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Viroids

About microscopic forms of life, including Bacteria, Archea, protozoans, algae and fungi. Topics relating to viruses, viroids and prions also belong here.

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Viroids

Postby Plavin » Thu Apr 07, 2005 2:51 am

Hi everyone, I was wondering if some viroids are soil-bourne, and if there are soil borne ones... some examples of them or what they are called. Thanks!
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Postby Plavin » Mon Apr 11, 2005 2:46 am

Does anyone know anything about viroids? Maybe some good articles?
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Postby b_d_41501 » Tue May 31, 2005 2:11 pm

Viroids are actually pretty simple. Viroids are infectious agents composed exclusively of a single piece of circular single stranded RNA which has some double-stranded regions. Viroids mainly cause plant diseases but have recently been reported to cause a human disease. Catalytic RNAs are those that have the intrinsic ability to break and form covalent bonds; Viroids are catalytic RNA's (ribozymes) that cleave RNA to produce fragments containing a 5'-hydroxyl and a 2', 3'-cyclic phosphate. I do believe that the Wheat (soil-borne) mosaic virus is indeed a soil-borne viroid. Here is a website of any and every virus that you are probably likely to come into contact with ever: http://www.tulane.edu/~dmsander/Big_Vir ... sList.html
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Postby MrMistery » Wed Jun 01, 2005 7:39 pm

Oh my god!!! I wonder if there is a virus on earth that is not on that list!!! :shock: :shock: :shock: :shock: :shock:
"As a biologist, I firmly believe that when you're dead, you're dead. Except for what you live behind in history. That's the only afterlife" - J. Craig Venter
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Postby b_d_41501 » Thu Jun 02, 2005 3:30 pm

Lol, I surely hope not. Because if there is, there's gonna be a really bad pandemic. lol
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