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Articles 1 - 30 of 68

Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

Microbial Ecology Of South Florida Surface Waters: Examining The Potential For Anthropogenic Influences, Chase P. Donnelly Aug 2018

Microbial Ecology Of South Florida Surface Waters: Examining The Potential For Anthropogenic Influences, Chase P. Donnelly

HCNSO Student Theses and Dissertations

South Florida contains one of the largest subtropical wetlands in the world, and yet not much is known about the microbes that live in these surface waters. These microbes play an important role in chemical cycling and maintaining good water quality for both human and ecosystem health. The hydrology of Florida’s surface waters is tightly regulated with the use of canal and levee systems run by the US Army Corps of Engineers and The South Florida Water Management District. These canals run through the Everglades, agriculture, and urban environments to control water levels in Lake Okeechobee, the Water Conservation ...


Deciphering The Role Of Human Arylamine N-Acetyltransferase 1 (Nat1) In Breast Cancer Cell Metabolism Using A Systems Biology Approach., Samantha Marie Carlisle Aug 2018

Deciphering The Role Of Human Arylamine N-Acetyltransferase 1 (Nat1) In Breast Cancer Cell Metabolism Using A Systems Biology Approach., Samantha Marie Carlisle

Electronic Theses and Dissertations

Background: Human arylamine N-acetyltransferase 1 (NAT1) is a phase II xenobiotic metabolizing enzyme found in almost all tissues. NAT1 can additionally hydrolyze acetyl-coenzyme A (acetyl-CoA) in the absence of an arylamine substrate. NAT1 expression varies inter-individually and is elevated in several cancers including estrogen receptor positive (ER+) breast cancers. Additionally, multiple studies have shown the knockdown of NAT1, by both small molecule inhibition and siRNA methods, in breast cancer cells leads to decreased invasive ability and proliferation and decreased anchorage-independent colony formation. However, the exact mechanism by which NAT1 expression affects cancer risk and progression remains unclear. Additionally, consequences ...


Functional Studies Of The E. Coli Proc And A Putative Ortholog Mrub_1345, Mourin Azar, Dr. Lori Scott May 2018

Functional Studies Of The E. Coli Proc And A Putative Ortholog Mrub_1345, Mourin Azar, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

This project is part of the Meiothermus ruber genome analysis project, which uses the bioinformatics tools associated with the Guiding Education through Novel Investigation –Annotation Collaboration Toolkit (GENI-ACT) to predict gene function. We investigated the biological function of Escherichia coli and Meiothermus ruber proC genes using the complementation assay. In this research project, mutants of varying severity to the functional state of the protein were developed. The results showed that two or more amino acid deletions reduced or eliminated ProC function. Amino acid substitutions, on the other hand, were not severe enough to impact ProC function. Double and triple mutants ...


Copy Number Variation In The Porcine Genome Detected From Whole-Genome Sequence, Rebecca Anderson Mar 2018

Copy Number Variation In The Porcine Genome Detected From Whole-Genome Sequence, Rebecca Anderson

Honors Theses, University of Nebraska-Lincoln

Copy number variations (CNVs) are large insertions, deletions, and duplications in the genome that vary between individuals in a species. These variations are known to impact a broad range of phenotypes from molecular-level traits to higher-order clinical phenotypes. CNVs have been linked to complex traits in humans such as autism, attention deficit hyperactivity disorder, nervous system disorders, and early-onset extreme obesity. In this study, whole-genome sequence was obtained from 72 founders of an intensely phenotyped experimental swine herd at the U.S. Meat Animal Research Center (USMARC) in Clay Center, Nebraska. This included 24 boars (12 Duroc and 12 Landrace ...


Meiothermus Ruber Mrub_0320 Gene Is An Ortholog Of The B3452 Gene, Mrub_0321 Gene Is An Ortholog Of The B3451 Gene, Mrub_0322 Gene Is An Ortholog Of The B3453 Gene, Mrub_2366 Gene Is An Ortholog Of The B3450 Gene Found In Escherichia Coli, Which Encode For Components Of An Abc Transporter Involved In Sn-Glycerol - 3-Phosphate, Jenna Hall, Dr. Lori Scott Jan 2018

Meiothermus Ruber Mrub_0320 Gene Is An Ortholog Of The B3452 Gene, Mrub_0321 Gene Is An Ortholog Of The B3451 Gene, Mrub_0322 Gene Is An Ortholog Of The B3453 Gene, Mrub_2366 Gene Is An Ortholog Of The B3450 Gene Found In Escherichia Coli, Which Encode For Components Of An Abc Transporter Involved In Sn-Glycerol - 3-Phosphate, Jenna Hall, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

