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Science & Technology

World's biggest virus found in Chile

By T.K. Randall
October 12, 2011 · Comment icon 26 comments

Image Credit: sxc.hu
Megavirus chilensis contains more than 1000 genes and is the most complex virus ever discovered.
The virus was found in a sample of sea water taken off the coast of Chile, the host organism is currently unknown. The new megavirus is substantially larger than the previously recognised record holder, Mimivirus.
Viruses differ from bacteria in that they are usually far smaller and cannot reproduce on their own, needing to penetrate a host cell in which to replicate. But M. chilensis is such a giant that it surpasses many bacteria in size and is genetically the most complex DNA virus ever described.


Source: Telegraph | Comments (26)




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Recent comments on this story
Comment icon #17 Posted by iamdee1 13 years ago
I wish the idiot could have left it in the ocean were it belonged instead of bringing it inland. That is the best statement ever.
Comment icon #18 Posted by 13 years ago
MimiVirus (the next smallest isolated virus) uses amoebas as a host and so presents absolutely no threat to humans. I would image this virus would be the same. Its interesting to speculate that such mega viruses may actually be the source of eucaryotic cells nucleus(the cell type of advanced animals as opposed to the nucleau free procaryotic cells) . There is evidence that these super massive viruses are the oldest forms of life on the planet. Br Cornelius
Comment icon #19 Posted by ShadowSot 13 years ago
That is the best statement ever. Except it's located just of shore in fairly shallow water. So a decent storm or wave action would bring it to land. Much better to be able to study it and know it's affects and weakness should it infect a water or food supply and prove to be toxic.
Comment icon #20 Posted by iamdee1 13 years ago
Except it's located just of shore in fairly shallow water. So a decent storm or wave action would bring it to land. Much better to be able to study it and know it's affects and weakness should it infect a water or food supply and prove to be toxic. Thanks ShadowSot, never would have thought of that either.
Comment icon #21 Posted by ShadowSot 13 years ago
Thanks ShadowSot, never would have thought of that either. I'll be glad to keep rephrasing it until th idea catches on. (Frustration not aimed at you, IamDee1, just in general.)
Comment icon #22 Posted by iamdee1 13 years ago
I'll be glad to keep rephrasing it until th idea catches on. (Frustration not aimed at you, IamDee1, just in general.) Must have forgotten what I read but do appriciate you kindergartening it down for me. lol
Comment icon #23 Posted by ShadowSot 13 years ago
Must have forgotten what I read but do appriciate you kindergartening it down for me. lol I didn't think of that as kindergartening it down, just I made a similar reply to Alienated Being earlier. There's also a habit of posters on this forum who just skip over posts in a thread without reading. Don't think your guilty of it, though Skookum might be.
Comment icon #24 Posted by iamdee1 13 years ago
I read every post, always afraid of making myself look stupid by saying something that has already been explained. I did see where you said it was in low water but didn't see anything about possibly working itself into the food and water supply. Once you said that, it was like, "Wow", I never thought of that before, it probably does need tested. That is one of the reasons I love this sight. We all look at things differently and there is a lot to be learned from each other. Thanks again ShadowSot.
Comment icon #25 Posted by KnockoutMouse 13 years ago
It's a Pseudomonas super strain; essentially a rapidly dedifferentiating replicon, hence the incredible complexity and diversity. Unsurprisingly, it's also lab manufactured, bearing all the same hallmarks found in human Echovirus and Pseudomonas fluorescens. It was only found in sea water due to the naturally occurring heparin deposits at sub freezing temperatures.
Comment icon #26 Posted by Nuke_em 13 years ago
Right and why would humanity need that? If there would be any posible zombie scenario, well there we have it.. Somewhere in middle east..." Look they found a new virus, strong one, well we need it for our bio-weps.."


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