2,099 search results for “cell wall” in the Public website
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Cell Wall Dynamics in Aspergillus niger
This functional genomics project aims at understanding the biology of the underlying mycelium differentiation and autolysis processes in much more detail.
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Off the wall: characterisation and exploitation of a cell wall deficient life style in filamentous actinomycetes
Almost all bacteria are enveloped by a cell wall that provides cellular protection.
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Chemical Synthesis of Fragments of Streptococcal Cell Wall Polysaccharides
This thesis describes the design and synthesis of fragments of various cell wall carbohydrates of the Streptococcus species, including the branched Group B-specific antigen (GBC) of Group B Streptococcus, glycerol phosphate (GroP) modified group A carbohydrate (GAC), and the O-acetylated type 1 capsular…
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Chitin in the fungal cell wall: towards valorization of spent biomass of Aspergillus niger
Aspergillus niger is an important industrial producer of organic acids and enzymes producing large amounts of spent fungal biomass.
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From stress to success: how actinobacteria exploit life without a cell wall
The central question of this Vici proposal is to investigate if, and how actinobacteria exploit life without a cell wall.
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Another Brick in the Wall: The role of the actinobacterial cell wall in antibiotic resistance, phylogeny and development
Streptomyces are multicellular, Gram-positive bacteria in the phylum of actinobacteria which produce a high amount of bioactive natural products of which the expression is tightly coordinated with the life cycle.
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Mycobacterial cell wall-deficiency and its role in the persistence of tuberculosis
What is the role of cell wall-deficiency in the persistence of tuberculosis?
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Synthesis of phosphodiester-containing bacterial cell wall components: teichoic acids, capsular polysaccharides and phosphatidyl glycerol analogues
Promotor: G.A. van der Marel, Co-promotor: J.D.C. Codée
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Macrophages inhibit human osteosarcoma cell growth after activation with the bacterial cell wall derivative liposomal muramyl tripeptide in combination
CONCLUSION: This study demonstrates that human macrophages can be induced to exert direct anti-tumor activity against osteosarcoma cells. Our observation that the induction of macrophage anti-tumor activity by L-MTP-PE required IFN-gamma may be of relevance for the optimization of L-MTP-PE therapy in…
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Bacteria under stress can live without cell wall
Thread-like bacteria make cells that no longer have a cell wall under the influence of osmotic stress. A remarkable discovery, since the cell wall serves as a protection barrier for bacteria. It could also help to explain how pathogenic bacteria can hide in our body from our immune system. A team of…
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Quantum particles and bacteria without cell walls: KLEIN grant for Beenakker and Claessen
Are Weyl particles the ideal conductors? Do cells without a cell wall play a role in chronic Tuberculosis infections? Carlo Beenakker and Dennis Claessen want to answer these questions. They both received a KLEIN grant from the NWO. With these grants, NWO wants to stimulate innovative, fundamental r…
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Structural characterization of the cell envelope of Actinobacteria under changing environments
Bacteria have the ability to alter their morphology in order to adapt to changing environments.
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A unique defence: Bacteria lose cell wall in the presence of virus
Bacteria temporarily live without their cell wall if dangerous viruses are near. A remarkable feature, as the cell wall is a sturdy barrier against threats. Still, the discovery has a logical explanation ánd might be of a consequence for fighting pathogenic bacteria, according to Véronique Ongenae,…
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It’s all about the cell wall for brand-new professor Dennis Claessen
Dennis Claessen has been appointed professor of Molecular Microbiology at the Institute of Biology Leiden. With his teaching and research on the cell wall, the professor wants to establish applications in the industry and the medical sector.
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Joanna Wall
Faculty of Humanities
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Centre for Microbial Cell Biology
The CMCB brings together microbial cell biology expertise in Leiden. It aims at optimal resonance between the groups and maximal exploitation of the available infrastructure and to develop innovative cross-boundary technology platforms.
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Synthesis of Ribitol Phosphate based Wall Teichoic acids
Antibiotic resistance, caused by widespread use of antibiotics, leads to bacterial infections that are difficult, if not impossible, to treat and is a major worldwide health concern.
