Biological Sciences in Space
Online ISSN : 1349-967X
Print ISSN : 0914-9201
Assessing Panspermia Hypothesis by Microorganisms Collected from The High Altitude Atmosphere
Yinjie YangShin-ichi YokoboriAkihiko Yamagishi
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2009 Volume 23 Issue 3 Pages 151-163

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Abstract

Microbiology at the high altitude atmosphere is important for assessing the chances and limits of microbial transfer from the earth to extraterrestrial bodies. Among the microorganisms isolated from the high-atmospheric samples, spore formers and vegetative Deinococci were highly resistant against harsh environment at high altitude. From limited knowledge available to date, it is suggested that terrestrial microorganisms may have had chances to be ejected and transferred to outer space. Survival of these organisms during their space travel and proliferation on other planets might be also feasible. Directed Panspermia from Earth to extraterrestrial bodies is discussed on the basis of findings reported in literatures.

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© 2009 by Japanese Society for Biological Sciences in Space
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