Staphylococcus aureus: Master Manipulator of the Skin.

Skin colonization by Staphylococcus aureus is associated with severity of atopic dermatitis (AD). Two papers in this issue of Cell Host & Microbe by Nakagawa et al. (2017) and Liu et al. (2017) define a pathway by which epicutaneous Staphylococcus aureus promotes skin inflammation and may contribute to AD.