Results 151 to 160 of about 3,251,205 (352)

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

FEBS Letters, EarlyView.
Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee, Junho Jeong, Chae Yeong Lee, Hyunjoon Cho, Man Hwan Oh, Je Chul Lee, Jee‐Young Lee, Yangmee Kim   +7 more
wiley   +1 more source

Mechanism of neurodegeneration of neurons with mitochondrial DNA mutations [PDF]

, 2010
Mutations of mitochondrial DNA are associated with a wide spectrum of disorders, primarily affecting the central nervous system and muscle function. The specific consequences of mitochondrial DNA mutations for neuronal pathophysiology are not understood.
Turnbull, Douglass M., Turnbull, Doug, Kirby, Denise M., Abramov, Andrey Y., Duchen, Michael, Abramov, Andrey, Smulders-Srinivasan, Tora, Smulders-Srinivasan, Tora K.; id_orcid, Duchen, Michael R., Acin-Perez, Rebecca, Enriquez, José Antonio, Kirby, Denise, Smulders-Srinivasan, Tora K., Lightowlers, Robert, Acin-Perez, Rebeca, Enriquez, Jose, Lightowlers, Robert N.   +16 more
core   +1 more source

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

FEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

Inference of transcription factor binding from cell-free DNA enables tumor subtype prediction and early detection

Nature Communications, 2019
Deregulation of transcription factors (TFs) is an important driver of tumorigenesis, but non-invasive assays for assessing transcription factor activity are lacking. Here we develop and validate a minimally invasive method for assessing TF activity based
Peter Ulz, Samantha O Perakis, Qing Zhou, T. Moser, J. Belic, Isaac Lazzeri, A. Wölfler, A. Zebisch, A. Gerger, G. Pristauz, E. Petru, Brandon White, Charles E. S. Roberts, J. S. John, M. Schimek, J. Geigl, T. Bauernhofer, H. Sill, C. Bock, E. Heitzer, M. Speicher   +20 more
semanticscholar   +1 more source

Reconstructing enzyme evolution by protein engineering

FEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler, Markus R. Busch, Reinhard Sterner   +2 more
wiley   +1 more source

Polyamine Depletion with Two Different Polyamine Analogues Causes DNA Damage in Human Breast Cancer Cell Lines [PDF]

, 2008
It is well known that the positively charged polyamines have a DNA-stabilizing function and that polyamine depletion alters chromatin function. We have previously shown that polyamine depletion causes an S phase prolongation, and others have shown that ...
Oredsson, Stina,, Johansson, Veronica,, Alm, Kersti,, Lund University.   +3 more
core   +1 more source

Investigating transcription factor dynamics in health and disease using FRAP

FEBS Letters, EarlyView.
FRAP analysis of GFP‐tagged transcription factors reveals how molecular mobility and target engagement change in response to drug treatment. By combining live‐cell imaging, quantitative model fitting, and statistical analysis, this approach uncovers transcription factor dynamics linked to disease mechanisms, providing a powerful framework for ...
Kannan Govindaraj, Carolina Vazquez Garzon, Jose Joaquin Velasco, Janine N. Post   +3 more
wiley   +1 more source

Interspecies somatic cell nuclear transfer is dependent on compatible mitochondrial DNA and reprogramming factors [PDF]

, 2011
Interspecies somatic cell nuclear transfer (iSCNT) involves the transfer of a nucleus or cell from one species into the cytoplasm of an enucleated oocyte from another.
St. John Justin C., Dickinson Adam, Daniel A Mitchell, Yan Jiang, Kelly Richard, Peters Amy, Fulka, Helena, Helena Fulka, Justin C. St. John, Dickinson, Adam, St. John, Justin C., Adam Dickinson, Daniel A. Mitchell, Justin C St John, Jiang Yan, Fulka Helena, Kelly, Richard D. W., Mitchell Daniel A., Mitchell, Daniel A., Peters, Amy, Richard Kelly, Jiang, Yan, Amy Peters   +22 more
core   +1 more source

AscF in the mycobacterial CIII–CIV supercomplex lacks metal and nucleotide binding but links malate oxidation to respiration

FEBS Letters, EarlyView.
The mycobacterial CIII‐CIV respiratory supercomplex is an obligate assembly, encompassing several subunits of unknown functions. We have characterized the intracellular subunit AscF, and show that it is unlikely to be a sensor for metals or nucleotides, but is required for growth on nonfermentable energy sources, and likely works as an adapter for ...
Eni Rile, Riccardo Diamanti, Daniel Lundin, Soni Sharma, Robin Lissner, Coenraad P. Kuil, Martin Högbom, Dirk Bald, Dan Sjöstrand   +8 more
wiley   +1 more source

Structure of the Helicase Domain of DNA Polymerase Theta Reveals a Possible Role in the Microhomology-Mediated End-Joining Pathway [PDF]

, 2015
DNA polymerase theta (Polθ) has been identified as a crucial alternative non-homologous end-joining factor in mammalian cells. Polθ is upregulated in a range of cancer cell types defective in homologous recombination, and knockdown has been shown to ...
Aitkenhead, H, Gileadi, Opher, Cooper, Christopher D O, Newman, JA, Cooper, CD, Gileadi, O, Cooper, Christopher D.O., Newman, Joseph A., Aitkenhead, Hazel   +8 more
core   +2 more sources