In this project we investigated the biological function of the genes mrub_0320, mrub_0321, mrub_0322, and mrub_2366 (KEGG map number 02010). We predict these genes encode components of a sn-glycerol-3-phosphate (ABC) transporter: 1) mrub_0320 (DNA coordinates 288469..289401) encodes the permease component (aka transmembrane domain), predicted to be an ortholog; 2) mrub_0321 (DNA coordinates 289394..290218) encodes another permease domain, and also contains a transcriptional regular; ATP-binding domain (aka nucleotide binding domain); 3) mrub_0322 (DNA coordinates 290234..291541) encodes the solute binding protein; and 4) mrub_2366 (DNA coordinates 2418207..2419352 on the reverse strand) encodes for an ATP-binding domain for multiple ...


Mrub_1325, Mrub_1326, Mrub_1327, And Mrub_1328 Are Orthologs Of B_3454, B_3455, B_3457, B_3458, Respectively Found In Escherichia Coli Coding For A Branched Chain Amino Acid Atp Binding Cassette (Abc) Transporter System, Bennett Tomlin, Adam Buric, Dr. Lori Scott Jan 2018

Mrub_1325, Mrub_1326, Mrub_1327, And Mrub_1328 Are Orthologs Of B_3454, B_3455, B_3457, B_3458, Respectively Found In Escherichia Coli Coding For A Branched Chain Amino Acid Atp Binding Cassette (Abc) Transporter System, Bennett Tomlin, Adam Buric, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

In this project we investigated the biological function of the genes Mrub_1325, Mrub_1326, Mrub_1327, and Mrub_1328 (KEGG map number 02010). We predict these genes encode components of a Branched Chain Amino Acid ATP Binding Cassette (ABC) transporter: 1) Mrub_1325 (DNA coordinates 1357399-1358130 on the reverse strand) encodes the ATP binding domain; 2) Mrub_1326 (DNA coordinates 1358127-1359899 on the reverse strand) encodes the ATP-binding domain and permease domain; 3) Mrub_1327 (DNA coordinates 1359899-1360930 on the reverse strand) encodes a permease domain; and 4)Mrub_1328 (DNA coordinates 1711022-1712185 on the reverse strand) encodes the substrate binding domain. This system is not predicted ...


Confirmation That Mrub_1751 Is Homologous To E. Coli Xylf, Mrub_1752 Is Homologous To E. Coli Xylh, And Mrub_1753 Is Homologous To E. Coli Xylg, Ben Price, Dr. Lori Scott Jan 2018

Confirmation That Mrub_1751 Is Homologous To E. Coli Xylf, Mrub_1752 Is Homologous To E. Coli Xylh, And Mrub_1753 Is Homologous To E. Coli Xylg, Ben Price, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

In this project we investigated the biological function of the genes Mrub_1751, Mrub_1752 and Mrub_1753 (KEGG map number 02010). We predict these genes encode components of a D-xylose ATP Binding Cassette (ABC) transporter: 1) Mrub_1752 (DNA coordinates 1809004-1810224 on the forward strand) encodes the permease component (aka transmembrane domain), predicted to be an ortholog and 2) Mrub_1753 (DNA coordinates 1810227-1811000 on the forward strand) encodes the ATP-binding domain (aka nucleotide binding domain); and 3) Mrub_1751 (DNA coordinates 1807855-1808892 on the forward strand) encodes the solute binding protein. The ABC-transporter for M. ruber to transport D-xylose is homologous with the transporter ...


Mrub_2120, Mrub_2121, Mrub_2122, Mrub_2123 And Mrub_2124 Are Orthologs Of E. Coli Genes B3458, B3457, B3456, B3455 And B3454, Respectively, And Make Up An Operon That Codes For The Branched-Chain Amino Acid Abc Transporter In Meiothermus Ruber Dsm 1279, Aaron Jones, Madelyn Huber, Dr. Lori Scott Jan 2018

Mrub_2120, Mrub_2121, Mrub_2122, Mrub_2123 And Mrub_2124 Are Orthologs Of E. Coli Genes B3458, B3457, B3456, B3455 And B3454, Respectively, And Make Up An Operon That Codes For The Branched-Chain Amino Acid Abc Transporter In Meiothermus Ruber Dsm 1279, Aaron Jones, Madelyn Huber, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

