatin architectural proteins (CAPs) bind the entry/exit DNA of nucleosomes and linker DNA to form higher order chromatin structures with distinct transcriptional outcomes. How CAPs mediate nucleosome dynamics is not well understood. We hypothesize that CAPs regulate DNA target site accessibility through alteration of the rate of spontaneous dissociation of DNA from nucleosomes. We investigated the effects of histone H1, high mobility group D1 (HMGD1), and methyl CpG binding protein 2 (MeCP2), on the biophysical properties of nucleosomes and chromatin. We show that MeCP2, like the repressive histone H1, traps the nucleosome in a more compact mononucleosome structure. Furthermore, histone …
Ten Simple Rules For Taking Advantage Of Git And Github, Yasset Perez-Riverol, Laurent Gatto, Rui Wang, Timo Sachsenberg, Julian Uszkoreit, Felipe Da Veiga Leprevost, Christian Fufezan, Tobias Ternent, Stephen J. Eglen, Daniel S. Katz, Tom J. Pollard, Alexander Konovalov, Robert M. Flight, Kai Blin, Juan Antonio Vizcaíno
Ten Simple Rules For Taking Advantage Of Git And Github, Yasset Perez-Riverol, Laurent Gatto, Rui Wang, Timo Sachsenberg, Julian Uszkoreit, Felipe Da Veiga Leprevost, Christian Fufezan, Tobias Ternent, Stephen J. Eglen, Daniel S. Katz, Tom J. Pollard, Alexander Konovalov, Robert M. Flight, Kai Blin, Juan Antonio Vizcaíno
Molecular and Cellular Biochemistry Faculty Publications
No abstract provided.
Ubr3, A Novel Modulator Of Hh Signaling Affects The Degradation Of Costal-2 And Kif7 Through Poly-Ubiquitination, Tongchao Li, Junkai Fan, Bernardo Blanco-Sánchez, Nikolaos Giagtzoglou, Guang Lin, Shinya Yamamoto, Manish Jaiswal, Kuchuan Chen, Jie Zhang, Wei Wei, Michael T. Lewis, Andrew K. Groves, Monte Westerfield, Jianhang Jia, Hugo J. Bellen
Ubr3, A Novel Modulator Of Hh Signaling Affects The Degradation Of Costal-2 And Kif7 Through Poly-Ubiquitination, Tongchao Li, Junkai Fan, Bernardo Blanco-Sánchez, Nikolaos Giagtzoglou, Guang Lin, Shinya Yamamoto, Manish Jaiswal, Kuchuan Chen, Jie Zhang, Wei Wei, Michael T. Lewis, Andrew K. Groves, Monte Westerfield, Jianhang Jia, Hugo J. Bellen
Markey Cancer Center Faculty Publications
Hedgehog (Hh) signaling regulates multiple aspects of metazoan development and tissue homeostasis, and is constitutively active in numerous cancers. We identified Ubr3, an E3 ubiquitin ligase, as a novel, positive regulator of Hh signaling in Drosophila and vertebrates. Hh signaling regulates the Ubr3-mediated poly-ubiquitination and degradation of Cos2, a central component of Hh signaling. In developing Drosophila eye discs, loss of ubr3 leads to a delayed differentiation of photoreceptors and a reduction in Hh signaling. In zebrafish, loss of Ubr3 causes a decrease in Shh signaling in the developing eyes, somites, and sensory neurons. However, not all tissues that require …
Novel Interactome Of Saccharomyces Cerevisiae Myosin Type Ii Identified By A Modified Integrated Membrane Yeast Two-Hybrid (Imyth) Screen, Ednalise Santiago, Pearl Akamine, Jamie Snider, Victoria Wong, Matthew Jessulat, Viktor Deineko, Alla Gagarinova, Hiroyuki Aoki, Zoran Minic, Sadhna Phanse, Andrea San Antonio, Luis A Cubano, Brian C. Rymond, Mohan Babu, Igor Stagljar, Jose R. Rodriguez-Medina
Novel Interactome Of Saccharomyces Cerevisiae Myosin Type Ii Identified By A Modified Integrated Membrane Yeast Two-Hybrid (Imyth) Screen, Ednalise Santiago, Pearl Akamine, Jamie Snider, Victoria Wong, Matthew Jessulat, Viktor Deineko, Alla Gagarinova, Hiroyuki Aoki, Zoran Minic, Sadhna Phanse, Andrea San Antonio, Luis A Cubano, Brian C. Rymond, Mohan Babu, Igor Stagljar, Jose R. Rodriguez-Medina
