FAQ - dna virus infections
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HIV Virus Infections Attracted To Any Specific Locus?


I am wondering if a vaccine for HIV could be practical if the scientists only had to worry about just certain parts of the genome/DNA.
Are infectious viruses attracted to certain locations (loci?) of the genome.
If that was the case then perhaps just a small part of the DNA could be inhibited by drugs.
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*buzzer* wrong!

The HIV "nucleic" acid is predatory in nature and attaches wherever it wants.

Besides if we could inhibit DNA that effectively we could have healed a lot more then HIV.

The real deal is in membrane p[roteins that HIV uses. HIV immune people lack these proteins and cannot get sick even with HIV in their system.  (+ info)

Why can't scientist change the DNA strand in a Virus to reverse or fight of that very virus?


For example, extract one form of a virus. then, change its DNA strand to benefit the host. Next, return it back in to the body so it reproduces and eventually gets rid of the virus that was infecting the body in the first place?
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This is an experimental gene therapy, and there is no hard data from the experiments that this actually works, yet.  (+ info)

Could all these staph Infections be a Terrorist Attact using a Virus?


I mean how hard would it be to put that Virus in clothes and other goods that are being sent over to this Country. I don't know it just seems like in the past couple years that Staph Infection have taken over and that's scary. Where is this coming from? I mean I wonder if our Government, which I am sure they have asked this question to, wonder what is going on? What do you think? Thanks.
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I think it is less of a conspiracy theory, more of a scientific explanation...

Like many healthy people, you probably have some Staphylococcus aureus bacteria — usually simply called staph — on your skin or in your nose or throat. Most of the time, the bacteria cause no problems or relatively minor skin infections. But staph infections can turn deadly if the bacteria burrow deeper into your body, invading your bloodstream, urinary tract, lungs and heart.

In the past, most lethal staph infections occurred in people who were hospitalized or had a chronic illness or weakened immune system. Now, a growing number of otherwise healthy people, many of whom have never been in a hospital, also are developing life-threatening staph infections.

A greater problem is that many staph infections no longer respond to common antibiotics. Though most staph infections can still be successfully treated, it may only be a matter of time before the bacteria become resistant to all currently available medications.  (+ info)

people infected with HIV the virus that causes the disease aids can become unable to fight off infections by o?


people infected with HIV the virus that causes the disease aids can become unable to fight off infections by organism that normally do not harm people why is it so?
anyone know??
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Human Immunodeficiency Virus to Acquired immune deficiency syndrome. Basically you cannot fight virus' any longer, so even a cold can kill you.  (+ info)

Why do people who are treated with antibiotics for virus infections seem to get well sooner?


Doctors say that antibiotics can not help people who have viral infections. But I have noticed that people with these infections, children and adults get instantly better (within 24 hours) when given antibiotics. I realize that these people could have both bacterial and viral infections. But if so, the antibiotics knock out the bacteria leaving the viruses to continue to do their thing against the body. I also realize that viruses don't care what they attack, they attack both bacteria and humans! So, ... what's going on?
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placebo effect  (+ info)

people infected with hiv the virus that causes the disease aids can becoke unable to fight off infections by o?


people infected with HIV the virus that causes the disease aids can become unable to fight off infections by organism that normally do not harm people why is it so?
anyone know??
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Because HIV and Aids attack the immune system. So basically there will be no barrier between the body and any germs or bacteria.  (+ info)

What is the infection cycle of a DNA virus from attachment to lysis...?


PLEASE HELP ME!! 10 POINTS FOR BEST ANSWER!
I've been working all afternoon, and still can't solve.

(a) Describe and explain the observed results
(c) Describe how genome of a retrovirus like HIV becomes incorporated into the genome of the host cell.

HERE IS THE LINK:


http://www.collegeboard.com/prod_downloa...
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DNA viruses atatche to the cell and are usually incorporated into the cell as whole virions. Using enzymes present in the virus, the viral DNA is able to enter the cell's nucleus and hijack the cells DNA replication system (DNA polymerase). Some viruses have their own DNA polymerase and don't need to use the cell's but stillneed all the building blocks. Usually at the same time as DNA replication occurs, the cell's RNA polymerase is making mRNA with the viruses DNA. The mRNA makes it way back to the cytosol where is it translated into viral proteins (capsid, enzymes, virus receptors etc. Some of these are incorporated into the cell's membrane and others are free in the cytosol. The capsid proteins assemble around viral DNA to make infective virions and depending on the virus, the virus either buds out of the cell or the cell is detroyed and lyses to release infective virions. This is the cycle for eukaryotic viruses, the cycle for prokaryotic viruses (phages) is a bit different.

Retroviruses are RNA viruses equipped with an RNA dependant DNA polymerase (or reverse transcriptase) which converts the viral RNA into DNA in the cytosol of the cell. The DNA then enters the nucleus of the cell and becomes incorporated into the host cell's DNA by a process called integration. The virus can stay latent for years in this manner, but can also produce infective virions from the template, and also there's no telling where in ends up, so viruses that integrate like HIV can actually cause cells to go wacko and become cancers. This is the case with HIV induced lymphoma.  (+ info)

What is the difference between the DNA virus and the HIV retrovirus?


Not quite sure but i would think if it is a virus that affects DNA when the DNA is replicated the virus would be a part of the makeup of you cells and produce more of the viral cells  (+ info)

Is the H1N5 (Bird Flu) virus still around, and crossed DNA with the H1N1?


As some know the new H1N1 virus is a mixed/crossed DNA with The bird flu (H1N5) and the regular influenza. But that means the two viruses must of "met up" with each other to cross their DNA. From my knowledge, the H1N5 is not around anymore, and if it was around it is extremely contagious. This seems sketchy! I mean, it almost seems like Laboratory genetically modified. Im not the kind of guy that believes in that stuff, but i feel like it could be very possible?
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The new strain of 2009 H1N1 has some genes from avian influenza viruses present in North America. North American avian influenza are H7N3,H7N2, and H5N2.

The highly pathogenic H5N1 avian flu strain is still around, but so far not believed to be in North America, and did not contribute any genes to the 2009 H1N1 strain.

Just a note, the 2009 H1N1 strain probably derives from an earlier recombinant strain that has been circulating in swine since the 1990's. This earlier strain contained genes from human, avian, and swine strains native to North America. Somewhere along the line, another recombination occurred, and genes from Eurasian swine were added, resulting in the 2009 H1N1 strain.  (+ info)

What type of virus has an icosahedral nulcleocapsid and large double stranded DNA genome?


Its part odf a case study that was done in a Federal Corrections Institution in Lexington, Kentucky.
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Hi it's Thermophilic Archael Virus (Hepatitis B Virus)... if you need more explanations and details pls contact me...  (+ info)

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