STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY STEVE GSCHMEISSNER / SCIENCE PHOTO LIBRARY
Penicillium fungus. Coloured scanning electron micrograph (SEM) of Penicillium sp. fungus growing on a lychee. Specialized threads (hyphae, pink), called conidiophores, are seen. Bunches of spores (round, conidia, the fungal reproductive units) have formed on these. The antibiotic penicillin is obtained from certain types of Penicillium fungi. Other types are used in the fermentation of cheeses. Magnification: x225 at 6x7cm size.
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