Biology Faculty Publications
Nonmuscle myosin type II (Myo1p) is required for cytokinesis in the budding yeast Saccharomyces cerevisiae. Loss of Myo1p activity has been associated with growth abnormalities and enhanced sensitivity to osmotic stress, making it an appealing antifungal therapeutic target. The Myo1p tail-only domain was previously reported to have functional activity equivalent to the full-length Myo1p whereas the head-only domain did not. Since Myo1p tail-only constructs are biologically active, the tail domain must have additional functions beyond its previously described role in myosin dimerization or trimerization. The identification of new Myo1p-interacting proteins may shed light on the other …
Ubiquitin-Specific Peptidase 10 (Usp10) Deubiquitinates And Stabilizes Muts Homolog 2 (Msh2) To Regulate Cellular Sensitivity To Dna Damage, Mu Zhang, Chen Hu, Dan Tong, Shengyan Xiang, Kendra Williams, Wenlong Bai, Guo-Min Li, Gerold Bepler, Xiaohong Zhang
Ubiquitin-Specific Peptidase 10 (Usp10) Deubiquitinates And Stabilizes Muts Homolog 2 (Msh2) To Regulate Cellular Sensitivity To Dna Damage, Mu Zhang, Chen Hu, Dan Tong, Shengyan Xiang, Kendra Williams, Wenlong Bai, Guo-Min Li, Gerold Bepler, Xiaohong Zhang
Toxicology and Cancer Biology Faculty Publications
MSH2 is a key DNA mismatch repair protein, which plays an important role in genomic stability. In addition to its DNA repair function, MSH2 serves as a sensor for DNA base analogs-provoked DNA replication errors and binds to various DNA damage-induced adducts to trigger cell cycle arrest or apoptosis. Loss or depletion of MSH2 from cells renders resistance to certain DNA-damaging agents. Therefore, the level of MSH2 determines DNA damage response. Previous studies showed that the level of MSH2 protein is modulated by the ubiquitin-proteasome pathway, and histone deacetylase 6 (HDAC6) serves as an ubiquitin E3 ligase. However, the deubiquitinating …
Transcriptional Profile Of Immediate Response To Ionizing Radiation Exposure, Eric C. Rouchka, Robert M. Flight, Brigitte H. Fasciotto, Rosendo Estrada, John W. Eaton, Phani K. Patibandla, Sabine J. Waigel, Dazhuo Li, John K. Kirtley, Palaniappan Sethu, Robert S. Keynton
Transcriptional Profile Of Immediate Response To Ionizing Radiation Exposure, Eric C. Rouchka, Robert M. Flight, Brigitte H. Fasciotto, Rosendo Estrada, John W. Eaton, Phani K. Patibandla, Sabine J. Waigel, Dazhuo Li, John K. Kirtley, Palaniappan Sethu, Robert S. Keynton
Molecular and Cellular Biochemistry Faculty Publications
Astronauts participating in long duration space missions are likely to be exposed to ionizing radiation associated with highly energetic and charged heavy particles. Previously proposed gene biomarkers for radiation exposure include phosphorylated H2A Histone Family, Member X (γH2AX), Tumor Protein 53 (TP53), and Cyclin-Dependent Kinase Inhibitor 1A (CDKN1A). However, transcripts of these genes may not be the most suitable biomarkers for radiation exposure due to a lack of sensitivity or specificity. As part of a larger effort to develop lab-on-a-chip methods for detecting radiation exposure events using blood samples, we designed a dose–course microarray study in order to determine coding …