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 Zen Peddler
 
Registered: 06/18/01
Posts: 6,379
Loc: orbit
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 90% green molds are NOT Trichoderma. 
#594327 - 03/31/02 06:41 AM (22 years, 5 months ago) |
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Did you guys know that the most common green mold is Aspergillis - Pale green in colour when sporelating, otherwise off white. Common to agar and grain cultures and all organic substrates. Often found on wet woods throughout people's houses and on old bread. Spread by air.
Trichoderma on the other hand rarely attacks substrates , but prefers to parasite on mushroom or mycelia matter - or attacks non-nuetral humus casings. It is bright forest green and is spread through air.
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 Seuss
Error: divide byzero
Registered: 04/27/01
Posts: 23,480
Loc: Caribbean
Last seen: 15 days, 19 hours
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 Re: 90% green molds are NOT Trichoderma. [Re: Zen Peddler]
#595604 - 04/01/02 02:07 PM (22 years, 5 months ago) |
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Aspergillis looks quite a bit different than trich. Aspergillis is more of an olive green while trich is more of a forest green. Aspergillis also has a very distinct "button" look to it as it grows, at least on a flat surface. You are correct though... lots of green out there besides trich.
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Just another spore in the wind.
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Suntzu
Geek
Registered: 10/14/99
Posts: 1,396
Last seen: 1 month, 16 days
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Re: 90% green molds are NOT Trichoderma. [Re: Seuss]
#595718 - 04/01/02 04:51 PM (22 years, 5 months ago) |
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Just a note, Aspergillus and Penicillium vary enough in their conidia formation [greening] that you can't tell them apart from one another without a look under the scope. Some Penicillium/Aspergillus are more-white-than-green [peripheral growth], others of both genera are solid forest-green. Many books like to say that Penicillium is more 'blue-green' than Aspergillus, but in reality the two are indistinguishable macroscopically.
Trich., on the other hand, has a different look to it. Sort of lichen-like.
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aenima
member
Registered: 06/06/01
Posts: 194
Loc: UK
Last seen: 22 years, 2 months
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Re: 90% green molds are NOT Trichoderma. [Re: Zen Peddler]
#596383 - 04/02/02 10:09 AM (22 years, 5 months ago) |
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did you also know that i must have the highest amount of Penicillium/Aspergillus in my house, goddamned only contam i get, even when mega careful
grrrrrr
well i guess you didn't know that, and i can also guess you didn't care, but.....
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I've been wallowing in my own confused, insecure dellusions
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Seuss
Error: divide byzero
Registered: 04/27/01
Posts: 23,480
Loc: Caribbean
Last seen: 15 days, 19 hours
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Re: 90% green molds are NOT Trichoderma. [Re: Suntzu]
#596572 - 04/02/02 01:37 PM (22 years, 5 months ago) |
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I have worked with aspergillus in the lab that was a dark greyish sludge as well. We had to run its DNA to identify it. Macroscopic identification of microbes is really difficult and open to lots of error. Similiar to mushrooms... you can't simply look at one single thing and expect to identify it correctly (usually).
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Just another spore in the wind.
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Seuss
Error: divide byzero
Registered: 04/27/01
Posts: 23,480
Loc: Caribbean
Last seen: 15 days, 19 hours
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Re: 90% green molds are NOT Trichoderma. [Re: aenima]
#596575 - 04/02/02 01:39 PM (22 years, 5 months ago) |
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> i must have the highest amount of Penicillium/Aspergillus in my house
Yep... I said the same thing until I stopped using the oven tek... get out of the kitchen and see if your contamination rates fall. (Lots of assumptions on my part...)
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Just another spore in the wind.
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