Mold on surface of jelly [Credit: (Left) Ingmar Holmasen, (right) Stephen Collins]In biology, a conspicuous mass of
mycelium and fruiting structures produced by various fungi (kingdom Fungi; &see;
fungus). Molds of the genera
Aspergillus,
Penicillium, and
Rhizopus are associated with food spoilage and plant diseases, but some have beneficial uses, such as in the manufacture of
antibiotics (e.g.,
penicillin) and certain cheeses.
Neurospora, or orange bread mold, has been invaluable in the study of genetics. Water molds (phylum Oomycota, kingdom Chromista) live in fresh or brackish water or wet soils, absorbing dead or decaying organic matter. &Seealso; slime mold.
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