As pointed out here, my grammar in that sentence was atrocious.

Hints of Life’s Start Found in a Giant Virus



At more than 1.5 micrometers long, pithovirus is the largest virus ever discovered — larger even than some bacteria. Many of its 500 genes are unrelated to any other genes on this planet.


By: Carrie Arnold

July 10, 2014


Chantal Abergel and Jean-Michel Claverie were used to finding strange viruses. The married virologists at Aix-Marseille University had made a career of it. But pithovirus, which they discovered in 2013 in a sample of Siberian dirt that had been frozen for more than 30,000 years, was more bizarre than the pair had ever imagined a virus could be.

In the world of microbes, viruses are small — notoriously small. Pithovirus is not. The largest virus ever discovered, pithovirus is more massive than even some bacteria. Most viruses copy themselves by hijacking their host’s molecular machinery. But pithovirus is much more independent, possessing some replication machinery of its own. Pithovirus’s relatively large number of genes also differentiated it from other viruses, which are often genetically simple — the smallest have a mere four genes. Pithovirus has around 500 genes, and some are used for complex tasks such as making proteins and repairing and replicating DNA. “It was so different from what we were taught about viruses,” Abergel said.

The stunning find, first revealed in March, isn’t just expanding scientists’ notions of what a virus can be. It is reframing the debate over the origins of life...

...Abergel and Claverie, however, believe that viruses emerged from cells. While Forterre and collaborators contend that the unique genes found in giant viruses are a sign that they evolved before modern cells, Abergel and Claverie have a different explanation: Giant viruses may have evolved from a line of cells that is now extinct. According to this theory, the ancestor of giant viruses lost its ability to replicate as an independent life form and was forced to rely on other cells to copy its DNA. Pieces of these ancient cells’ genes survive in modern mimivirus, pandoravirus, and pithovirus, which would explain the unique genes found in this group. “Life didn’t have one single ancestor,” Claverie said. “There were a lot of cell-like organisms that were all competing, and there was one winner, which formed the basis for life as we know it today.”

From this article over at Quanta Magazine's website:

Quote

Hints of Life’s Start Found in a Giant Virus



At more than 1.5 micrometers long, pithovirus is the largest virus ever discovered — larger even than some bacteria. Many of its 500 genes are unrelated to any other genes on this planet.


By: Carrie Arnold

July 10, 2014


Chantal Abergel and Jean-Michel Claverie were used to finding strange viruses. The married virologists at Aix-Marseille University had made a career of it. But pithovirus, which they discovered in 2013 in a sample of Siberian dirt that had been frozen for more than 30,000 years, was more bizarre than the pair had ever imagined a virus could be.

In the world of microbes, viruses are small — notoriously small. Pithovirus is not. The largest virus ever discovered, pithovirus is more massive than even some bacteria. Most viruses copy themselves by hijacking their host’s molecular machinery. But pithovirus is much more independent, possessing some replication machinery of its own. Pithovirus’s relatively large number of genes also differentiated it from other viruses, which are often genetically simple — the smallest have a mere four genes. Pithovirus has around 500 genes, and some are used for complex tasks such as making proteins and repairing and replicating DNA. “It was so different from what we were taught about viruses,” Abergel said.

The stunning find, first revealed in March, isn’t just expanding scientists’ notions of what a virus can be. It is reframing the debate over the origins of life...

What I found particularly fascinating was this paragraph:

Quote

...Abergel and Claverie, however, believe that viruses emerged from cells. While Forterre and collaborators contend that the unique genes found in giant viruses are a sign that they evolved before modern cells, Abergel and Claverie have a different explanation: Giant viruses may have evolved from a line of cells that is now extinct. According to this theory, the ancestor of giant viruses lost its ability to replicate as an independent life form and was forced to rely on other cells to copy its DNA. Pieces of these ancient cells’ genes survive in modern mimivirus, pandoravirus, and pithovirus, which would explain the unique genes found in this group. “Life didn’t have one single ancestor,” Claverie said. “There were a lot of cell-like organisms that were all competing, and there was one winner, which formed the basis for life as we know it today.”

Read the full article (and see the photos) here.

Sep 29, ’10 8:30 AM   Author   Horace Dediu  
Unix's Revenge

With QNX now firmly roadmapped at RIM and Android spreading among vendors like a virus, I wanted to point out that these operating systems share one ancestor: Unix.

A technical triumph

Technically Linux, which underlies Android, among others, is walled off from Unix from an IP point of view, but the philosophical and architectural lineage goes back to 1969′s Unix. It was an amazingly well thought-out operating system which has stood the test of time mostly due to its modular architecture. It was not always clear that Unix would make it this far, and in many ways it was written off.

There is some poetic justice in its comeback. Unix could have become a default for desktop computers. When Windows emerged from the shadow of DOS, Microsoft had the option to base NT on a flavor of Unix. But Bill Gates, no doubt motivated by license fee considerations, hired a group of developers from Digital Equipment Corporation and many elements of the NT design reflect earlier DEC experience with VMS and RSX-11. Microsoft went with that new architecture rather than Unix and that code lives on even in the current Windows 7.