Oil spills lead to rapid changes in the composition of the natural bacterial flora; oil-degrading bacteria that are nearly undetectable before release of the oil can become dominant in its presence.

or gut flora, of giraffes in Kenya. By sequencing plant and bacterial DNA from faecal samples, they were able to investigate both the bacterial composition of the gut and which plants wild ...

A study published July 8 in Nature Microbiology identified gut microbiome could be a more objective mechanism of diagnosis.