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Biomolecules, Volume 8, Issue 2

2018 June - 29 articles

Cover Story: The rapamycin-sensitive TOR kinase, an essential regulator of cell growth, assembles into two multi-protein complexes, termed TORC1 and TORC2. Taking advantage of two homologous TOR kinases in budding yeast, a minimal assembly specificity (MAS) domain was identified that governs their assembly into TORC1 versus TORC2. Based on a recent structural study of TORC2 by Loewith and colleagues, the TORC2 MAS domain (depicted in blue) is predicted to be involved in quaternary interactions (shown in yellow, green, and red) important for TORC2 specificity and assembly. View Paper here.
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Articles (29)

  • Article
  • Open Access
32 Citations
7,696 Views
12 Pages

Pinocembrin–Lecithin Complex: Characterization, Solubilization, and Antioxidant Activities

  • Xu Yang,
  • Xin Wang,
  • Xiao-Yu Chen,
  • Hai-Yu Ji,
  • Yan Zhang and
  • An-Jun Liu

Pinocembrin is a natural flavonoid compound which is capable of antioxidant, antibacterial, anti-inflammatory, and antineoplastic activities. The present study aimed to enhance the solubility and antioxidant activities of pinocembrin by complex forma...

  • Review
  • Open Access
42 Citations
10,093 Views
10 Pages

Calcium is one of the most important second messengers and its intracellular signaling regulates many aspects of cell physiology. Calcium ions, like phosphate ions, are highly charged and thus are able to alter protein conformation upon binding; ther...

  • Feature Paper
  • Review
  • Open Access
19 Citations
4,864 Views
15 Pages

Nontraditional Cardiovascular Biomarkers and Risk Factors: Rationale and Future Perspectives

  • Irene Traghella,
  • Francesca Mastorci,
  • Alessia Pepe,
  • Alessandro Pingitore and
  • Cristina Vassalle

The primary prevention of cardiovascular (CV) disease depends on the capacity to identify subjects at higher risk long before the occurrence of CV clinical manifestations. Traditional risk factors do not cover fully prediction of individual risk. Mor...

  • Article
  • Open Access
61 Citations
7,131 Views
17 Pages

Induction of ethylene biosynthesis by aphids increases the susceptibility of several plant species to aphids. Recent studies have indicated that some MYB transcription factors regulate the phloem-based defense against aphid infestation by modulating...

  • Review
  • Open Access
88 Citations
8,955 Views
10 Pages

Ribosomal RNA (rRNA) is extensively edited through base methylation and acetylation, 2′-O-ribose methylation and uridine isomerization. In human rRNA, 95 uridines are predicted to by modified to pseudouridine by ribonucleoprotein complexes shar...

  • Communication
  • Open Access
9 Citations
5,178 Views
8 Pages

Simple Analysis of Lipid Inhibition Activity on an Adipocyte Micro-Cell Pattern Chip

  • Gi Yong Kim,
  • Su-Jin Yeom,
  • Sung-Chan Jang,
  • Chang-Soo Lee,
  • Changhyun Roh and
  • Heon-Ho Jeong

Polydimethyl-siloxane (PDMS) is often applied to fabricate cell chips. In this study, we fabricated an adipocyte microcell pattern chips using PDMS to analyze the inhibition activity of lipid droplets in mouse embryo fibroblast cells (3T3-L1) with an...

  • Feature Paper
  • Article
  • Open Access
10 Citations
5,619 Views
12 Pages

Protein Expression Profile of Twenty-Week-Old Diabetic db/db and Non-Diabetic Mice Livers: A Proteomic and Bioinformatic Analysis

  • Juan Manuel Guzmán-Flores,
  • Elsa Cristina Flores-Pérez,
  • Magdalena Hernández-Ortiz,
  • Katya Vargas-Ortiz,
  • Joel Ramírez-Emiliano,
  • Sergio Encarnación-Guevara and
  • Victoriano Pérez-Vázquez

Type 2 diabetes mellitus is characterized by insulin resistance in the liver. Insulin is not only involved in carbohydrate metabolism, it also regulates protein synthesis. This work describes the expression of proteins in the liver of a diabetic mous...

  • Article
  • Open Access
10 Citations
6,206 Views
19 Pages

Redesigning TOR Kinase to Explore the Structural Basis for TORC1 and TORC2 Assembly

  • Andrew Hill,
  • Brad Niles,
  • Andrew Cuyegkeng and
  • Ted Powers

TOR is a serine/threonine protein kinase that assembles into distinct TOR Complexes 1 and 2 (TORC1 or TORC2) to regulate cell growth. In mammalian cells, a single mTOR incorporates stably into mTORC1 and mTORC2. By contrast, in Saccharomyces cerevisi...

