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  • Article - 18/08/2008

    The unnoticed bacterium

    In contrast to the USA human granulocytic anaplasmosis infection rarely occurs in Germany. Dr. Friederike von Loewenich at the Freiburg Institute for Medical Microbiology and Hygiene are investigating the reason for this discrepancy.

    https://www.gesundheitsindustrie-bw.de/en/article/news/the-unnoticed-bacterium
  • Infection control - 07/01/2021 Elektronenmikroskopische Aufnahme von pink gefärbten Staphylococcus aureus Bakterien auf einer lila gefärbten Zelloberfläche.

    Gene accordions as potential markers for pathogenic properties

    Bacteria must react to changes in the environment in order to survive. This is partly done by adapting genetic material, for example by multiplying and shortening individual genome segments. The research group led by Dr. Simon Heilbronner from the Interfaculty Institute of Microbiology and Infection Medicine at the University of Tübingen has shown that these so-called gene accordions are frequently found in the bacterium Staphylococcus aureus.

    https://www.gesundheitsindustrie-bw.de/en/article/news/gene-accordions-potential-markers-pathogenic-properties
  • Article - 30/08/2010 12229_de.jpg

    How cancer-causing bacteria reached the South Seas in outrigger canoes

    The bacterium Helicobacter pylori causes gastric ulcers and gastric cancer. The prehistoric great migrations of human populations, including the expansion of the Austronesians across the Pacific and Indian Oceans, can be reconstructed in precise detail from the genetic makeup of different Helicobacter strains.

    https://www.gesundheitsindustrie-bw.de/en/article/news/how-cancer-causing-bacteria-reached-the-south-seas-in-outrigger-canoes
  • Article - 16/02/2015 Model of the protein complex.

    The cellular power station of the cholera pathogen – from the structure to new antibiotics

    The bacterium Vibrio cholerae causes cholera, a severe disease that affects up to 3.5 million people a year. A team of scientists from the universities of Freiburg, Hohenheim and Konstanz have now gained new insights into the way the bacterium produces energy. They have elucidated the structure and function of the bacterium’s energy-production machinery. The research results provide new insights into biochemical energy production and the…

    https://www.gesundheitsindustrie-bw.de/en/article/news/the-cellular-power-station-of-the-cholera-pathogen-from-the-structure-to-new-antibiotics
  • Press release - 09/10/2012 18335_de.jpg

    Bacterium in a Laser Trap

    Scientists from the Department of Microsystems Engineering IMTEK of the University of Freiburg have constructed an innovative new optical trap that can grab and scan tiny elongated bacteria with the help of a laser. Optical tweezers could previously only be used to grab bacteria at one point not to manipulate their orientation. The Freiburg researchers have now succeeded in using a quickly moving focused laser beam to exert an equally distributed…

    https://www.gesundheitsindustrie-bw.de/en/article/press-release/bacterium-in-a-laser-trap
  • Press release - 17/01/2023

    Sugar-based inhibitors disarm the pathogen Pseudomonas aeruginosa

    The hospital pathogen Pseudomonas aeruginosa requires the sugar-binding proteins LecA and LecB to form biofilms as well as to attach to and penetrate host cells. These so-called lectins are therefore suitable targets for active substances to combat Pseudomonas infections. Researchers from Saarbrücken and Freiburg have now produced potent inhibitors for LecA and LecB that are more stable and soluble than previous drug candidates.

    https://www.gesundheitsindustrie-bw.de/en/article/press-release/zuckerbasierte-inhibitoren-entwaffnen-den-krankheitserreger-pseudomonas-aeruginosa
  • Article - 14/06/2010 11487_de.jpg

    Mycoplasma bacteria as models for minimal cells

    Bacteria of the genus Mycoplasma are one of the smallest self-replicating cells and serve as model organisms in synthetic biology research for investigating essential life functions as well as being used as chassis for novel, tailor-made biosyntheses. Researchers from Heidelberg are among the groups who focus predominantly on investigating mycoplasma bacteria as minimal organisms.

    https://www.gesundheitsindustrie-bw.de/en/article/news/mycoplasma-bacteria-as-models-for-minimal-cells
  • Article - 01/09/2016 Woman holding a small round piece of fabric.

    Tailor-made biotech fibres for improved wound dressings

    Scientists have developed a biotechnological process to produce bacterial alginate. The alginate quality is highly reproducible, making it suitable for the production of fibre-based medicinal products such as wound dressings.

    https://www.gesundheitsindustrie-bw.de/en/article/news/made-to-measure-biotech-fibres
  • Article - 18/05/2013 19744_de.jpg

    Biofilm research aims at fighting hospital germs

    Pseudomonas aeruginosa is a common bacterium that can be found in many different places – soil, water, washing basins, toilets and washing machines, to name but a few examples. Due to its resistance to antibiotic treatment, P. aeruginosa is mainly known as the cause of hospital-acquired infections. David Schleheck, a biologist from Konstanz University, deals specifically with the bacterium’s presence in biofilms. His research could open up new…

    https://www.gesundheitsindustrie-bw.de/en/article/news/biofilm-research-aims-at-fighting-hospital-germs
  • Press release - 17/03/2010 European Molecular Biology Laboratory

