Since Cryptococcus, like most club fungi (Basidiomycota), must mate to produce airborne spores, researchers have been faced with a mystery. "The unusual thing about C. neoformans and C. gattii is for ...

Pseudomonas aeruginosa (small rod-shaped bacteria) swarms toward and around a neighboring Cryptococcus neoformans (round yeast) colony. The thin fluid halo surrounding the yeast enables the bacteria ...