A gut toxin that’s been linked to colorectal cancers for more than two decades may be to the sharp rise of the disease in younger people, according to new research.

A number of species of harmful gut bacteria — including certain strains of E.coli, Klebsiella pneumoniae and Citrobacter koseri — produce a toxin called colibactin.Since the mid 2000s, studies ...

Strains of three bacteria known to cause fatal infections, belonging to the species Salmonella enterica, Escherichia coli, and Citrobacter koseri are attracted to the human blood serum.

Researchers found at least three types of bacteria – Salmonella enterica, Escherichia coli, and Citrobacter koseri – are attracted to human blood. NE Portland street takeover leads to arrests ...