    Bacterial balance that keeps us healthy

    Scientists at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, working within the European project MetaHIT and in collaboration with colleagues at the Beijing Genomics Institute at Shenzhen, China, established a reference gene set for the human gut microbiome – a catalogue of the microbe genes present in the human gut. Their work proves that high-throughput techniques can be used to sequence environmental samples, and…

    https://www.gesundheitsindustrie-bw.de/en/article/press-release/bacterial-balance-that-keeps-us-healthy
  • Press release - 30/03/2011 14044_de.jpg

    Bacteria poison themselves from within

    The research group led by Anton Meinhart at the Max Planck Institute for Medical Research in Heidelberg has shown that proteins from the zeta toxin group trigger a self-destructive mechanism in bacteria. The triggers for this bacterial suicide are toxin/antitoxin systems that play an important role in the hereditary transmission of resistance and virulence genes. The scientists have thus found a valuable new tool for the development of new…

    https://www.gesundheitsindustrie-bw.de/en/article/press-release/bacteria-poison-themselves-from-within
  • Dossier - 30/08/2010 12119_de.jpg

    Disease prevention through better diagnostics

    “Classical treatment approaches are not the only way to ensure good health, rehabilitation and care. In fact, it is envisaged that more effective prevention will contribute to halting the development of diseases and maintaining good health. Prevention is designed to prevent health risks and diseases, make them less likely and delay their onset.” (Declaration of the German government; Official Records of Parliament 17/845, 26th February 2010)

    https://www.gesundheitsindustrie-bw.de/en/article/dossier/disease-prevention-through-better-diagnostics
  • Article - 01/08/2010 11984_de.jpg

    Manfred Kist – 25 years of fascination for a stomach bacterium

    Helicobacter pylori is a genus of bacteria that inhabits the human stomach. The bacteria can cause duodenal and gastric ulcers and are also linked to the development of gastric cancer. Prof. Dr. Manfred Kist from the Freiburg University Medical Centre has spent around 25 years of his scientific career on investigating H. pylori a bent rod-shaped bacterium.

    https://www.gesundheitsindustrie-bw.de/en/article/news/manfred-kist-25-years-of-fascination-for-a-stomach-bacterium
  • Article - 06/07/2014 The photo shows Dr. Böttcher and one of his colleagues assessing bacterial culture plates.<br />

    Behaviour-changing signalling molecules as alternative to antibiotics

    Bacteria display group behaviours when they form biofilms or cause infections. These group behaviours protect them against adverse environmental conditions. Thomas Böttcher from the University of Konstanz studies the signalling molecules that control this behaviour. His work involves identifying and characterising natural substances that can prevent bacteria from forming biofilms and from swarming. The substances’ medically relevant effect makes…

    https://www.gesundheitsindustrie-bw.de/en/article/news/behaviour-changing-signalling-molecules-as-alternative-to-antibiotics
  • Article - 17/08/2015 AG_Papatheodorou.jpg

    CDT – a bacterial toxin that mediates its own delivery into cells

    Clostridium difficile is totally harmless in healthy people. However, in combination with antibiotics it can cause severe diarrhoea and intestinal inflammation in elderly and debilitated people. But how does the spore-forming, rod-shaped bacterium deploy its power? And how does it enter the cell? Dr. Panagiotis Papatheodorou and his colleagues from the Institute of Experimental and Clinical Pharmacology and Toxicology (Director: Prof. Dr. Klaus…

    https://www.gesundheitsindustrie-bw.de/en/article/news/cdt-a-bacterial-toxin-that-mediates-its-own-delivery-into-cells
  • Bakteriocins - 24/05/2022 bunte fluoreszenzmikroskopische Bilder der Bakterien als runde und ovale Punkte.

    New antibiotic alternatives from soil bacteria

    Bacteria are not the greatest of friends among themselves: many release antimicrobial substances into their environment in order to gain an advantage in their ecological niche. Researchers at the University of Ulm are making use of such bacteriocins by creating a genetically modified soil bacterium that can be used as a biotechnological platform organism to produce alternatives to antibiotics in pure form and in large quantities. The fact this…

    https://www.gesundheitsindustrie-bw.de/en/article/news/new-antibiotic-alternatives-soil-bacteria
  • Article - 10/09/2012 18040_de.jpg

    Jan Wehkamp to investigate the causes of chronic inflammatory bowel diseases

    It takes a great deal of courage to question a common scientific doctrine especially for scientists at the very beginning of their careers. But around ten years ago Dr. Jan Wehkamp did not shy away from doing just that and as a result he and his scientific partner Professor Dr. Eduard Stange came up with a new explanation for the pathogenesis of chronic inflammatory bowel diseases.