In this project we investigated the biological function of the genes Mrub_2120, Mrub_2121, Mrub_2122, Mrub_2123 and Mrub_2124 (KEGG map number 02010). We predict these genes encode components of a branched-chain amino acid ATP Binding Cassette (ABC) transporter: 1) Mrub_2120 (DNA coordinates 2169247-2170416 on the reverse strand) encodes the branched-chain amino acid binding protein that is localized to the periplasm; 2) Mrub_2121 (DNA coordinates 2170433..2171353 on the reverse strand) encodes the first TMD; 3) Mrub_2122 (DNA coordinates 2171365..2172279 on the reverse strand) encodes the second TMD; 4) Mrub_2123 (DNA coordinates 2172276..2173028 on the reverse strand) encodes the first ...


Mrub_1675, Mrub_1676, Mrub_1677, And Mrub_1679 Genes Are Orthologs Of B_3458, B_3457, B_3456, And B_3454 Genes In E. Coli, Respectively, Coding For Abc Transporters. Mrub_1678 And B_3455, Though Perform Similar Tasks, Are Not Orthologous, Ravi Patel, Alaina Hofmann, Dr. Lori Scott Jan 2018

Mrub_1675, Mrub_1676, Mrub_1677, And Mrub_1679 Genes Are Orthologs Of B_3458, B_3457, B_3456, And B_3454 Genes In E. Coli, Respectively, Coding For Abc Transporters. Mrub_1678 And B_3455, Though Perform Similar Tasks, Are Not Orthologous, Ravi Patel, Alaina Hofmann, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

In this project we investigated the biological function of the genes Mrub_1675, Mrub_1676, Mrub_1677, and Mrub_1679 (KEGG map number 02010). We predict these genes encode components of a Branched chain amino acid (ABC) transporter: Mrub_1675 (DNA coordinates 1711022..1712185 on the reverse strand) encodes the permease component, Mrub_1676 (DNA coordinates 1712313..1713170) encodes for the NBD (aka nucleotide binding domain), Mrub_1677 (DNA coordinates 1713167..1714075 on the reverse strand) encodes the NBD (aka nucleotide binding domain), Mrub_1678 (DNA coordinates 1713167..1714075 on the reverse strand) encodes the TMD (aka transmembrane domain) and Mrub_1679 (DNA coordinates 1714781..1715485 on the reverse ...


Examination Of Orthologous Genes (Mrub_2518 And B3728, Mrub_2519 And B3727, Mrub_2520 And B3726, Mrub_2521 And B3725) Responsible For Abc Phosphate Transporters In Two Species M. Ruber And E. Coli, Margaret Meyer, Dr. Lori Scott Jan 2018

Examination Of Orthologous Genes (Mrub_2518 And B3728, Mrub_2519 And B3727, Mrub_2520 And B3726, Mrub_2521 And B3725) Responsible For Abc Phosphate Transporters In Two Species M. Ruber And E. Coli, Margaret Meyer, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

In this project we investigated the biological function of the genes b3725, b3726, b3727, b3728 and Mrub_2518, Mrub_2519, Mrub_2520 and Mrub_2521 (KEGG map number 02010). We predict that these genes encode the components of a Phosphate ABC transporter: Orthologous genes Mrub_2518 (DNA coordinates 2565359..2566438) and b3728 encodes the periplasmic phosphate binding component; Orthologous genes Mrub_2519 (DNA coordinates 2566499..2567485) and b3727, and Mrub_2520 (DNA coordinates 2567496..2568326) and b3726 encode for the two transmembrane proteins; Orthologous genes Mrub_2521 (DNA coordinates 2568338..2569159) and b3725 encode for the ATP binding protein within the cytoplasm. Within the two species, M. ruber ...


Biased Genetic Screen Identifies Novel Genes Involved In Antiviral Defense, Tianyun Long Nov 2017

Biased Genetic Screen Identifies Novel Genes Involved In Antiviral Defense, Tianyun Long

LSU Doctoral Dissertations

ABSTRACT

RNA interference (RNAi) mediates potent antiviral response across kingdoms. In Caenorhabditis elegans nematodes, antiviral RNAi requires a virus sensor that is conserved in mammals and is amplified by secondary small interfering RNAs that are produced in a Dicer-independent manner.

