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204 Current news about the topic microbiology

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Malaria-causing parasite manipulates liver cells to survive

24-May-2018

When the malaria-causing Plasmodium parasite first slips into the human bloodstream, injected by the bite of an infected mosquito, it does not immediately target red blood cells. Instead, it seeks refuge inside the liver and rapidly reproduces, copying itself as many as 30,000 times in the span ...

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Molecule may help tame virulent bacteria and prevent infection

Findings discuss how Staphylococcus can colonize our noses but not cause infection

27-Apr-2018

According to the U.S. Centers for Disease Control and Prevention, about one in three humans carries Staphylococcus aureus, or "staph," in our noses, and 2 percent of us carry the dreaded methicillin-resistant (MRSA) strain that thwarts common antibiotics. So how is it that most of us never get ...

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Study of COPD patients has created a 'looking glass' into genome of pathogen

21-Mar-2018

Decades of work on chronic obstructive pulmonary disease (COPD) at the University at Buffalo and the Veterans Affairs Western New York Healthcare System have yielded extraordinary information about the pathogen that does the most harm to patients. The results provide the first insights into how ...

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How Salmonella 'die' at low temperatures

08-Feb-2018

The most economical way to kill bacteria that cause common food-borne illnesses -- mostly caused by Salmonella enterica -- is heat, but, the mechanisms that kill Salmonella at lower temperatures were not fully understood until now, according to a team of researchers. Bacteria can develop ways to ...

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Paving the way for the development of vaccines for emerging viruses

31-Jan-2018

The search for vaccines, treatments and preventive methods against infection by emerging viruses is one of the major challenges of global epidemiology. New pathological agents continue to emerge, such as the arbovirus transmitted by insects (in this case mosquitoes) that causes West Nile fever, ...

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Botulinum-type toxins jump to a new kind of bacteria

30-Jan-2018

Enterococci are hardy microbes that thrive in the gastrointestinal tracts of nearly all land animals, including our own, and generally cause no harm. But their ruggedness has lately made them leading causes of multi-drug-resistant infections, especially in settings like hospitals where antibiotic ...

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Unexpected environmental source of methane discovered

17-Jan-2018

Nitrogen-fixing bacteria are the chief means by which nitrogen gas in the air is changed into a form that plants and animals can use. Roughly 10 percent of these nitrogen-fixing microorganisms contain the genetic code for manufacturing a back-up enzyme, called iron iron-only nitrogenase, to do ...

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Immune cells that keep gut fungi under control

15-Jan-2018

Immune cells that process food and bacterial antigens in the intestines control the intestinal population of fungi, according to a new study from Weill Cornell Medicine scientists. Defects in the fungus-fighting abilities of these cells may contribute to some cases of Crohn's disease and other ...

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Many more bacteria have electrically conducting filaments

12-Dec-2017

Microbiologists led by Derek Lovley at the University of Massachusetts Amherst, who is internationally known for having discovered electrically conducting microfilaments or "nanowires" in the bacterium Geobacter, announce in a new paper this month that they have discovered the unexpected ...

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Bacteria may help babies' digestive tracts more than suspected, scientists find

09-Nov-2017

Some of the first living things to greet a newborn baby do a lot more than coo or cuddle. In fact, they may actually help the little one's digestive system prepare for a lifetime of fighting off dangerous germs. But these living things aren't parents, grandparents or siblings - they're helpful ...

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