338 search results for “antibiotics” in the Public website
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Artificial intelligence helps in the search for new antibiotics
With the search for new antibiotics becoming increasingly urgent, artificial intelligence offers valuable help. Smart software developed by Leiden PhD candidate Alexander Kloosterman searched genomes of bacteria and found clusters of DNA that code for proteins that have an antibiotic effect. ‘This new…
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EU awards 18 million euros for research into new antibiotics
An international consortium of research groups is aiming to develop novel antibiotics against the tuberculosis bacteria and two other deadly bacteria. The European Union has awarded a total of 18 million euros to the RespiriTB and RespiriNTM projects. Researchers from the Leiden University Medical Centre…
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Clever variant of antibiotic bypasses resistance in bacteria
Biological chemist Nathaniel Martin is going to test an alternative antibiotic that can combat common resistant bacteria such as MRSA. For this purpose, he will receive 350,000 euros from the NWO's NACTAR programme. ‘We want to know how safe and effective our antibiotic is in a realistic situation.’
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Children become bacteria to learn about antibiotics
Last Friday the global Antibiotics Awareness Week begun: an entire week dedicated to antibiotic use. Antibiotics researchers from the LACDR therefore set out to tell primary school pupils about their research. Through role-playing, pupils were drawn into the world of antibiotics: 'Can the teacher not…
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The bite that heals: New antibiotics with help from venomous animals
Prof. Gilles van Wezel and Prof. Mike Richardson of the Institute of Biology Leiden received €1.4 million to find new antibiotics.
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Rethinking antibiotic therapy of urinary tract infections
Suruchi Nepal, postdoc in the group of Coen van Hasselt at LACDR, was awarded an NWO XS project which aims to study the response to antibiotic treatment during a urinary tract infection (UTI). This knowledge will be used to determine how treatments of UTIs with antibiotics can be further improved.
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Gilles van Wezel
Science
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Students hunting for breakthrough in antibiotics resistance
Bacteria that fluoresce green, blue or red may play a role in combatting resistance against antibiotics. Under the motto of 'Say yes to stress', thirteen ambitious Leiden students are aiming to amass 9,000 euros to carry out their research project.
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Awaken sleeping antibiotics with ERC Advanced grant
To facilitate the search for new antibiotics. That is the aim of Gilles van Wezel, professor molecular biotechnology at the Institute of Biology Leiden (IBL). He wants to do this by looking at similarities in the DNA of antibiotic-producing bacteria. Van Wezel has been awarded an ERC Advanced grant…
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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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Antibiotics of the future: looking for a new way to kill bacteria
Current antibiotics only address very few target proteins in bacteria to kill them. Researchers know that there are more possible target proteins to tackle the bacteria. The question is: which ones. Thanks to the NWO Vidi Grant, Assistant Professor Molecular Physiology Stephan Hacker and his team can…
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From droplets in the freezer to the inception of a potent new antibiotic
What started as an idea during a social gathering led to an unexpected breakthrough in research on resistant bacteria. Biologists and chemists from Leiden developed a new substance that proves to be effective against bacteria resistant to antibiotics. They published their discovery in Nature Chemist…
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New insights into the production of antibiotics by bacteria
Bacteria use antibiotics as a weapon and even produce more antibiotics if there are competing strains nearby. This is a fundamental insight that can help find new antibiotics. Leiden scientists Daniel Rozen and Gilles van Wezel published their research results in the authoritative Proceedings of the…
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Six million boost to search for new antibiotics
Edith Schippers, Minister of Health, will be investing six million euros over the coming four years to boost research on new antibiotics. The programme will be set up by several different parties, including the Leiden Centre for Antimicrobial Research.
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Antibiotic treatments make us more susceptible to negative emotions
People who have taken antibiotics in the past three months pay more attention to negative facial expressions, according to research by postdoc Katerina Johnson and assistant professor Laura Steenbergen. This may explain how antibiotics increase the risk of developing depression.