To better understand worm antiviral RNAi, I carried out a biased genetic screen, aiming to identify novel antiviral RNAi genes. To speed up the gene discovery process, the reporter worms used for this genetic screen were engineered to contain extra copies of 4 known antiviral RNAi genes. Therefore, genetic alleles derived from these 4 genes will be automatically rejected during ...


Machine Learning Based Protein Sequence To (Un)Structure Mapping And Interaction Prediction, Sumaiya Iqbal Aug 2017

Machine Learning Based Protein Sequence To (Un)Structure Mapping And Interaction Prediction, Sumaiya Iqbal

University of New Orleans Theses and Dissertations

Proteins are the fundamental macromolecules within a cell that carry out most of the biological functions. The computational study of protein structure and its functions, using machine learning and data analytics, is elemental in advancing the life-science research due to the fast-growing biological data and the extensive complexities involved in their analyses towards discovering meaningful insights. Mapping of protein’s primary sequence is not only limited to its structure, we extend that to its disordered component known as Intrinsically Disordered Proteins or Regions in proteins (IDPs/IDRs), and hence the involved dynamics, which help us explain complex interaction within a ...


An Approach To Identify Mycobacteriophage Diversity Prior To Dna Sequencing, Charles Gregory Jun 2017

An Approach To Identify Mycobacteriophage Diversity Prior To Dna Sequencing, Charles Gregory

Honors College Capstone Experience/Thesis Projects

Over 6,869 Mycobacteriophages have been isolated and purified. Of these, 1,367 genomes have been sequenced at the DNA level and more are added each year through the SEA-PHAGES program. Sequenced mycobacteriophages are grouped into clusters based on a 50% or greater nucleotide identity. The number and breadth of these clusters represents the diversity present in the environment. Each year, as new phages are discovered by students in the SEA-PHAGES program, the question arises, “Which isolates should we sequence?” In order to sequence phages that represent the greatest possible diversity, and thus broaden under-represented clusters and identify new singletons ...


Essential Multimeric Enzymes In Kinetoplastid Parasites: A Host Of Potentially Druggable Protein-Protein Interactions, Leah M. Wachsmuth, Meredith G. Johnson, Jason Gavenonis Jun 2017

Essential Multimeric Enzymes In Kinetoplastid Parasites: A Host Of Potentially Druggable Protein-Protein Interactions, Leah M. Wachsmuth, Meredith G. Johnson, Jason Gavenonis

Faculty and Staff Publications By Year

Parasitic diseases caused by kinetoplastid parasites of the genera Trypanosoma and Leishmania are an urgent public health crisis in the developing world. These closely related species possess a number of multimeric enzymes in highly conserved pathways involved in vital functions, such as redox homeostasis and nucleotide synthesis. Computational alanine scanning of these protein-protein interfaces has revealed a host of potentially ligandable sites on several established and emerging anti-parasitic drug targets. Analysis of interfaces with multiple clustered hotspots has suggested several potentially inhibitable protein-protein interactions that may have been overlooked by previous large-scale analyses focusing solely on secondary structure. These protein-protein ...


Mrub_2642, Mrub_1054, And Mrub_1059 Genes Are Orthologs Of The Escherichia Coli Genes B2942, B0159, And B2687 Genes, Respectively, Which Code For Methionine Adenosyltransferase, Adenosylhomocysteine Nucleosidase, And S-Ribosylhomocysteine Lyase, Nicholas M. Orslini, Dr. Lori R. Scott Jan 2017

Mrub_2642, Mrub_1054, And Mrub_1059 Genes Are Orthologs Of The Escherichia Coli Genes B2942, B0159, And B2687 Genes, Respectively, Which Code For Methionine Adenosyltransferase, Adenosylhomocysteine Nucleosidase, And S-Ribosylhomocysteine Lyase, Nicholas M. Orslini, Dr. Lori R. Scott

Meiothermus ruber Genome Analysis Project

This project is part of the Meiothermus ruber genome analysis project, which uses the bioinformatics tools associated with the Guiding Education through Novel Investigation –Annotation Collaboration Toolkit (GENI-ACT) to predict gene function. We investigated the biological function of the genes Mrub_2642, Mrub_1054, and Mrub_1059.

We predict that Mrub_2642 encodes the enzyme methionine adenosyltransferase (DNA coordinates [2677251…2678426] on the reverse strand), the first step of the methionine degradation pathway (KEGG map number 00270). Methionine adenosyltransferase catalyzes the conversion of the substrates, ATP, L-methionine, and water, to yield the products S-adenosyl-L-methionine (SAM), inorganic phosphate, and diphosphate. Mrub_1054 encodes adenosylhomocysteine nucleosidase (DNA ...


