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Biomolecules, Volume 10, Issue 8

August 2020 - 114 articles

Cover Story: Zinc homeostasis is critical for bacterial survival and virulence. Extracellular zinc-binding proteins play an important role in this process. The ATP-binding cassette (ABC) transporter system AztABCD includes two periplasmic proteins, AztC and AztD. Both bind zinc with high affinity and specificity. Further, AztD can transfer zinc to AztC, which can then deliver the metal to the membrane permease (AztB) for import into the cell. These processes are highly specific and rely on conserved structural features of each protein. This work assesses the role of several flexible or unstructured sequences in zinc binding and transfer from AztD to AztC. The results provide insights into the dynamic nature of these processes and support a previously proposed structural model of transfer. View this paper.
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Articles (114)

  • Review
  • Open Access
121 Citations
11,663 Views
16 Pages

Immunomodulatory Activities of Selected Essential Oils

  • Georg Sandner,
  • Mara Heckmann and
  • Julian Weghuber

3 August 2020

Recently, the application of herbal medicine for the prevention and treatment of diseases has gained increasing attention. Essential oils (EOs) are generally known to exert various pharmacological effects, such as antiallergic, anticancer, anti-infla...

  • Feature Paper
  • Review
  • Open Access
22 Citations
4,715 Views
19 Pages

3 August 2020

Hairy cell leukemia (HCL) is an indolent B-cell malignancy with excellent initial response to purine analogs pentostatin or cladribine, but patients are rarely, if ever, cured. Younger patients will usually need repeat chemotherapy which has declinin...

  • Communication
  • Open Access
10 Citations
4,788 Views
11 Pages

Heparin Administered to Anopheles in Membrane Feeding Assays Blocks Plasmodium Development in the Mosquito

  • Elena Lantero,
  • Jessica Fernandes,
  • Carlos Raúl Aláez-Versón,
  • Joana Gomes,
  • Henrique Silveira,
  • Fatima Nogueira and
  • Xavier Fernàndez-Busquets

1 August 2020

Innovative antimalarial strategies are urgently needed given the alarming evolution of resistance to every single drug developed against Plasmodium parasites. The sulfated glycosaminoglycan heparin has been delivered in membrane feeding assays togeth...

  • Review
  • Open Access
7 Citations
4,684 Views
24 Pages

1 August 2020

Posttranslational modifications of cellular proteins by covalent conjugation of ubiquitin and ubiquitin-like polypeptides regulate numerous cellular processes that are captured by viruses to promote infection, replication, and spreading. The importan...

  • Article
  • Open Access
36 Citations
3,816 Views
20 Pages

Physical, Thermal, and Antibacterial Effects of Active Essential Oils with Potential for Biomedical Applications Loaded onto Cellulose Acetate/Polycaprolactone Wet-Spun Microfibers

  • Helena P. Felgueiras,
  • Natália C. Homem,
  • Marta A. Teixeira,
  • Ana R. M. Ribeiro,
  • Joana C. Antunes and
  • Maria Teresa P. Amorim

31 July 2020

New approaches to deal with the growing concern associated with antibiotic-resistant bacteria are emerging daily. Essential oils (EOs) are natural antimicrobial substances with great potential to mitigate this situation. However, their volatile natur...

  • Article
  • Open Access
12 Citations
4,695 Views
13 Pages

Structural Characterization of an S-enantioselective Imine Reductase from Mycobacterium Smegmatis

  • Timo Meyer,
  • Nadine Zumbrägel,
  • Christina Geerds,
  • Harald Gröger and
  • Hartmut H. Niemann

31 July 2020

NADPH-dependent imine reductases (IREDs) are enzymes capable of enantioselectively reducing imines to chiral secondary amines, which represent important building blocks in the chemical and pharmaceutical industry. Since their discovery in 2011, many...

  • Article
  • Open Access
2 Citations
3,107 Views
20 Pages

Structural Features Defining NF-κB Inhibition by Lignan-Inspired Benzofurans and Benzothiophenes

  • Toan Dao-Huy,
  • Simone Latkolik,
  • Julia Bräuer,
  • Andreas Pfeil,
  • Hermann Stuppner,
  • Michael Schnürch,
  • Verena M. Dirsch and
  • Marko D. Mihovilovic

31 July 2020

A series of 2-arylbenzofurans and 2-arylbenzothiophenes was synthesized carrying three different side chains in position five. The synthesized compounds were tested for NF-κB inhibition to establish a structure activity relationship. It was fou...

  • Article
  • Open Access
98 Citations
7,724 Views
15 Pages

Arachidonic Acid as an Early Indicator of Inflammation during Non-Alcoholic Fatty Liver Disease Development

  • Klaudia Sztolsztener,
  • Adrian Chabowski,
  • Ewa Harasim-Symbor,
  • Patrycja Bielawiec and
  • Karolina Konstantynowicz-Nowicka

31 July 2020

Non-alcoholic fatty liver disease (NAFLD) is a chronic liver disease characterized by excessive lipid deposition. Lipid metabolism disturbances are possibly associated with hepatocyte inflammation development and oxidative balance impairment. The aim...

  • Review
  • Open Access
26 Citations
14,848 Views
21 Pages

31 July 2020

Memantine, an N-methyl-d-aspartate (NMDA) receptor antagonist approved for treating Alzheimer’s disease, has a good safety profile and is increasingly being studied for possible use in a variety of non-dementia psychiatric disorders. There is a...

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Biomolecules - ISSN 2218-273X