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Collaboration starts quest for new antibiotics through NWO fund
Identifying novel antibiotic compounds to tackle antibiotic-resistant bacteria. Researchers from Leiden University and VU Amsterdam will unite through a project now funded by NWO’s Open Technology Programme (OTP), which awarded the collaboration nearly one million euros.
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Streptomyces as cell factories
We aim to engineer streptomycetes to fully exploit their potential for natural product productions, by a rational design and evolution approach.
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Better and faster ways of searching for antibiotics
Antibiotic-resistant bacteria are a major problem worldwide. Molecular biologist Changsheng Wu explored innovative methods of developing new antibiotics more simply and more easily. He also discovered a new type of antibiotic.
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Science and business working together on affordable alternatives for antibiotics
Almost fifty scientists and twenty companies will be working on developing new antibiotics and alternatives for antibiotics use. NWO and the Ministry of Health, Wellbeing and Sport will together invest close to seven million euros in this research. Scientists from Leiden University and LUMC will be…
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NWO grant gives way to more sustainable production of antibiotics
The opportunity to explore a new, exciting research topic. That is how Lennart Schada von Borzyskowski describes his successful application for the NWO XS grant. It comprises 50,000 euros, which the researcher from the Institute of Biology Leiden (IBL) will spend on investigating a more sustainable…
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The Ecology and Evolution of Microbial Warfare in Streptomyces
The soil-dwelling, filamentous bacteria of the genus Streptomyces are renowned for their production of useful secondary metabolites including antibiotics. The work described in this thesis provides new insights on the role and regulation of antibiotic production and resistance in these bacteria.
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Powerful new Leiden 'super antibiotic' may overcome resistance
The prestigious journal Science Translational Medicine has published a study by researchers from the Institute of Biology Leiden (IBL) on a potent new antibiotic that can overcome resistance. ‘The idea was to tweak the original antibiotic and create a next-generation drug’, says Nathaniel Martin, professor…
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This week the National Antibiotic Development Platform, NADP, was officially launched via a meeting in Utrecht.
Antibiotic resistance is one of the major threats to human health. This week the National Antibiotic Development Platform, NADP, was officially launched via a meeting in Utrecht, with many of the stakeholders in the field present.
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Scientists discover how to improve the production of antibiotics and enzymes in soil bacteria
A team of researchers at the Institute of Biology Leiden, in collaboration with scientists from Utrecht University, has discovered a novel approach to improve the production of antibiotics and enzymes in the soil bacteria Streptomycetes.
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ERC grant to further investigate next-generation antibiotics with reduced toxicity
The European Research Council (ERC) has awarded Nathaniel Martin a Proof of Concept (PoC) grant. With it, his group aims to make a dangerous but potent antibiotic less toxic. He receives €150.000.
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‘Ultimately, the goal is to develop antibiotics for tuberculosis with a lower risk of resistance’
Tuberculosis stands as one of the most lethal infectious diseases worldwide. A significant challenge in combatting tuberculosis lies in the emergence of antibiotic resistance triggered by genetic alterations, commonly known as mutations. These mutations can diminish the responsiveness to antibiotics,…
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How to make an old antibiotic a hundred times more potent
Nathaniel Martin, Professor of Biological chemistry, wondered what would happen if you take an antibiotic that has been known for 70 years and try to improve it with the latest tools of modern chemistry. Turns out it can become up to a hundred times more potent and prevent the growth of some drug-resistant…
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Michael Richardson in TV show Willem Wever about antibiotics from snake venom
'What do people do with snake venom?' That's the question 11-year-old Joep asked in Dutch TV show Willem Wever. Leiden Professor of Evolutionary developmental zoology and snake venom expert Michael Richardson answers the question in his laboratory.
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Ecology and genomics of Actinobacteria and their specialised metabolism
Filamentous Actinobacteria, such as Streptomyces, produce a plethora of chemically diverse bioactive metabolites that have found applications across medicine, agriculture and biotechnology.
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Screening of animal venoms for antimicrobial compounds
Can animal venoms yield novel antimicrobial peptides?
