Los Angeles, Jan. 4 -- : Early findings from an ongoing prospective trial led by researchers at Cedars-Sinai suggest that one type of gut bacteria may aid in the development of Type 2 diabetes while a different type may shield against it.

People with higher levels of the bacterium Coprococcus in their microbiomes tended to have higher insulin sensitivity, according to a study that was published in the peer-reviewed journal Diabetes, while those with higher levels of the bacterium Flavonifractor in their microbiomes tended to have lower insulin sensitivity.

For years, investigators have sought to understand why people develop diabetes by studying the composition of the microbiome, which is a collection of microorganisms that include fungi,...