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Colder Than Ice:

RATE THIS! +10
Posted in Science on 11th Oct, 2013 01:18 AM by AlexMuller

Most microbial researchers grow their microbes in petri-dishes to study how they grow and how they respond to damaging conditions. But researchers in Louisiana State University’s Department of Biological Sciences are doing something almost unheard of: studying microbes under freezing conditions to understand how organisms could survive for hundreds of thousands of years in deep Antarctic permafrost, or perhaps even buried in ice on Mars.

 
“I could take you down the hallway into a common room we have, full of freezers,” said Brent Christner, an associate professor in LSU’s Department of Biological Sciences and Antarctic microbe explorer extraordinaire, leaning excitedly over his desk as he shows me microscope images of cells encased in ice. “And in those freezers are cells and tissues. We put them there, because that is actually a way to preserve them.”
 
Christner’s lab keeps thousands of different strains of microbes stored at -80 degrees Celsius. These microbes, he explains, are actually quite happily revived if taken out of the freezer and placed in nutrient-rich media. “But what if those freezers could run for a million years?” Christner asked. “We’d actually expect a fraction of them to die off every year, because they are made up of molecules that, even if frozen, are subject to decay.”


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Comments

Author: Guest
Posted: 2013-10-25
+0
VKdsIn Appreciate you sharing, great article.Much thanks again. Really Cool. Reply
Author: Guest
Posted: 2013-11-22
+0
Dec15 Just how next, spotting our team are cmopulsory to the hypothesis that women and men want in reasonably frigid irrigate, precisely how is it they implore accordingly well? The area swiftly on top of be supposed to emphatically live entered by a plank propped from the threshold, all along which the intruder ought to foot it gently, clutching for aid to sprays of poison oak, the correct design of the nation. Reply


 

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