Mrub_1873, Mrub_1872, Mrub_1871 Genes Are Predicted Orthologs Of The B2285, B2284, And B2283 Genes Respectively, Found In Escherichia Coli Coding For Nadh Ubiquinone Oxidoreductase Complex Subunits E, F, And G., Hannah Lohmeier, Dr. Lori R. Scott Jan 2017

Mrub_1873, Mrub_1872, Mrub_1871 Genes Are Predicted Orthologs Of The B2285, B2284, And B2283 Genes Respectively, Found In Escherichia Coli Coding For Nadh Ubiquinone Oxidoreductase Complex Subunits E, F, And G., Hannah Lohmeier, Dr. Lori R. Scott

Meiothermus ruber Genome Analysis Project

This project is part of the Meiothermus ruber genome analysis project, which uses the bioinformatics tools associated with the Guiding Education through Novel Investigation –Annotation Collaboration Toolkit (GENI-ACT) to predict gene function. We investigated the biological function of the genes Mrub_1873, Mrub_1872, and Mrub_1871.We predict that Mrub_1873 (DNA coordinates 1933743..1934309 on the reverse strand), Mrub_1872 (DNA coordinates 1932430..1933746 on the reverse strand), and Mrub_1871 (DNA coordinates 1930055..1932421 on the reverse strand) are subunits of the NADH ubiquinone oxidoreductase complex (00190). The complex catalyzes both the transfer of protons across the cytoplasmic membrane and the transfer of ...


Mrub_1867, Mrub_1868, And Mrub_1869 Genes Are Predicted Orthologs Of The B2279, B2280, And B2281 Genes Found In Escherichia Coli Coding For The Nadh Dehydrogenase Subunits K, J, And I Respectively, Wade Smith, Dr. Lori R. Scott Jan 2017

Mrub_1867, Mrub_1868, And Mrub_1869 Genes Are Predicted Orthologs Of The B2279, B2280, And B2281 Genes Found In Escherichia Coli Coding For The Nadh Dehydrogenase Subunits K, J, And I Respectively, Wade Smith, Dr. Lori R. Scott

Meiothermus ruber Genome Analysis Project

This project is part of the Meiothermus ruber genome analysis project, which uses the bioinformatics tools associated with the Guiding Education through Novel Investigation –Annotation Collaboration Toolkit (GENI-ACT) to predict gene function. We investigated the biological function of the genes Mrub_1867, Mrub_1868, and Mrub_1869. We predict that Mrub_1867 (DNA coordinates 1927237..1927527 on the reverse strand), Mrub_1868 (DNA coordinates 1927524..1928123 on the reverse strand), and Mrub_1869 (DNA coordinates 1928248..1928781 on the reverse strand) are subunits of the NADH: ubiquinone oxidoreductase complex (KEGG map number 00190). This complex catalyzes the translocation of H+ across the cytoplasmic membrane ...


Annotation And Identification Of Several Glycerolipid Metabolic Related Ortholog Genes; Mrub_0437, Mrub_1813 And Mrub_2759 In The Organism Meithermus Ruber And Their Predicted Respective Orthologs B3926, B4042 And Bo514 Found In E.Coli., Abdul Rahman Abdul Kader, Dr. Lori R. Scott Jan 2017

Annotation And Identification Of Several Glycerolipid Metabolic Related Ortholog Genes; Mrub_0437, Mrub_1813 And Mrub_2759 In The Organism Meithermus Ruber And Their Predicted Respective Orthologs B3926, B4042 And Bo514 Found In E.Coli., Abdul Rahman Abdul Kader, Dr. Lori R. Scott

Meiothermus ruber Genome Analysis Project

We predict Mrub_0437 encodes the enzyme glycerol kinase (DNA coordinates [417621..419183), which is an intermediary step of the glycerolipid metabolic pathway (KEGG map00561), It catalyzes the conversion of glycerol to sn-Glycerol-3-phosphate. The E. coli K12 MG1655 ortholog is predicted to be b3926.

We predict Mrub_1813 encodes the enzyme diacylglycerol kinase (DNA coordinates [1864659..1865063), which is an intermediary step of the glycerolipid metabolic pathway (KEGG map00561), It catalyzes the conversion of 1,2-diacyl-sn-glycerol to 1,2-diacyl-sn-glycerol 3-phosphate. The E. coli K12 MG1655 ortholog is predicted to be b4042.

