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Tübinger Forscher decken Tarnkappenstrategie multiresistenter Keime auf

By Guest PostJanuary 18, 2019Healthandreas peschel, krankheitserreger, mrsa, multiresistenter keime, staphylococcus aureus, tarnkappenstrategie, therapien gegen bakterien, thilo stehle

Durchbruch in der Erforschung gefürchteter Krankheitserreger – Bislang unbekanntes Protein in einer Schlüsselrolle

Forscherinnen und Forschern der Universität Tübingen und des Deutschen Zentrums für Infektionsforschung (DZIF) ist ein Durchbruch bei der Entschlüsselung multiresistenter Krankheitskeime gelungen. Das Team um Professor Andreas Peschel und Professor Thilo Stehle konnte Struktur und Funktion eines bislang unbekannten Proteins aufklären, mit dessen Hilfe sich gefürchtete Erreger wie Staphylococcus aureus gegenüber dem menschlichen Immunsystem wie mit einer Tarnkappe schützen. Die Studie wurde am Mittwoch im Fachmagazin Nature veröffentlicht. (more…)

Forscher entschlüsseln einen Mechanismus bei schweren Hautinfektionen

By Guest PostJanuary 24, 2017Healthchristopher weidenmaier, daniela keinhoerster, entschluesseln, hautinfektion, jessica schade, krankheitsverlauf, mechanismus, staphylococcus aureus, stefanie wanner, therapie, zuckerpolymers

Zuckerpolymere der äußeren Zellhülle von Staphylococcus aureus führen zu besonders aggressivem Krankheitsverlauf – Ansatzpunkt für mögliche Therapie

Staphylococcus aureus gehört zu den am meisten gefürchteten multiresistenten Erregern. Vor allem bei Menschen mit geschwächtem Immunsystem verursacht das Bakterium oft lebensbedrohliche Infektionen. In den letzten Jahren sind weltweit besonders aggressive Stämme von S. aureus aufgetaucht, sogenannte „Community-Associated Methicillin-Resistant Staphylococcus aureus“ oder CA-MRSA, die selbst bei gesunden Menschen schwerwiegende Infektionen von Haut und Gewebe auslösen können. (more…)

Testing Water for Antibiotic-Resistant Bacteria

By Guest PostOctober 26, 2014Scienceantibiotic resistant bacteria, arizona, brian ellis, doctoral candidate, erich bornberg bauer, for, gilbert, health risk, hti, human toxicity impact, judith korb, lu chen, methicillin-resistant, mrsa, pcr, polymerase chain reaction, shale gas production, soziale evolution, staphylococcus aureus, test tube, tucson area, university of arizona, wastewater treatment plant

Antibiotic-resistant bacteria are an important concern for disease prevention in the future. UA doctoral candidate Victoria Obergh is testing Tucson-area wastewater systems to find out where these bacteria can be found.

In the lab, Victoria Obergh transfers bacterial DNA samples into a tray. A graduate student in the University of Arizona’s Department of Soil, Water and Environmental Science, part of the College of Agriculture and Life Sciences, Obergh works with the samples under a sterile hood sporting an ultraviolet light to kill any unwanted DNA. (more…)

IBM Reveals Five Innovations That Will Change Our Lives within Five Years

By Guest PostDecember 17, 2012Technologyanatomy, antibiotic resistant bacteria, baby talk, bernie meyerson, cognitive computing systems, cognitive systems, ct scans, era, era of computing, five innovations, galway bay, hendrik hamann, human brain, human views, ibm, ibm scientists, ibm technology, ibm5in5, intuitive interaction, ireland, methicillin-resistant, modalities, mris, mrsa, noise level, pathologies, sensors, smartphone, speech recognition system, staphylococcus aureus, touch experience, ultrasound images, video, visual data, visual media, wedding dress, x-rays, YouTube

Breakthroughs will mark the era of cognitive systems when computers will, in their own way, see, smell, touch, taste and hear

ARMONK, N.Y. – 17 Dec 2012: Today IBM unveiled the seventh annual “IBM 5 in 5” (#ibm5in5) – a list of innovations that have the potential to change the way people work, live and interact during the next five years.

The IBM 5 in 5 is based on market and societal trends as well as emerging technologies from IBM’s R&D labs around the world that can make these transformations possible. (more…)

Geoscientists Find Key to Why Some Patients Get Infections from Cardiac Implants

By Guest PostOctober 26, 2011Health, Scienceamericans, antibiotics, atomic force microscopy, bacteria adhere to mineral surfaces, bacterial and human proteins, bacterial cells, biofilm, biofilm formation, biofilm of persistent bacteria, blood infection bacteremia, charles darwin, common human blood protein, contaminated device, deadly blood infection, defibrillators, duke university medical center, enriqueta barrera, eric taylor, fibronectin, fibronectin binding protein a, gene mutations, genetic variants, geobiologists, heart implants, human body, implanted cardiac devices, infections, l barth reller, molecular dynamics simulations, nadia casillas ituarte, national science foundation, ohio state university, pacemakers, patients with implants, prosthetic cardiac valves, proteins of infectious bacteria, ruchirej yongsunthon, single nucleotide polymorphisms, snips, snps, solid substrate, staph bacteria, staphylococcus aureus, steven lower, supaporn lamlertthon, united states, vance fowler

*Bacterial cells have gene mutations that allow them to ‘stick’ to the devices*

New research suggests that some patients develop a potentially deadly blood infection from their implanted cardiac devices because bacterial cells in their bodies have gene mutations that allow them to stick to the devices.

Geoscientists were the major contributors to the finding.

Proceedings of the National Academy of Sciences published the study results online this week. (more…)

‘Chemical Compounds in Trees Can Fight Deadly Staph Infections in Humans’

By Guest PostFebruary 23, 2011Health, Scienceacne treatment, anti bacterial, antibiotic, bacteria, brian thompson, cash crop, cedar needles, chung ho lin, evolving bacterium, farmers, george stewart, immune systems, key to fighting a deadly bacterium, little economic value, methicillin-resistant, missouri, mrsa, pneumonia, red cedar tree, resistant to most medications, skin, skin cancer, staph infections, staphylococcus aureus, superbug, toxic shock syndrome, trash tree, tree species

COLUMBIA, Mo. – Most people would never suspect that a “trash tree,” one with little economic value and often removed by farmers due to its ability to destroy farmland, could be the key to fighting a deadly bacterium. Now, a University of Missouri researcher has found an antibiotic in the Eastern Red Cedar tree that is effective against methicillin-resistant Staphylococcus aureus (MRSA), a “superbug” that is resistant to most medications.

“I wanted to find a use for a tree species that is considered a nuisance,” said Chung-Ho Lin, research assistant professor in the MU Center for Agroforestry at the College of Agriculture, Food and Natural Resources. “This discovery could help people fight the bacteria as well as give farmers another cash crop.” (more…)

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