Fig. 5.

Membrane integrative analysis with a fluorescence microscope. S. cerevisiae and P. kudriavzevii were cultivated in the medium with 10 ​g/L IA supplementation for 10 ​h. Cells with undamaged membranes only fluoresced green, whereas cells with compromised membranes fluoresced both green and red, indicating that propidium iodide entered the nucleus and bound to the nucleic acids. (For interpretation of the references to color in this figure legend, the reader is referred to the Web version of this article.)