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Fungi - Deuteromycota, Imperfect Fungi

sexual phase sac species

The Deuteromycota is a heterogeneous group of unrelated species in which sexual reproduction has never been observed. Since mycologists refer to the "perfect phase" of a life cycle as the phase in which sexual reproduction occurs, these fungi are often referred to as imperfect fungi. These fungi may have lost their sexual phase through the course of evolution. Alternatively, biologists simply may not have found the appropriate environmental conditions to observe development of the sexual phase of their life cycle.

The Deuteromycota are classified as fungi for two main reasons. First, their multicellular tissue is similar to the hyphae of sac fungi and club fungi. Second, they have erect hyphae with asexual spores, called conidiophores, which are similar to those of the sac fungi and club fungi.

Most imperfect fungi are believed to be related to the sac fungi because their conidiophores closely resemble those produced by the sac fungi during their sexual phase. The imperfect fungi are not placed in the Ascomycota phylum because classification of that group is based on the morphology of sexual structures which the Deuteromycota do not have.

The best known fungus in this phylum is Penicillium. Some species in this genus appear as pathogenic, blue-green molds on fruits, vegetables, and cheeses. Several other species are important for the making of cheeses, such as blue cheese, Roquefort, and Camembert. Certainly the best known product from this genus is penicillin, the first widely-used antibiotic. Penicillin was first discovered in Penicillium notatum over 50 years ago, but is now known to be produced by many other species in this genus.

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about 9 years ago

great info but i need more about imperfect fungi characteristics

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over 5 years ago

This sucked

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over 5 years ago

It is a very worst information i have ever found in my life. so please it is a humble request to not to show this type of info again. otherwise you wait and watch . now get lost becuse I am not idle or idiotic person like you.

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almost 10 years ago

yeah,its a great work it will help me but i also need that how deutromytes generates variability.please help me out

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over 5 years ago

This sucked

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over 5 years ago

This sucked

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over 5 years ago

This sucked

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over 5 years ago

This sucked

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over 9 years ago

Me and my friend have to make an accrostic poem and this reaaaaaaaaaally helped. Word.

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over 9 years ago

helpful for bio. thx

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over 1 year ago

the page is good which increase the understanding

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over 5 years ago

there is nothing about science n its terminologies

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almost 6 years ago

thanks a lot i know all about the information that found this wedsite.great/?//

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about 9 years ago

this is really helpful, i'm using it to do a science project

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almost 10 years ago

I love this website

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over 9 years ago

It was 90% perfect, just add a few more of the structures that Deuteromycota organisms use for asexual reproduction. That will make it perfect!! A great website!

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over 9 years ago

it gives me lot of info...

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almost 6 years ago

thanks a lot i know all about the information that found this wedsite.great/?//

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over 6 years ago

this is agreat web site 100 percent on my biology test

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over 6 years ago

according to what we classify imperfect fungi ? is according to shape of conidiophores ?

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about 9 years ago

OMG this helped me soooo much!!!!
i love you

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about 9 years ago

same here kate! this was a great website

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about 9 years ago

thanks a lot....

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over 9 years ago

thx this helped a lot for bio

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over 9 years ago

im happy that i found this page, because i used if for a science project i found. and me and my boyfriend got a good grade on it, so thats good. :P

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almost 10 years ago

this web site rox!!!!

it helped a lot!!!

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almost 10 years ago

thanks so much!

helped a ton =]

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almost 10 years ago

WootWoot! this is awesome.

gee it helped me so much on my research paper for college.

yyayyaya thank ya babe.

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about 10 years ago

very useful thanks a mil!!

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about 10 years ago

ya, nicole is right. but r there any other examples other than penicillin?

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about 3 years ago

Maliit lamang ang katawan

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almost 5 years ago

this wasn't that useful i asked 4 the scientific name...none of these websites have it...Please someone type in the scientific name!!!!!

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about 5 years ago

Not bad. just add how to produce asexual and sexual. :)

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over 9 years ago

yea well this site helped a little but it needs more like the reproduction cycle, adaptations, and the scientific name

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over 2 years ago

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over 2 years ago


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over 2 years ago

This sucked pp