We predict Mrub_2759 encodes the enzyme glycerol kinase (DNA coordinates [2799712 ...


Evolution Of Protein Complexes In Bacterial Species, Shwetha Hara Sridhar, Wedad Albalawi, Peter Uetz Jan 2017

Evolution Of Protein Complexes In Bacterial Species, Shwetha Hara Sridhar, Wedad Albalawi, Peter Uetz

Undergraduate Research Posters

Protein complexes are composed of two or more associated polypeptide chains that may have different functions. Protein complexes play a critical role for all processes in life and are considered as highly conserved in evolution. In previous studies, protein complexes from E. coli or Mycoplasma pneumoniae have been characterized experimentally, revealing that a typical bacterial cell has on the order of 500 protein complexes. Using gene homology (orthology), these experimentally-observed complexes can be used to predict protein complexes across many species of bacteria. Surprisingly, the majority of protein complexes is not conserved, demonstrating an unexpected evolutionary flexibility.

The current research ...


Metagomics: A Web-Based Tool For Peptide-Centric Functional And Taxonomic Analysis Of Metaproteomics Data, Michael Riffle, Damon H. May, Emma Timmins-Schiffman, Molly P. Mikan, Daniel Jaschob, William S. Noble, Brook L. Nunn Jan 2017

Metagomics: A Web-Based Tool For Peptide-Centric Functional And Taxonomic Analysis Of Metaproteomics Data, Michael Riffle, Damon H. May, Emma Timmins-Schiffman, Molly P. Mikan, Daniel Jaschob, William S. Noble, Brook L. Nunn

OEAS Faculty Publications

Metaproteomics is the characterization of all proteins being expressed by a community of organisms in a complex biological sample at a single point in time. Applications of metaproteomics range from the comparative analysis of environmental samples (such as ocean water and soil) to microbiome data from multicellular organisms (such as the human gut). Metaproteomics research is often focused on the quantitative functional makeup of the metaproteome and which organisms are making those proteins. That is: What are the functions of the currently expressed proteins? How much of the metaproteome is associated with those functions? And, which microorganisms are expressing the ...


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 Jul 2016

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.


Rsq: A Statistical Method For Quantification Of Isoform-Specific Structurome Using Transcriptome-Wide Structural Profiling Data, Yunfei Wang, University Of Texas At Dallas, Xiaopeng Zhu, Ming Sun, Yong Chen, Michael Q. Zhang, Yiwen Chen, Shikui Tu, Qi Dai, Haozhe Wang, Boyang Bai Jun 2016

Rsq: A Statistical Method For Quantification Of Isoform-Specific Structurome Using Transcriptome-Wide Structural Profiling Data, Yunfei Wang, University Of Texas At Dallas, Xiaopeng Zhu, Ming Sun, Yong Chen, Michael Q. Zhang, Yiwen Chen, Shikui Tu, Qi Dai, Haozhe Wang, Boyang Bai

University of Massachusetts Medical School Faculty Publications

The structure of RNA, which is considered to be a second layer of information alongside the genetic code, provides fundamental insights into the cellular function of both coding and non-coding RNAs. Several high-throughput technologies have been developed to profile transcriptome-wide RNA structures, i.e., the structurome. However, it is challenging to interpret the profiling data because the observed data represent an average over different RNA conformations and isoforms with different abundance. To address this challenge, we developed an RNA structurome quantification method (RSQ) to statistically model the distribution of reads over both isoforms and RNA conformations, and thus provide accurate ...


Characterization Of Transcriptional Control Elements In Cluster E Mycobacteriophage Ukulele, Campbell Belisle Haley May 2016

Characterization Of Transcriptional Control Elements In Cluster E Mycobacteriophage Ukulele, Campbell Belisle Haley

Honors College

Mycobacteriophage (phage) are a diverse group of viruses that infect Mycobacterium. Their study allows further understanding of viral evolution and genetics. Phage tightly control gene expression and transcribe their genes using host RNA polymerases. This project identifies potential transcriptional control elements in the genome of mycobacteriophage Ukulele. Promoters are sequences of the genome that allow binding of RNA polymerase and initiation of transcription. 21 putative promoters were identified in the Ukulele genome. To confirm transcriptional activity from putative promoters, a GFP reporter system was developed in mycobacterial cells. Intrinsic terminators are mRNA sequences that form secondary structure during transcription and ...


