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Bacteria

Group A streptococcus bacteria

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What we know so far about strep A child deaths in the UK

Nobody knows for sure why more children than usual have died due to the group A streptococcus bacterium this year, but increased mixing and viral infections may be factors

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Bacteria seen with an electron microscope

Environment

Microfibres that pollute the seas are floating homes for bacteria

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Illustration of Yersinia pestis bacteria

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An mRNA vaccine protects mice against deadly plague bacteria

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Computer artwork of Mycobacterium leprae bacteria

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Leprosy bacteria may hold the key to helping the liver regenerate

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An old log floating among yellow autumn leaves in a pond

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We now know why some poos float and others sink

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The bacterium Hafnia alvei produces a molecule that mimics an appetite-reducing hormone

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Appetite-suppressing probiotic helps overweight people lose weight

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bandaged wound on a foot

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Antimicrobial drug derived from tree sap could treat chronic wounds

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2ATWGRR Juvenile Pollock (Pollachius virens) school within the protective fronds of kelp near Port Joli, Nova Scotia, Canada. August

Life

Heat-loving, oil-eating bacteria are seeping out of the seafloor

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Genetically engineered Escherichia coli is involved in the growth of many chemicals and drugs, such as insulin, but unmodified versions of the bacteria can be infected by viruses

Life

E. coli that is recoded to be virus resistant may aid drug production

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Southern Ocean and Antarctic islands near the Antarctic Peninsula in winter; Shutterstock ID 204022084; purchase_order: -; job: -; client: -; other: -

Life

Antarctic bacteria reveal an evolutionary limit to dealing with heat

Some bacteria living in the Southern Ocean can't adapt to temperatures 2掳C higher than what they can usually survive, and other organisms could face similar limits adapting to higher temperatures

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Faecal transplants ease irritable bowel syndrome for three years

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Life

Antibiotic-resistant bacteria can be killed by pom-pom molecules

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Life

Largest known bacteria in the world are visible to the naked eye

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Origin of Black Death finally found in bacteria from Kyrgyzstan graves

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