  • Review
  • Open Access
15 Citations
5,473 Views
8 Pages

In this study, we elucidate that polyamine metabolite is a powerful biomarker to study post-radiation changes. Metabolomics in radiation biodosimetry, the application of a metabolomics analysis to the field of radiobiology, promises to increase the u...

  • Article
  • Open Access
18 Citations
6,155 Views
15 Pages

Residue solvent accessibility is closely related to the spatial arrangement and packing of residues. Predicting the solvent accessibility of a protein is an important step to understand its structure and function. In this work, we present a deep lear...

  • Article
  • Open Access
40 Citations
6,407 Views
13 Pages

FMSP-Nanoparticles Induced Cell Death on Human Breast Adenocarcinoma Cell Line (MCF-7 Cells): Morphometric Analysis

  • Firdos Alam Khan,
  • Sultan Akhtar,
  • Sarah Ameen Almofty,
  • Dana Almohazey and
  • Munthar Alomari

Currently, breast cancer treatment mostly revolves around radiation therapy and surgical interventions, but often these treatments do not provide satisfactory relief to the patients and cause unmanageable side-effects. Nanomaterials show promising re...

  • Review
  • Open Access
25 Citations
8,313 Views
13 Pages

The capability of lipid bilayers to exhibit fluid-phase behavior is a fascinating property, which enables, for example, membrane-associated components, such as lipids (domains) and transmembrane proteins, to diffuse within the membrane. These diffusi...

  • Review
  • Open Access
43 Citations
9,434 Views
22 Pages

Anandamide is a lipid neurotransmitter derived from arachidonic acid, a polyunsaturated fatty acid. The chemical differences between anandamide and arachidonic acid result in a slightly enhanced solubility in water and absence of an ionisable group f...

  • Feature Paper
  • Article
  • Open Access
259 Citations
27,983 Views
22 Pages

Critical Assessment of Methods to Quantify Biofilm Growth and Evaluate Antibiofilm Activity of Host Defence Peptides

  • Evan F. Haney,
  • Michael J. Trimble,
  • John T. Cheng,
  • Quentin Vallé and
  • Robert E.W. Hancock

Biofilms are multicellular communities of bacteria that can adhere to virtually any surface. Bacterial biofilms are clinically relevant, as they are responsible for up to two-thirds of hospital acquired infections and contribute to chronic infections...

  • Article
  • Open Access
8 Citations
5,231 Views
13 Pages

Determination of the Membrane Environment of CD59 in Living Cells

  • Gergő Fülöp,
  • Mario Brameshuber,
  • Andreas M. Arnold,
  • Gerhard J. Schütz and
  • Eva Sevcsik

The organization and dynamics of proteins and lipids in the plasma membrane, and their role in membrane functionality, have been subject of a long-lasting debate. Specifically, it is unclear to what extent membrane proteins are affected by their imme...

  • Review
  • Open Access
63 Citations
10,120 Views
29 Pages

Antibiofilm Peptides and Peptidomimetics with Focus on Surface Immobilization

  • Athina Andrea,
  • Natalia Molchanova and
  • Håvard Jenssen

Bacterial biofilms pose a major threat to public health, as they are associated with at least two thirds of all infections. They are highly resilient and render conventional antibiotics inefficient. As a part of the innate immune system, antimicrobia...

  • Feature Paper
  • Article
  • Open Access
14 Citations
6,227 Views
20 Pages

Membrane Remodeling as a Key Player of the Hepatotoxicity Induced by Co-Exposure to Benzo[a]pyrene and Ethanol of Obese Zebrafish Larvae

  • Muhammad Imran,
  • Odile Sergent,
  • Arnaud Tête,
  • Isabelle Gallais,
  • Martine Chevanne,
  • Dominique Lagadic-Gossmann and
  • Normand Podechard

The rise in prevalence of non-alcoholic fatty liver disease (NAFLD) constitutes an important public health concern worldwide. Including obesity, numerous risk factors of NAFLD such as benzo[a]pyrene (B[a]P) and ethanol have been identified as modifyi...

  • Article
  • Open Access
6 Citations
7,948 Views
16 Pages

Structural Transition and Antibody Binding of EBOV GP and ZIKV E Proteins from Pre-Fusion to Fusion-Initiation State

  • Anna Lappala,
  • Wataru Nishima,
  • Jacob Miner,
  • Paul Fenimore,
  • Will Fischer,
  • Peter Hraber,
  • Ming Zhang,
  • Benjamin McMahon and
  • Chang-Shung Tung

Membrane fusion proteins are responsible for viral entry into host cells—a crucial first step in viral infection. These proteins undergo large conformational changes from pre-fusion to fusion-initiation structures, and, despite differences in v...

