Reproductive Structures Showing Manganese Deposits (IMAGE)

Harvard University

Reproductive Structures Showing Manganese Deposits

Caption

The fungus S. aciculosa produces spores (called conidia) on stalks during asexual reproduction. The brown color at the base of these structures is the natural color of the manganese oxides that precipitate there following oxidation of reduced manganese by superoxide. The hyphae are not involved in oxidation.

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Photo courtesy of Colleen Hansel

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