These marker genes often confer resistance to antibiotics to the plants.

ECONOMIST: Development and the environment

Dr Lagae and Dr Freitas have used similar techniques to find marker molecules for breast cancer and genes linked to cystic fibrosis.

ECONOMIST: Labs on a chip

Through the use of previously published simple sequence repeat (SSR) marker maps, linkages between the mapped molecular markers and genes for three different morphological traits was identified.

FORBES: The Four-Leaf Clover Gene?

They added that further research could examine if decreased amygdala volume in cocaine addicts represents a marker for illness that could lead to the identification of genes that modify the risk for addiction.

BBC: Cocaine users were compared to non-users