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Pandoravirus yedoma is a virus that originated 48,500 years ago which was discovered in the deep Siberian permafrost in 2022. The scientists also revived 13 new pathogens and characterized them as 'zombie viruses'. It has been shown to infect amoeba cells (particularly A. castellanii) killing them in the process. [1] [2]
Alphapithovirus sibericum was discovered in a 30,000-year-old sample of Siberian permafrost by Chantal Abergel and Jean-Michel Claverie of Aix-Marseille University. [2] [15] The virus was discovered buried 30 m (100 ft) below the surface of a late Pleistocene sediment.
Permafrost temperature profile. Permafrost occupies the middle zone, with the active layer above it, while geothermal activity keeps the lowest layer above freezing. The vertical 0 °C or 32 °F line denotes the average annual temperature that is crucial for the upper and lower limit of the permafrost zone, while the red lines represent seasonal temperature changes and seasonal temperature ...
Zombie virus may refer to: Zombie (computing), a computer connected to the Internet that has been compromised by a hacker, computer virus or trojan horse program;
Mollivirus sibericum is a spherical DNA virus with a diameter of 500–600 nanometers (0.5–0.6 μm). [1] [2] Mollivirus sibericum is the fourth ancient virus that scientists have found frozen in permafrost since 2003. [3] It has a sister taxon, Mollivirus kamchatka. [4]
Also in 2014, two ~30,000 years old giant virus species, Pithovirus sibericum [10] and Mollivirus sibericum, [11] were discovered in the Siberian permafrost and they retained their infectivity. Like the other giant viruses with large genomes , they are larger in size than most bacteria and pose no risk to humans, as they infect other ...
Pandoravirus is a proposed genus of giant virus, first discovered in 2013. [5] It is the third largest in physical size of any known viral genus, behind Pithovirus and Megaklothovirus. [6]
Yedoma / ˈ j ɛ d ə m ə / (Russian: е́дома) is an organic-rich (about 2% carbon by mass) Pleistocene-age permafrost with ice content of 50–90% by volume. [1] Yedoma are abundant in the cold regions of eastern Siberia , such as northern Yakutia , as well as in Alaska and the Yukon .