Deuteromycetes

Deuteromycetes—also known as Deuteromycota, Deuteromycotina, fungi imperfecti, and mitosporic fungi—are fungi that are unable to produce sexual spores and are therefore placed in their own separate phylum.

The deuteromycetes are commonly called fungi imperfecti, that is, “imperfect fungi.”

Those fungi that lack a known sexual reproduction cycle are in the division Deuteromycetes.

As far as we know, these fungi reproduce only by an asexual process.

(When such an organism’s sexual stage is discovered, the fungus is usually reclassified.)

Many human pathogens are currently in this division.

These organisms reproduce by fragmenting, with hyphae segments commonly blown about in dust by air currents and the wind.

A familiar deuteromycete is the athlete’s-foot fungus, which can be picked up from fragments on towels and shower-room floors.

The general characteristics of Deuteromycetes are:

1. These fungi are also known as the asexual fungi or fungi imperfecti or mitosporic fungi.
2. These fungi will not reproduce asexually so known as the imperfect fungi.
3. The somatic body is characterized by the production of septate mycelium, branched hyphae and asexual life cycle.
4. The certain fungus produces appressoria and haustoria.
5. Most of the fungus reproduces by means of conidia.


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