  • Article
  • Open Access
16 Citations
7,121 Views
22 Pages

When excessively activated, C1 is insufficiently regulated, which results in tissue damage. Such tissue damage causes the complement system to become further activated to remove the resulting tissue damage, and a vicious cycle of activation/tissue da...

  • Article
  • Open Access
8 Citations
5,548 Views
9 Pages

Heavy metal pollution of water is a significant environmental and public health concern. Current biological strategies for heavy metal removal from water are performed using microbial biopolymers, including polysaccharides, that are already fully for...

  • Meeting Report
  • Open Access
1 Citations
7,245 Views
14 Pages

The 11th IUBMB Focused Meeting on Aminoacyl-tRNA Synthetases was held in Clearwater Beach, Florida from 29 October–2 November 2017, with the aim of presenting the latest research on these enzymes and promoting interchange among aminoacyl-tRNA s...

  • Review
  • Open Access
72 Citations
11,368 Views
25 Pages

Circulating MicroRNA Biomarkers in Melanoma: Tools and Challenges in Personalised Medicine

  • Sophie L. Mumford,
  • Benjamin P. Towler,
  • Amy L. Pashler,
  • Onur Gilleard,
  • Yella Martin and
  • Sarah F. Newbury

Effective management of melanoma depends heavily on early diagnosis. When detected in early non-metastatic stages, melanoma is almost 100% curable by surgical resection, however when detected in late metastatic stages III and IV, 5-year survival rate...

  • Review
  • Open Access
59 Citations
10,780 Views
9 Pages

Cellular membranes are composed of thousands of different lipids usually maintained within a narrow range of concentrations. In addition to their well-known structural and metabolic roles, signaling functions for many lipids have also emerged over th...

  • Feature Paper
  • Article
  • Open Access
111 Citations
11,273 Views
17 Pages

Antimicrobial peptides (AMPs) constitute a promising alternative for the development of new antibiotics that could potentially counteract the growing number of antibiotic-resistant bacteria. However, the AMP structure–function relationships rem...

  • Review
  • Open Access
109 Citations
10,222 Views
22 Pages

Biophysical and structural investigations are presented with a focus on the membrane lipid interactions of cationic linear antibiotic peptides such as magainin, PGLa, LL37, and melittin. Observations made with these peptides are distinct as seen from...

  • Article
  • Open Access
16 Citations
5,531 Views
11 Pages

Association between Resistin Gene Polymorphisms and Atopic Dermatitis

  • Saleem A. Banihani,
  • Khawla F. Abu-Alia,
  • Omar F. Khabour and
  • Karem H. Alzoubi

Atopic dermatitis (AD) is a chronic, relapsing, and inflammatory skin disorder. It is characterized by an inappropriate skin barrier function, allergen sensitization, and recurrent skin infections. Resistin is an adipokine expressed mainly in macroph...

  • Meeting Report
  • Open Access
16 Citations
7,737 Views
13 Pages

Role of Nutrition in Alcoholic Liver Disease: Summary of the Symposium at the ESBRA 2017 Congress

  • Kusum K. Kharbanda,
  • Martin J. J. Ronis,
  • Colin T. Shearn,
  • Dennis R. Petersen,
  • Samir Zakhari,
  • Dennis R. Warner,
  • Ariel E. Feldstein,
  • Craig J. McClain and
  • Irina A. Kirpich

The symposium, “Role of Nutrition in Alcoholic Liver Disease”, was held at the European Society for Biomedical Research on Alcoholism Congress on 9 October 2017 in Crete, Greece. The goal of the symposium was to highlight recent advances and developm...

  • Article
  • Open Access
42 Citations
8,912 Views
15 Pages

An Arabidopsis Clathrin Assembly Protein with a Predicted Role in Plant Defense Can Function as an Adenylate Cyclase

  • Patience Chatukuta,
  • Tshegofatso B. Dikobe,
  • David T. Kawadza,
  • Katlego S. Sehlabane,
  • Mutsa M. Takundwa,
  • Aloysius Wong,
  • Chris Gehring and
  • Oziniel Ruzvidzo

Adenylate cyclases (ACs), much like guanylate cyclases (GCs), are increasingly recognized as essential parts of many plant processes including biotic and abiotic stress responses. In order to identify novel ACs, we have applied a search motif derived...

  • Review
  • Open Access
147 Citations
13,840 Views
18 Pages

p53-Mediated Molecular Control of Autophagy in Tumor Cells

  • Maria Mrakovcic and
  • Leopold F. Fröhlich

Autophagy is an indispensable mechanism of the eukaryotic cell, facilitating the removal and renewal of cellular components and thereby balancing the cell’s energy consumption and homeostasis. Deregulation of autophagy is now regarded as one of the c...

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Biomolecules - ISSN 2218-273X