    https://www.gesundheitsindustrie-bw.de/en/article/news/jan-wehkamp-to-investigate-the-causes-of-chronic-inflammatory-bowel-diseases
  • Press release - 25/05/2021

    From harmless skin bacteria to dreaded pathogens

    The bacterium Staphylococcus epidermidisis primarily a harmless microbe found on the skin and in the noses of humans. Yet some strains of this species can cause infections – in catheters, artificial joints, heart valves, and in the bloodstream – which are difficult to treat. These bacteria are often resistant to a particularly effective antibiotic, methicillin, and are among the most feared germs in hospitals.

    https://www.gesundheitsindustrie-bw.de/en/article/press-release/harmless-skin-bacteria-dreaded-pathogens
  • Article - 25/01/2014 20891_de.jpg

    Call for responsible antibiotics prescription

    Heidelberg University Hospital and the University Medical Centre in Mannheim are working hard to counteract the increase of antibiotic resistance. Strategies include a European-wide system for infection surveillance, the training of health professionals in the responsible use of antibiotics and the search for novel antibiotic substances in unconventional organisms.

    https://www.gesundheitsindustrie-bw.de/en/article/news/call-for-responsible-antibiotics-prescription
  • Dossier - 09/09/2013 Immunofluorescence image of two dendritic mouse cells with MHC complexes (labelled with red-fluorescent antibodies) on their surface.

    New trends in the field of immunology

    B- and T- lymphocytes along with macrophages have long been regarded as the most important cells of the human immune system and have thus been a major focus of research. This has now changed and it is now the dendritic cells that are regarded as the major components of the adaptive immune system and have become a major focus of scientific interest. Research into innate immune defence mechanisms has also become more important due to the discovery…

    https://www.gesundheitsindustrie-bw.de/en/article/dossier/new-trends-in-the-field-of-immunology
  • Article - 23/05/2018 Electron microscope image of a bacteriophage.

    Bacteriophages as alternatives to antibiotics

    Multidrug-resistant bacteria are resistant to many existing antibiotics and can be difficult to treat. There are increasing numbers of them worldwide. Although novel antibiotics are being developed, there are far too few of them to tackle the rise of multidrug-resistant bacteria. In Eastern Europe, doctors have been treating bacterial infections with viruses that infect bacteria, so-called bacteriophages, for almost 100 years.

    https://www.gesundheitsindustrie-bw.de/en/article/news/bacteriophages-as-alternatives-to-antibiotics
  • Article - 12/08/2013 Three-dimensional structure of the Sec translocase. The helper protein YidC, a membrane insertase, binds specifically to the lateral gate of the channel (binding sites shown in red) through which the membrane protein enters the lipid layer of the membrane.

    A doorman in the bacterial membrane

    We are fortunate to have membranes; they separate the interior of cells from the exterior and ensure that precious substances do not leave the cell and toxic substances cannot enter. Membrane proteins do an amazing job in transporting substances from one side of the membrane to the other. This process occurs in bacteria and in humans in much the same way. Prof. Dr. Hans-Georg Koch and his team at the Institute for Biochemistry and Molecular…

    https://www.gesundheitsindustrie-bw.de/en/article/news/a-doorman-in-the-bacterial-membrane
  • Dossier - 23/07/2012 17728_de.jpg

    Extremophilic bacteria

    What causes stress for some, actually speeds others like extremophilic bacteria up. They love it hot, sour or salty, toxic substances like heavy metals also do them good and even give them energy. As molecular and systems biology techniques get better and better, industry is also becoming increasingly interested in these exotic organisms. What potential does knowing the biochemistry of extremophilic bacteria have for the pharmaceutical, cosmetics…

    https://www.gesundheitsindustrie-bw.de/en/article/dossier/extremophilic-bacteria
  • Article - 11/11/2015 Three-dimensional representation of the active centre of the Geobacter enzyme.

    A metal enzyme that can cleave benzene rings

    Aromatic rings are extremely stable and very difficult to break apart. Prof. Dr. Matthias Boll from the University of Freiburg’s Faculty of Biology and his team work with Geobacter metallireducens, a bacterium that can completely degrade aromatic compounds under strictly anaerobic conditions. While the biological degradation of aromatic hydrocarbons is of global relevance, the chemical resulting from the reduction of benzene rings could also be…

    https://www.gesundheitsindustrie-bw.de/en/article/news/a-metal-enzyme-that-can-cleave-benzene-rings
  • Press release - 15/11/2012 18690_de.jpg

    How bacteria attack their host cells with sticky lollipops

    Yersinia enterocolitica, a pathogenic bacterium, causes fever and diarrhea. By help of a protein anchored in its membrane, Yersinia attaches to its host cells and infects them. Scientists of the Max Planck Institute for Developmental Biology in Tübingen and the Leibniz-Institut fuer Molekulare Pharmakologie in Berlin have determined the structure of an important component of the membrane protein and have gained insight into its biogenesis. The…

    https://www.gesundheitsindustrie-bw.de/en/article/press-release/how-bacteria-attack-their-host-cells-with-sticky-lollipops

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