Category Archives: Microbiology

Food and water microbiology | Legionella | Salmonella | Giardia | Cryptosporidium | E coli | Camphlobacter | Cholera | Shigella | Yersinia | plague | enteric pathogens | foodborne illnesses | food spoilage | source of food poisoning outbreaks | population health | communicable diseases | hospital infection | gastrointestinal disease outbreaks | epidemiology | child care centres | aged care homes.
Includes outbreaks in new diseases in veterinary context in relation to potential to transmit to humans.
Dialysis | dialysate.
Meningococcus | Neisseria | gonorrhea | meningitis.
Molecular biology typing | molecular biology sequencing

Australian scientists look to past to beat antibiotic resistance

ABC News Simon Lauder 24 April 2014

Australian scientists are looking to the past as they work to beat the increasing problem of antibiotic resistance.
Researchers at Monash University are not developing a new class of antibiotics, instead hoping to make an old one, Polymyxin, easier and safer to use.
Lead researcher on the project, Professor Jian Li, says Polymyxins could be the last line of defence for gram-negative superbugs.

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A plague in your family

EurekAlert 21 April 2014

For the first time, researchers have studied the Black Death bacterium’s entire family tree to fully understand how some of the family members evolve to become harmful.

Contrary to popular belief, the team found pathogenic members of this bacterial family do not share a recent common disease-causing ancestor, but instead, have followed parallel evolutionary paths to become harmful.

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‘Don’t worry, I’m not contagious’ – and other microbiological delusions

The Guardian Jenny Rohn 22 April 2014

As the cold season dribbles relentlessly onward, it’s worth considering who is – or is not – to blame for your misery

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Gate for bacterial toxins found

(University of Freiburg 16 April 2014) Prof. Dr. Dr. Klaus Aktories and Dr. Panagiotis Papatheodorou from the University of Freiburg have discovered the receptor responsible for smuggling the toxin of the bacterium Clostridium perfringens into the cell. The TpeL toxin is formed by C. perfringens, a pathogen that causes gas gangrene and food poisoning. It is very similar to the toxins of many other hospital germs of the genus Clostridium. Aktories is member of the BIOSS Centre for Biological Signalling Studies.

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Brisbane’s southside lags in vaccination take-up rates

Courier Mail Laura Chalmers 17 April 2014

WIDE discrepancies in vaccination rates are occurring across Brisbane with pockets of Brisbane’s south recording levels as low as 86 per cent, compared to 96 per cent in parts of Brisbane’s north.  Across the state, the vaccination rate is estimated by Queensland Health to be 91.5 per cent.

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Returning overseas holidaymakers bringing measles, typhoid and whooping cough into Queensland

Courier Mail Laura Chalmers 16 April 2014

ALMOST 50 Queenslanders have brought deadly vaccine-preventable diseases back into the country from overseas holidays in the past three years.

Data from the state’s Health Department shows diseases such as measles, typhoid and whooping cough are being carried back into Queensland by adults who don’t vaccinate before their vacation.

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How coughs and sneezes float farther than you think

(Massachusetts Institute of Technology 8 April 2014) A novel study uncovers the way coughs and sneezes stay airborne for long distances.

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Awareness campaign shows signs of delaying onset of drug-resistant gonorrhea in UK

(Society for General Microbiology 14 April 2014) Gonorrhea threatens to become resistant to all antibiotics used to treat it. Professor Cathy Ison will today show that campaigns in the UK to raise awareness of drug resistance have shown some success in slowing onset of treatment failure.

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Plague alters cell death to kill host

(Northwestern University 14 April 2014) Research at Northwestern Medicine has uncovered how the bacteria that cause pneumonic plague can subvert apoptotic cell death by directly destroying Fas ligand. The effect is a disrupted immune response during infection, which allows Y. pestis to overwhelm the lungs, causing death.

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Genome sequencing of MRSA infection predicts disease severity

(Cold Spring Harbor Laboratory) April 9, 2014 -The spread of the antibiotic-resistant pathogen MRSA (methicillin-resistant Staphylococcus aureus) remains a concerning public health problem, especially among doctors trying to determine appropriate treatment options for infected patients. In a study published online today in Genome Research, researchers used the genome sequence of MRSA to predict which isolates were highly toxic, thus potentially personalizing the treatment of individual MRSA infections.

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