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E. coli bacterium. Coloured transmission electron micrograph (TEM) of an Escherichia coli (E. coli) bacterium in the early stages of binary fission, the process by which the bacterium divides. This Gram-negative bacillus (rod-shaped) bacterium normally inhabits the human intestines. Under certain conditions it may undergo rapid division, which increases its numbers to such an extent that it causes infection. E. coli cause 80% of all urinary tract infections, travellers' diarrhoea and gastroenteritis in children. The hair-like appendages around the bacterium are pili, structures used for bacterial conjugation. Magnification: x17,500 at 6x7cm size.

Life

Nanoparticles can translate chemical signals from bacteria to yeast

Particles that facilitate communication from one type of cell to another could have applications in medicine and agriculture

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seafloor

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Deep-sea microbes survive on less energy than we thought possible

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Bacteria dug up from beneath the seabed may be 100 million years old

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Bacteria dug up from beneath the seabed may be 100 million years old

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Mould from Chernobyl nuclear reactor tested as radiation shield on ISS

Space

Mould from Chernobyl nuclear reactor tested as radiation shield on ISS

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Wound-healing patch of blue-green algae mends skin quickly

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Wound-healing patch of blue-green algae mends skin quickly

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Mike Sulu at New Scientist Live

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Microorganisms: the future of food, fuel and medicine

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Soil earthy smell

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Soil gets its smell from bacteria trying to attract invertebrates

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E coli bacteria

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Bacteria sacrifice themselves when under attack to save their colonies

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Health

Gut bacteria may be responsible for bowel disorders including cancers

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Woman urinates alcohol without drinking due to yeast in her bladder

Health

Woman urinates alcohol without drinking due to yeast in her bladder

A woman was denied a liver transplant after repeatedly failing alcohol tests – but she hadn’t been drinking. It turns out that yeast in her bladder was to blame

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Health

Close-up image of brain cancer cells wins photography prize

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Life

The mysterious microbes shifting humanity's place in the tree of life

Features

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Strange spider-shaped microorganisms could be our distant ancestors

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Life

Contaminated banknote images reveal how money gets caked in bacteria

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