Common gut bacteria use protein delivery systems to interact directly with human cells, reshaping how scientists view the ...

Scientists have uncovered a direct molecular mechanism by which gut bacteria inject proteins into human cells, reshaping immune responses and potentially driving inflammatory disease. Scientists have ...

Cholera remains a major global public health challenge, with an estimated 1.3 to 4 million cases and tens of thousands of deaths reported worldwide each year. Caused by the bacterium Vibrio cholerae, ...

Scientists have uncovered a new explanation for how swimming bacteria change direction, providing fresh insight into one of biology’s most intensively studied molecular machines. Bacteria move through ...

Humans have long had a love-hate relationship with bacteria. While there are bacterial strains that humans cannot live without, such as those that help us digest our food and bolster our immune ...

Scientists think they may have finally discovered the reason why human body temperature has been decreasing over the past few centuries—gut microbes. A paper published in the American Journal of ...

Common ocean bacteria struggle to divide when conditions change, reshaping how warming seas affect ecosystems.

Gram staining is one way scientists can identify bacteria. Gram-positive bacteria, such as Staphylococcus, appear blue or purple under a microscope when scientists apply a stain. Conversely, ...

Gram-positive bacteria show blue or purple after Gram-staining in a laboratory test. They have thick cell walls. Gram-negative bacteria show pink or red on staining and have thin walls. They release ...

Bacteria in the human gut can directly deliver proteins into human cells, actively shaping immune responses.

Mark Blaskovich receives funding from a range of government, not-for-profit and commercial organisations for research into antibiotic discovery and development. He is affiliated with AAMRNet ...