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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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Postby victor » Tue Sep 06, 2005 10:38 am

MrMistery wrote:@protozoan. We have a huge discussion about this. Check it out;)

@victor
What exactly is the name of the flu virus, for example?(genus, species..) :wink:


@Andrew
Haha...you think that I don't know 'bout that?? influenza viruses are grouped into Orthomyxoviridae and the species is Orthomyxovirus.
I'll explain the details for you if you want.. :lol:
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Postby victor » Tue Sep 06, 2005 11:02 am

Hey, anyone can help me with this problem?it's about viruses..
AIDS is a syndrome caused by HIV which is grouped into Lentiviruses. the cure still doesn't found yet, but they've made a cure that will not cure the AIDS people completely but only enlarge their lifespan. That remedy is ARV (anti-retro viral).
ARV is a cure to kill retroviruses that oftenly cause tumors and cancers. But why these kind of drug can -at least- effective in combating the lentiviruses? does it has a connection betwee lentiviruses and retroviruses?
Please help..... :?
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Postby chemistry_freako » Wed Sep 07, 2005 6:04 am

Retroviridae is the family name (Group VI), and under retroviridae, we have 7 genera, of which one is Lentivirus.

Taxonomic structure of the family.
Genus "Mammalian type B retroviruses" (VC 61.0.1. ),
Genus "Mammalian type C retroviruses" (VC 61.0.2. ),
Genus "Avian type C retroviruses" (VC 61.0.3. ),
Genus "Type D retrovirus group" (VC 61.0.4. ),
Genus "BLV-HTLV retroviruses" (VC 61.0.5. ),
Genus Lentivirus (VC 61.0.6. ), and
Genus Spumavirus (VC 61.0.7. ).
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Postby victor » Wed Sep 07, 2005 11:54 am

Ok...I get it now..thanx C.Freako.. :lol:
Oh yes, about my recent post above..I think it needs a little addition.
Actually Myxoviruses are viruses that can bond with cell's receptor (I think the receptor's name is asilic acid).
Myxoviruses can be classified into 2 groups which are Orthomyxoviruses (influenza viruses) and Paramyxoviruses...(why there's no Metamyxoviruses?? :lol: )
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Postby MrMistery » Wed Sep 07, 2005 6:16 pm

Rubb it in, why don't you?
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Postby victor » Thu Sep 08, 2005 11:46 am

I can't since I'm new in Virology.. :lol: and I have to join virology in medical study program, not in Biology program.. :(
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Virus as Microorganism

Postby roemer » Fri Sep 09, 2005 1:50 am

Please comment . Thanks

In order to be a microorganism, something must be an organism , primarily, and of a particular size, secondarily.

If a virus iis a living thing, then it can be a microorganism.
If it is not alive, then it cannot be a microorganism.
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Postby victor » Fri Sep 09, 2005 11:20 am

Um, yes..if it's a microorganism (I think that nanoorganism is more fit to viruses.. :lol: ) we can group it in microorganism's area. But if it's not, I think it can be placed as a microorganism's non-living relative.. :lol:

Oh, one more thing..can viruses die? or it just can be inactivated? because I've read one book which said that protein is not a living thing, so we can't kill it..all we can do is just denaturate it. do viruses act like that?
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Viruses - Living or Not?

Postby Mjhavok » Sun Sep 25, 2005 5:47 pm

How about this. The scientific community can't decide if viruses are living or non living.

Perhaps viruses are the planets immune system trying to fight of a cancer of the planet (human beings). The more antibiotics we develop the worse the viruses get. Until the 19th century or so and especially after the industrial revolution the world’s human population has increased at a dramatic and unsustainable rate. I read that in 50 years time it is expected to have doubled to like 13 billion.

Not long before the industrial revolution human beings had equilibrium with the world and didn't strip it of every natural resource. Anyways enough of me sounding like a neo green peace activist as I sound like a hypocrite because I love science and most of its applications which help us understand life and the universe.

Thanks for listening.
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about viruses

Postby lara » Sat Oct 15, 2005 10:58 am

as for me viruses are the most advanced group.they get what they want without much struggle for existence for food,water etc.
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Postby victor » Mon Oct 17, 2005 12:03 pm

There're some othe infectious agent that confuse me...think that's impossible but the truth says different.
they're:
Viroid = made by nucleic acid and no protein surround it (just a nucleic acid!!!)...

Prions = made out from protein and no nucleic acid (for this, I can understand, just imagine toxin protein).

Virusoid = don't have any idea for this... :lol:
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Postby MrMistery » Mon Oct 17, 2005 6:03 pm

*Remembering the national lot*
viroid(virusoid-they are the same thing)= small nude RNA particle, with small molecular weight(<100 kDa), no protein coat. because it does not have a protein coat it "hitches a ride" in a virus's capside. They cause the most deseases in plants- the cadang-cadang desease of the coconut tree, potato spindle tuber, Crysanthemum stunt desease). The only known viroid to attack humans producec hepathisys D, and it is located in the protein of the hepathisys B virus
prion- infectious particle of proteic nature, of a very very small molecullar weight(~30kda). The desease usually affects the CNS and has a very low evolution(years). It usually results in death. Deseases: Kuru, Creutzfeldt-Jakob, fatal family insomnia, mad cow desease, Gerstmann-Straussler syndrome
*remembering over*
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