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Bacteria have their own immune system protecting against outside DNA
Bacteria like Salmonella have a complicated immune system that helps them recognize and isolate foreign DNA trying to invade their cell membrane. view more (2006-06-09)
New approach could lower antibiotic requirements by 50 times
Steven Hagens, previously at the University of Vienna, told Chemistry & Industry, the magazine of the SCI, that certain bacteriophages, a type of virus that infects bacteria, can boost the effectiveness of antibiotics gentamicin, gramacidin or tetracycline. view more (2007-01-30)
Scientists a step closer to producing fuel from bacteria
Scientists at the University of Sheffield have shown how bacteria could be used as a future fuel. The research, published in the journal Bioinformatics, could have significant implications for the environment and the way we produce sustainable fuels in the future. view more (2008-08-07)
After a 40-year search, a hormone controlling iron metabolism in mammals is finally identified
Iron is vital for cells, because it catalyzes key enzyme reactions; it is also crucial for respiration, fixing atmospheric oxygen to hemoglobin in red blood cells. Iron deficiency can lead to severe anemia, with inadequate tissue oxygenation. An excess of iron is also toxic, as it facilitates the generation of free radicals that can attack the... view more... (2002-04-03)
Male-killing bacteria makes female butterflies more promiscuous
A study at UCL (University College London) finds that a high-prevalence of male-killing bacteria active in many species of insect including the butterfly, actually increases female promiscuity and male fatigue. view more (2007-02-06)
Flat bacteria in nanoslits
It appears that bacteria can squeeze through practically anything. In extremely small nanoslits they take on a completely new flat shape. Even in this squashed form they continue to grow and divide at normal speeds. view more (2009-08-18)
University of Leicester scientists discover technique to help 'friendly bacteria'
There is currently a great deal of interest in the health-associated properties of probiotics, also known as 'beneficial' or 'friendly' bacteria, and prebiotics, the food needed for the growth of probiotic when inside our bodies. view more (2007-09-21)
Twice daily imatinib could improve outcome for people with specific form of gastro-intestinal cancer (pp 1101, 1127)
Results of a randomised trial in this week's issue of THE LANCET suggest that a single daily 400 mg dose of imatinib-known to be a first-choice treatment for gastro-intestinal stromal tumours (GIST)-is sufficient to induce a therapeutic response; a doubling of a daily dose can slightly improve progression-free survival for patients. view more (2004-09-22)
Drugstore in the Dirt
French clay that kills several kinds of disease-causing bacteria is at the forefront of new research into age-old, nearly forgotten, but surprisingly potent cures. view more (2007-10-26)
Bacteria 'launch a shield' to resist attack
Researchers from the University of Copenhagen and the Technical University of Denmark along with other collaborators in Denmark and the US found that the bacterium Pseudomonas aeruginosa can 'switch on' production of molecules that kill white blood cells - preventing the bacteria being eliminated by the body's immune system. view more (2009-11-02)
Simple test could offer cheap solution to detecting landmines
Scientists have developed a simple, cheap, accurate test to find undetected landmines. view more (2009-11-16)
Why is long-term therapy required to cure tuberculosis?
Understanding why other bacteria become resistant to antibiotics could hold the key to understanding why TB takes so long to cure, say researchers in a policy paper in PLoS Medicine. view more (2007-03-20)
Natural fats can prevent sexually transmitted infections, including HIV
A fat commonly found in foodstuffs such as milk can rapidly destroy sexually transmitted viruses and bacteria, including HIV, researchers have discovered. The search for another method to prevent sexually acquired infections has intensified since reports that frequent use of commercially available spermicidal products may be toxic to the vagina... view more... (1999-06-28)
Bacterium that may cause cancer is identified
A University of Sheffield scientist has isolated a bacterium that may cause cancers in those with a genetic pre-disposition to the disease. Dr Milton Wainwright, of the University's Molecular Biology and Biotechnology department, researched historical literature and found that, as early as the 1890s, bacteria were believed to cause cancer.... view more... (2002-12-09)
Tiny magnetic crystals in bacteria are a compass, say Imperial researchers
Scientists have shown that tiny crystals found inside bacteria provide a magnetic compass to help them navigate through sediment to find the best food, in research out today. view more (2008-12-17)
Pinhead-size worms + robot = new antibiotics
In an advance that could help ease the antibiotic drought, scientists in Massachusetts are describing successful use of a test that enlists pinhead-sized worms in efforts to discover badly needed new antibiotics. view more (2009-08-06)
Poultry probiotics - Easter discovery for UK chicks
UK scientists have discovered a new way to combat food poisoning, by targeting it in living animals using beneficial bacteria. Probiotics provide fresh hope for destroying food poisoning bacteria in poultry before it enters the food chain. Scientists at the Institute of Food Research (IFR) have discovered that the probiotic Lactobacillus johnsonii... view more... (2004-04-07)
Disinfectants can make bacteria resistant to treatment
Chemicals used in the environment to kill bacteria could be making them stronger, according to a paper published in the October issue of the journal Microbiology. Low levels of these chemicals, called biocides, can make the potentially lethal bacterium Staphylococcus aureus remove toxic chemicals from the cell even more efficiently, potentially... view more... (2008-10-06)
How Good Are Indicator Bacteria at Predicting Pathogens in Recreational Water?
Bacteria commonly used to indicate health risks in recreational waters might not be so reliable after all. Pathogenic E. coli were pervasive in stream-water samples with low concentrations of fecal indicator bacteria. view more (2009-09-23)
A possible role for honey in the treatment of wounds
New research carried out by scientists at partner institutions UWIC (University of Wales Institute, Cardiff), University of Wales College of Medicine (UWCM) in Cardiff and the University of Waikato, New Zealand, has found sensitivity to honey of wound infecting bacteria. In a report published in the November 2002 issue of Journal of Applied... view more... (2002-11-21)
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