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Episode 782             Episode 784
Episode 783

Coprinellus micaceus
Thu, 2019-Jun-27 01:55 UTC
Length - 2:53

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Welcome to featured Wiki of the Day where we read the summary of the featured Wikipedia article every day.

The featured article for Thursday, 27 June 2019 is Coprinellus micaceus.

Coprinellus micaceus is a common species of fungus in the family Psathyrellaceae with a cosmopolitan distribution. The fruit bodies of the saprobe typically grow in clusters on or near rotting hardwood tree stumps or underground tree roots. Depending on their stage of development, the tawny-brown mushroom caps may range in shape from oval to bell-shaped to convex, and reach diameters up to 3 cm (1.2 in). The caps, marked with fine radial grooves that extend nearly to the center, rest atop whitish stems up to 10 cm (3.9 in) long. In young specimens, the entire cap surface is coated with a fine layer of reflective mica-like cells that provide the inspiration for both the mushroom's species name and the common names mica cap, shiny cap, and glistening inky cap. Although small and with thin flesh, the mushrooms are usually bountiful, as they typically grow in dense clusters. A few hours after collection, the gills will begin to slowly dissolve into a black, inky, spore-laden liquid—an enzymatic process called autodigestion or deliquescence. The fruit bodies are edible before the gills blacken and dissolve, and cooking will stop the autodigestion process.

The microscopic characteristics and cytogenetics of C. micaceus are well known, and it has been used frequently as a model organism to study cell division and meiosis in Basidiomycetes. Chemical analysis of the fruit bodies has revealed the presence of antibacterial and enzyme-inhibiting compounds. Formerly known as Coprinus micaceus, the species was transferred to Coprinellus in 2001 as phylogenetic analyses provided the impetus for a reorganization of the many species formerly grouped together in the genus Coprinus. Based on external appearance, C. micaceus is virtually indistinguishable from C. truncorum, and it has been suggested that many reported collections of the former may be of the latter.

This recording reflects the Wikipedia text as of 01:55 UTC on Thursday, 27 June 2019.

For the full current version of the article, see Coprinellus micaceus on Wikipedia.

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