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Articles 1 - 6 of 6
Full-Text Articles in Genetics and Genomics
Integrated Transcriptomic Analysis Of Trichosporon Asahii Uncovers The Core Genes And Pathways Of Fluconazole Resistance., Haitao Li, Congmin Wang, Yong Chen, Shaoqiang Zhang, Rongya Yang
Integrated Transcriptomic Analysis Of Trichosporon Asahii Uncovers The Core Genes And Pathways Of Fluconazole Resistance., Haitao Li, Congmin Wang, Yong Chen, Shaoqiang Zhang, Rongya Yang
Faculty Scholarship for the College of Science & Mathematics
Trichosporon asahii (T. asahii) has emerged as a dangerous pathogen that causes rare but life-threatening infections. Its resistance to certain antifungal agents makes it difficult to treat, especially for patients undergoing long-term antibiotic therapy. In this study, we performed a series of fluconazole (FLC) perturbation experiments for two T. asahii strains, a clinical isolate stain CBS 2479 (T2) and an environmental isolate strain CBS 8904 (T8), to uncover potential genes and pathways involved in FLC resistance. We achieved 10 transcriptomes of T2 and T8 that were based on dose and time series of FLC perturbations. Systematic comparisons of the transcriptomes …
Mechanistic Insights Into The Regulation Of Mitochondrial Fission By Cyclin C, Vidyaramanan Ganesan, Katrina F Cooper, Randy Strich
Mechanistic Insights Into The Regulation Of Mitochondrial Fission By Cyclin C, Vidyaramanan Ganesan, Katrina F Cooper, Randy Strich
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Cyclin C is a component of the mediator complex of RNA polymerase II that localizes to the nucleus under normal conditions. In response to stress, cyclin C translocates to the cytosol and mitochondria and mediates stress‐induced mitochondrial fission and apoptosis. The molecular mechanisms by which cyclin C induces mitochondrial fission are unknown. Using in vitro experimental approaches, we sought to investigate the mechanistic basis of cyclin C mediated mitochondrial fission.
Mechanism Of Transcription Anti-Termination In Human Mitochondria., Hauke S Hillen, Andrey V Parshin, Karen Agaronyan, Yaroslav I Morozov, James J Graber, Aleksandar Chernev, Kathrin Schwinghammer, Henning Urlaub, Michael Anikin, Patrick Cramer, Dmitry Temiakov
Mechanism Of Transcription Anti-Termination In Human Mitochondria., Hauke S Hillen, Andrey V Parshin, Karen Agaronyan, Yaroslav I Morozov, James J Graber, Aleksandar Chernev, Kathrin Schwinghammer, Henning Urlaub, Michael Anikin, Patrick Cramer, Dmitry Temiakov
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
In human mitochondria, transcription termination events at a G-quadruplex region near the replication origin are thought to drive replication of mtDNA by generation of an RNA primer. This process is suppressed by a key regulator of mtDNA-the transcription factor TEFM. We determined the structure of an anti-termination complex in which TEFM is bound to transcribing mtRNAP. The structure reveals interactions of the dimeric pseudonuclease core of TEFM with mobile structural elements in mtRNAP and the nucleic acid components of the elongation complex (EC). Binding of TEFM to the DNA forms a downstream "sliding clamp," providing high processivity to the EC. …
In Situ Capture Of Chromatin Interactions By Biotinylated Dcas9., Xin Liu, Yuannyu Zhang, Yong Chen, Mushan Li, Feng Zhou, Kailong Li, Hui Cao, Min Ni, Yuxuan Liu, Zhimin Gu, Kathryn E Dickerson, Shiqi Xie, Gary C Hon, Zhenyu Xuan, Michael Q Zhang, Zhen Shao, Jian Xu
In Situ Capture Of Chromatin Interactions By Biotinylated Dcas9., Xin Liu, Yuannyu Zhang, Yong Chen, Mushan Li, Feng Zhou, Kailong Li, Hui Cao, Min Ni, Yuxuan Liu, Zhimin Gu, Kathryn E Dickerson, Shiqi Xie, Gary C Hon, Zhenyu Xuan, Michael Q Zhang, Zhen Shao, Jian Xu
Faculty Scholarship for the College of Science & Mathematics
Cis-regulatory elements (CREs) are commonly recognized by correlative chromatin features, yet the molecular composition of the vast majority of CREs in chromatin remains unknown. Here, we describe a CRISPR affinity purification in situ of regulatory elements (CAPTURE) approach to unbiasedly identify locus-specific chromatin-regulating protein complexes and long-range DNA interactions. Using an in vivo biotinylated nuclease-deficient Cas9 protein and sequence-specific guide RNAs, we show high-resolution and selective isolation of chromatin interactions at a single-copy genomic locus. Purification of human telomeres using CAPTURE identifies known and new telomeric factors. In situ capture of individual constituents of the enhancer cluster controlling human β-globin …
Association Of Ifih1 And Pro-Inflammatory Mediators: Potential New Clues In Sle-Associated Pathogenesis, Melissa E. Munroe, Nathan Pezant, Michael A. Brown, Dustin A. Fife, Joel M. Guthridge, Jennifer A. Kelly, Graham Wiley, Patrick M. Gaffney, Judith A. James, Courtney G. Montgomery
Association Of Ifih1 And Pro-Inflammatory Mediators: Potential New Clues In Sle-Associated Pathogenesis, Melissa E. Munroe, Nathan Pezant, Michael A. Brown, Dustin A. Fife, Joel M. Guthridge, Jennifer A. Kelly, Graham Wiley, Patrick M. Gaffney, Judith A. James, Courtney G. Montgomery
Faculty Scholarship for the College of Science & Mathematics
Antiviral defenses are inappropriately activated in systemic lupus erythematosus (SLE) and association between SLE and the antiviral helicase gene, IFIH1, is well established. We sought to extend the previously reported association of pathogenic soluble mediators and autoantibodies with mouse Mda5 to its human ortholog, IFIH1. To better understand the role this gene plays in human lupus, we assessed association of IFIH1 variants with soluble mediators and autoantibodies in 357 European-American SLE patients, first-degree relatives, and unrelated, unaffected healthy controls. Association between each of 135 genotyped SNPs in IFIH1 and four lupus-associated plasma mediators, IL-6, TNF-α, IFN-β, and IP-10, …
Time-Course Analysis Of Gene Expression During The Saccharomyces Cerevisiae Hypoxic Response, Nasrine Bendjilali, Samuel Macleon, Gurmannat Kalra, Stephen D. Willis, A.K.M. Nawshad Hossian, Erica Avery, Olivia Wojtowicz, Mark J. Hickman
Time-Course Analysis Of Gene Expression During The Saccharomyces Cerevisiae Hypoxic Response, Nasrine Bendjilali, Samuel Macleon, Gurmannat Kalra, Stephen D. Willis, A.K.M. Nawshad Hossian, Erica Avery, Olivia Wojtowicz, Mark J. Hickman
Faculty Scholarship for the College of Science & Mathematics
Many cells experience hypoxia, or low oxygen, and respond by dramatically altering gene expression. In the yeast Saccharomyces cerevisiae, genes that respond are required for many oxygen-dependent cellular processes, such as respiration, biosynthesis, and redox regulation. To more fully characterize the global response to hypoxia, we exposed yeast to hypoxic conditions, extracted RNA at different times, and performed RNA sequencing (RNA-seq) analysis. Time-course statistical analysis revealed hundreds of genes that changed expression by up to 550-fold. The genes responded with varying kinetics suggesting that multiple regulatory pathways are involved. We identified most known oxygen-regulated genes and also uncovered new …