Molecular neuroscience: Bitter breath for lung airways

Molecular neuroscience: Bitter breath for lung airways

Nature 474, 7349 (2011). doi:10.1038/474008e

Lining the lower airways are ‘brush’ cells that can sense bitter molecules and send signals to regulate breathing, perhaps providing a defence against bacteria, which produce bitter compounds.Gabriela Krasteva at Justus Liebig University in Giessen, Germany, and her colleagues found that brush cells in