Magnesium depletion by Candida albicans unleashes two unusual modes of colistin resistance in Pseudomonas aeruginosa with different fitness costs. - Hsieh, Yu-Ying Phoebe; O'Keefe, Ian P.; Wang, Zeqi; Sun, Wanting; Yang, Hyojik; Vu, Linda M.; Smalley, Nicole E.; Ernst, Robert K.; Dandekar, Ajai A.; Malik, Harmit S. (PLoS Biology, 2026)