Bioinformatics Comparison Of M. Ruber Mrub_2507 To E. Coli Pdxk/B1636 And M. Ruber Mrub_2888 To E. Coli Pdxh/B1638 To Determine The Orthologous Nature, Adam Bernardi, Dr. Lori Scott Feb 2016

Bioinformatics Comparison Of M. Ruber Mrub_2507 To E. Coli Pdxk/B1636 And M. Ruber Mrub_2888 To E. Coli Pdxh/B1638 To Determine The Orthologous Nature, Adam Bernardi, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

This project is part of the Meiothermus ruber genome analysis project, which uses the bioinformatics tools associated with the Guiding Education through Novel Investigation – Annotation Collaboration Toolkit (GENI-ACT) to predict gene function. We investigated the biological function of the genes Mrub_2507 and Mrub_2888. We predict that Mrub_2507 encodes the enzyme pyridoxal kinase (DNA coordinates 2555521..2556402), which is in the Vitamin B6 Metabolism pathway (KEGG map number 00750). It catalyzes the conversion of pyridoxine, pyridoxamine, or pyridoxal to pyridoxine 5’-phosphate, pyridoxamine 5’-phosphate, or pyridoxal 5’-phosphate respectively. The E. coli K12 MG1655 ortholog is predicted to be ...


Bioinformatics Indicates That Meiothermus Ruber Genes Mrub_1710 And Mrub_1712 Are Homologs Of The Escherichia Coli Genes B2903 (P-Protein; Glycine Dehydrogenase) And B2905 (T-Protein; Aminomethyltransferase), Respectively, Malory J. Groen, Dr. Lori Scott Feb 2016

Bioinformatics Indicates That Meiothermus Ruber Genes Mrub_1710 And Mrub_1712 Are Homologs Of The Escherichia Coli Genes B2903 (P-Protein; Glycine Dehydrogenase) And B2905 (T-Protein; Aminomethyltransferase), Respectively, Malory J. Groen, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

This project is part of the Meiothermus ruber genome analysis project, which uses the bioinformatics tools associated with the Guiding Education through Novel Investigation – Annotation Collaboration Toolkit (GENI-ACT) to predict gene function. We investigated the biological function of the genes Mrub_1710 and Mrub_1712. We predict that Mrub_1710 encodes the enzyme glycine dehydrogenase (DNA coordinates 3046168.. 3049041 on the reverse strand), which is the first step of the glycine degradation pathway (KEGG map number 00260). It catalyzes the conversion of glycine to S-Amino-methyldihydro-lipoylprotein. The E. coli K12 MG1655 ortholog is predicted to be b2903, which has the gene identifier gcvP. We ...


Mrub_0258 Gene Is An Ortholog Of The B4226 Gene (Ppa) Found In Escherichia Coli; Mrub_1198 Gene Is An Ortholog Of The B2501 Gene (Ppk) Found In Escherichia Coli;, Brandon M. Wills, Dr. Lori Scott Feb 2016

Mrub_0258 Gene Is An Ortholog Of The B4226 Gene (Ppa) Found In Escherichia Coli; Mrub_1198 Gene Is An Ortholog Of The B2501 Gene (Ppk) Found In Escherichia Coli;, Brandon M. Wills, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

This project is part of the Meiothermus ruber genome analysis project, which uses the bioinformatics tools associated with the Guiding Education through Novel Investigation –Annotation Collaboration Toolkit (GENI-ACT) to predict gene function. We investigated the biological function of the genes Mrub_0258 and Mrub_1198. We predict that Mrub_0258 encodes the enzyme inorganic pyrophosphatase (226403..226942), which is indirectly involved with the oxidative phosphorylation pathway (KEGG map number 00190). It catalyzes the conversion of the diphosphate ions made by Mrub_1198 into two orthophosphate ions, which can then be used by ATP synthase to produce energy. The E. coli K12 MG1655 ortholog is ...


