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en.wikipedia.org/wiki/Mimivirus

The mimivirus is the fourth-largest virus, preceded by the recently discovered Megavirus chilensis, Pandoravirus and Pithovirus.Mimivirus has a capsid diameter of 400 nm.Protein filaments measuring 100 nm project from the surface of the capsid, bringing the total length of the virus up to 600 nm.

en.wikipedia.org/wiki/Megavirus

The Megavirus chilensis genome is a linear, double-stranded molecule of DNA with 1,259,197 base pairs in length. This makes it the second largest viral genome deciphered so far (after Pandoraviridae), outstripping the next-largest virus genome of Mamavirus by 67.5 kb. Prior validation of its transcriptome, it is predicted to encode 1,120 ...

www.smithsonianmag.com/science-nature/worlds-largest-virus-was-just...

The World’s Largest Virus Was Just Resurrected From 34,000-Year-Old Permafrost It’s not a threat to humans, but does show that ancient viruses can persist for millennia and remain a potential ...

www.livescience.com/38276-largest-viruses-ever-revealed-pandoravirus.html

Ten years ago, researchers accidentally discovered mimivirus, what until now was the biggest, most complex virus known. Mimivirus — a name derived from "mimicking microbes," chosen because the ...

www.quora.com/Which-is-the-largest-virus

Ten years ago, researchers accidentally discovered mimivirus, what until now was the biggest, most complex virus known. Mimivirus — a name derived from "mimicking microbes," chosen because the viruses were nearly the size of some bacteria — and it...

www.quora.com/What-are-the-names-of-the-smallest-and-largest-viruses-and-bacteria

Porcine circovirus (PCV) is the smallest virus with only 17nm in diameter. But synthetic biology can go even farther creating a virus with 12nm in diameter The world's smallest virus Giant viruses are so big, that they’re visible with light micros...

www.giantvirus.org/top.html

Legend: The largest known viral genomes. For each virus family, the largest representative is highlighted in green.Probably inflated counts for predicted protein-coding genes? (less than 700 nt per ORF in average) are indicated in red.Fragmented genomes are highlighted in yellow. ? Nucleo-cytoplasmic Large DNA viruses? were originally defined as including Poxviridae, Iridoviridae, Asfarviridae ...

www.britannica.com/science/virus/Size-and-shape

The protein and nucleic acid constituents have properties unique for each class of virus; when assembled, they determine the size and shape of the virus for that specific class. The genomes of Mimiviruses and Pandoraviruses, which are some of the largest known viruses, range from 1 to 2.5 Mb (1 Mb = 1,000,000 base pairs of DNA).

www.nationalgeographic.com/science/2019/04/worlds-second-biggest-ebola...

Editor's Note: This story has been updated with the most recent statistics. In this outbreak, the virus appears to be infecting an unusually high number of children and killing a large percentage ...

www.themarysue.com/megavirus-largest

It’s huge, it’s hairy, and it reproduces by infecting other bacteria. It’s Megavirus chilensis, and it has been confirmed as the world’s largest virus. Discovered off the coast of Las ...