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Exploring the chemical space of post-translationally modified peptides in Streptomyces with machine learning
The ongoing increase in antimicrobial resistance combined with the low discovery of novel antibiotics is a serious threat to our health care.
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Quantitative pharmacological modelling for optimizing treatment of sepsis
Sepsis is a life-threatening condition caused by a dysregulated host response to infection, it is associated with significant morbidity, mortality, and with a high financial burden on global healthcare systems. Bacterial infections are the primary cause of sepsis, but the growing prevalence of antimicrobial…
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Marcellus Ubbink
Science
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Horizontal gene transfer and spreading of biosynthetic gene clusters and antimicrobial resistance
Biosynthetic gene clusters (BGCs) for natural products are widespread in microbial genomes, and they are rapidly exchanged. This research assesses the factors that control the spread of BGCs and resistance genes in nature. This includes risk assessment for the spread of engineered DNA in nature.
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Impact of plant hormones on growth and development of actinobacteria
Plants are colonized by an astounding number of microorganisms that can provide different life-support functions, including nutrient acquisition and protection against (a)biotic stresses like drought or pathogen attack.
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Aquatic eDNA: Beyond Species Presence
As a non-invasive genetic method, eDNA based approaches have become an important component of ecologists' and environmental managers' toolkits for biomonitoring in conservation and an increasingly important source of ecological knowledge.
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Evolutionary adaptability of β-lactamase: a study of inhibitor susceptibility in various model systems
β-Lactamases are enzymes that can break down β-lactam substrates, such as antibiotics, preventing the use of these antibiotics for the treatment of various infectious diseases. However, some compounds, β-lactamase inhibitors, can block these enzymes allowing for possible treatments using a combination…
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Greenifying industrial biotechnology through the creation of synthetic endosymbionts
Is it possible to synthesize industrially relevant compounds in a sustainable manner through the use of light-capturing cyanobacteria?
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Mechanisms and consequences of horizontal gene transfer in cell wall-deficient cells of Kitasatospora viridifaciens
The bacterial cell wall is a nearly universal structure that offers protection and gives the cell its shape. However, environmental stressors, such as cell wall-targeting antibiotics and hyperosmotic conditions, can induce bacteria to shift to a wall-deficient state. It is unknown whether the lack of…
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Nathaniel Martin in podcast about antimicrobial resistance
Professor Biological chemistry Nathaniel Martin from the Institute of Biology Leiden is interviewed by the Netherlands Innovation Network on innovative scientific approaches. He talks about his work on designing new antibiotics and developing new molecules to make resistant bacteria susceptible again…
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Student projects
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Semisynthetic Glycopeptide Antibiotics
PhD defence
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Nathaniel Martin in de Volkskrant about toilets in space
German scientists and NASA have developed a bacteria-killing coating for space toilets. With this coating they hope to protect astronauts in space stations from pathogens. Professor of Biological chemistry Nathaniel Martin sheds light on the discovery: 'You don't expect nasty bacteria up there, but…
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Quantitative Pharmacology
The Quantitative Pharmacology group headed by Coen van Hasselt focusses on the application of state-of-the-art quantitative pharmacometrics and systems pharmacology modeling combined with translational experimental models to develop personalized treatment strategies for antibiotics and to combat antimicrobial…
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Next Generation Lipopeptide Antibiotics
PhD defence
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Status update in the evolutionary race between humans and resistant bacteria: two steps forward for us
A patent for what may be a potent, new antibiotic. And: a clear overview of promising approaches to overcome a crucial resistance tactic employed by bacteria. In the span of one week, two researchers from Leiden are receiving their PhDs, each of them on an important step in the battle against bacteria…
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NO-ESKAPE New Strategies for Overcoming the ESKAPE Pathogens
Natural product inspired antibiotics to address resistance
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Exploring and exploiting the mechanism of mycelial pellet formation by Streptomyces
Promotor: G.P. van Wezel
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Workshops & Demo's
During the Leiden Science Family Day, you can take part in various workshops. You can also watch various demonstrations. Where will you go?
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Smart bacteria versus new antibiotics
Workshop