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Life 2014, 4(2), 250-266; doi:10.3390/life4020250

Host-Microbe Interactions in Microgravity: Assessment and Implications

1,* , 2
 and 1
Received: 8 February 2014 / Revised: 14 May 2014 / Accepted: 20 May 2014 / Published: 26 May 2014
(This article belongs to the Special Issue Response of Terrestrial Life to Space Conditions)
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Abstract: Spaceflight imposes several unique stresses on biological life that together can have a profound impact on the homeostasis between eukaryotes and their associated microbes. One such stressor, microgravity, has been shown to alter host-microbe interactions at the genetic and physiological levels. Recent sequencing of the microbiomes associated with plants and animals have shown that these interactions are essential for maintaining host health through the regulation of several metabolic and immune responses. Disruptions to various environmental parameters or community characteristics may impact the resiliency of the microbiome, thus potentially driving host-microbe associations towards disease. In this review, we discuss our current understanding of host-microbe interactions in microgravity and assess the impact of this unique environmental stress on the normal physiological and genetic responses of both pathogenic and mutualistic associations. As humans move beyond our biosphere and undergo longer duration space flights, it will be essential to more fully understand microbial fitness in microgravity conditions in order to maintain a healthy homeostasis between humans, plants and their respective microbiomes.
Keywords: host-microbe interactions; microgravity; microbiome; space flight host-microbe interactions; microgravity; microbiome; space flight
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Foster, J.S.; Wheeler, R.M.; Pamphile, R. Host-Microbe Interactions in Microgravity: Assessment and Implications. Life 2014, 4, 250-266.

AMA Style

Foster JS, Wheeler RM, Pamphile R. Host-Microbe Interactions in Microgravity: Assessment and Implications. Life. 2014; 4(2):250-266.

Chicago/Turabian Style

Foster, Jamie S.; Wheeler, Raymond M.; Pamphile, Regine. 2014. "Host-Microbe Interactions in Microgravity: Assessment and Implications." Life 4, no. 2: 250-266.

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