Meiothermus Ruber Mrub_0976 And Mrub_1641 Share The Same Functions As Escherichia Coli B3940 And B3433 In The Biosynthesis Of Homoserine, Cody Stephans, Dr. Lori Scott Feb 2016

Meiothermus Ruber Mrub_0976 And Mrub_1641 Share The Same Functions As Escherichia Coli B3940 And B3433 In The Biosynthesis Of Homoserine, Cody Stephans, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

This project is part of the Meiothermus ruber genome analysis project, which uses the bioinformatics tools associated with the Guiding Education through Novel Investigation –Annotation Collaboration Toolkit (GENI-ACT) to predict gene function. We investigated the biological function of the genes Mrub_0976 and Mrub_1641. We predict that Mrub_0976 encodes the enzyme aspartate kinase (DNA coordinates 964404..965630) which is the 1st step of the homoserine biosynthesispathway (KEGG map number M00018). It catalyzes the conversion L-aspartate to L-asparyl-4-phospate. The E. coli K12 MG1655 ortholog is predicted to be b3940, which has the gene identifier ‘thrA’. We ...


Genomic Analysis Of Meiothermus Ruber Mrub_1907 And Meiothermus Ruber Mrub_1844 With Potential Ortholog Escherichia Coli B3774 Ilvc And Escherichia Coli B3771 Ilvc Gene Through Bioinformatics, Felipe A. Hernandez, Dr. Lori Scott Feb 2016

Genomic Analysis Of Meiothermus Ruber Mrub_1907 And Meiothermus Ruber Mrub_1844 With Potential Ortholog Escherichia Coli B3774 Ilvc And Escherichia Coli B3771 Ilvc Gene Through Bioinformatics, Felipe A. Hernandez, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

This project is part of the Meiothermus ruber genome analysis project, which uses the bioinformatics tools associated with the Guiding Education through Novel Investigation – Annotation Collaboration Toolkit (GENI-ACT) to predict gene function. We investigated the biological function of the genes Mrub_1907 and Mrub_1844. We predict that Mrub__1907 encodes the enzyme ketol-acid reductoisomerase (DNA coordinates 1966630..1967649 on the reverse strand), which is the fourth step of the L-isoleucine pathway (from threonine) (KEGG map number 00290). It catalyzes the conversion of (R)-3- Hydroxy-3-methyl-2-oxopentanoate to (R)-2-3 Dihydroxy-3-methylpentanoate. The E. coli K12 MG1655 ortholog is predicted to be b3774, which has ...


Pyruvate Metabolism In M. Ruber When Compared To E. Coli, Amanda M. Johnson, Dr. Lori Scott Feb 2016

Pyruvate Metabolism In M. Ruber When Compared To E. Coli, Amanda M. Johnson, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

This project is part of the Meiothermus ruber genome analysis project, which uses the bioinformatics tools associated with the Guiding Education through Novel Investigation –Annotation Collaboration Toolkit (GENI-ACT) to predict gene function. We investigated the biological function of the genes Mrub_0476, Mrub_1516, Mrub_1517, Mrub_0477, and Mrub_2322. We predict that Mrub_0476, Mrub_1516, and Mrub_1517 (DNA coordinates 461643..464366, 1548957..1549955, 1549952..1550986, respectively) are a paralogous a subunit of the pyruvate dehydrogenase complex E1(KEGG map number 00620). We predict that Mrub_0477 and Mrub_2322 (DNA coordinates 464402..465697 and 2371690..2373090, respectively) are a paralogous subunit of ...


A Bioinformatics Study On Whether Or Not Mrub_2763 Gene In M. Ruber Is Similar To The Lpxb Gene In E. Coli And If Mrub_2768 Is Similar To The Lpxd Gene In E. Coli., Frank J. Habura, Dr. Lori Scott Feb 2016

A Bioinformatics Study On Whether Or Not Mrub_2763 Gene In M. Ruber Is Similar To The Lpxb Gene In E. Coli And If Mrub_2768 Is Similar To The Lpxd Gene In E. Coli., Frank J. Habura, Dr. Lori Scott

Meiothermus ruber Genome Analysis Project

This project is part of the Meiothermus ruber genome analysis project, which uses the bioinformatics tools associated with the Guiding Education through Novel Investigation –Annotation Collaboration Toolkit (GENI-ACT) to predict gene function. We investigated the biological function of the gene Mrub_2768 and Mrub_2763. We predict that Mrub_2768 (DNA coordinates 2808186..2809178 on the reverse strand) encodes the enzyme UDP-3-O-(3-hydroxymyristoyl)glucosamine N-acyltransferase (LpxD), which is the third step of the Lipopolysaccharide biosynthesis pathway (KEGG map number 00540). It catalyzes the conversion of UDP-3-O-(3-hydroxymyristoyl)-α-D-glucosamine + a(3R)-3-hydroxymyristoyl-[acp] → a holo-[acyl-carrier protein] + UDP-2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosamine. The E ...