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A vaccine against thickened artery walls
Atherosclerosis (thickening of the artery wall) is the most common cause of heart attacks or strokes, and one of the most common causes of death in the western world. People with this condition have to take medicine all their lives, so a vaccine for atherosclerosis would be a breakthrough.
- Tim van Leeuwe
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Hein van der Wall
Science
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Ernestine van der Wall
Faculty of Humanities
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Emerging approaches to study cell-cell interactions
The aim of this thesis is to study cell-cell interactions and the development of an assay to explore and quantify the exchange of membrane compounds.
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Walle Bos
Faculty Governance and Global Affairs
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Marjolein Crooijmans
Science
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Regulation of enzyme production in fungal cell factories
Our object is to identify and characterize transcription factors involved in lignocellulosic biomass degradation in the filamentous fungus Aspergillus niger.
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Dyslipidemia, metabolism and autophagy: antigen-independent modulation of T cells in atherosclerosis
Atherosclerosis is the main underlying pathology of cardiovascular disease. Atherosclerosis is caused by an immune response which is directed against (modified) lipoproteins which accumulate in the vessel wall.
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CD8+ T-cells in atherosclerosis: mechanistic studies revealing a protective role in the plaque microenvironment
Atherosclerosis is the most important underlying process that drives cardiovascular disease, and is characterized by an accumulation of cholesterol which triggers an inflammatory response in the vessel wall.
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Fungal Chitosans from Fermentation Mycelia for Plant Biostimulants (FunChi)
Our focus is to optimize the fungal cell wall to both increase chitin production and chitin extractability.
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Dennis Claessen
Science
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Wall Formula Tours
Arts and Culture, Tour
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Marian van de Walle
Science
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Véronique Ongenae
Science
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Synthetic model microswimmers near walls
Synthetic microswimmers take an important place within the interdisciplinary field of active soft matter.
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Arthur Ram
Science
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Mast cells as immune regulators in atherosclerosis
Cardiovascular syndromes are the major cause of death in Western societies.
- Cell Observatory
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Noortje Dannenberg
Science
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Cell Therapy
Decision support tool for cell therapy commercialization and business development
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Stem cells as cure
Leiden has a long history in the treatment of blood cell cancer. Research to find better therapies never stands still. One of the potential treatments currently being worked on is a ‘living medicine’.
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3D Cell Environments
Living cells on topographically-controlled substrates: Understanding Cell Motility in a Quasi-3D Environment
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Anisotropy in cell mechanics
Mechanical interactions between cells and their environment play an important role in many biological processes.
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Cell spread and cell migration in 3D gels
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Novel Immune Cell-Based Therapies for Atherosclerosis
Promotor: Prof.dr. J. Kuiper, Co-Promotor: S.C.A. de Jager
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Growth and development of actinomycetes
We aim to provide new insights relating to the spectacular multi-cellular life cycle of streptomycetes and other actinobacteria.
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Towards Biosolar cells
BioSolar Cells is a five-year research project in which ten knowledge institutions and 45 private industries work together.
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Galactofuranose biosynthesis in the filamentous fungus Aspergillus niger
This project aims to further understand the molecular details related to the biosynthesis and function of Galf containing glycoconjugates in fungal Aspergillus spp.
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TARGETBIO: Transmission of Antimicrobial Resistance Genes and Engineered DNA from Transgenic Biosystems in Nature
This project aims to assess the risk of spread of antimicrobial resistance genes in the environment derived from currently used synthetic biology approaches in the field of drug discovery.
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Cancer cells: A closer look
What distinguishes a tumour cell from a healthy cell? Researchers are trying to answer this question as precisely as possible. Certain differences could eventually lead to new therapies.
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Nanowire based Tandem Solar Cells
In this project innovative technology for photovoltaics cells is developed and analysis of ecological and health related risks are explicitly accounted for.
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B cell modulation in atherosclerosis
Cardiovascular disease is a major global burden and atherosclerosis is the main underlying pathological process.