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EndolithsMicrobes Living within Rocks part of Extreme Environments:Endoliths
By Monica Bruckner, Montana State University What Are Endoliths? Endoliths are organisms that live inside rocks or in pores between mineral grains. These creatures are thought to have been found in a large range ...

Microbial Life in Extreme Environments part of Extreme Environments
The study of extremophiles challenges our concept of the limits of life, informs our quest for the comprehensive tree of life, and helps us to understand how evolution has taken place. About Microbial Extremes ...

Microbial Life in Acidic Environments part of Extreme Environments:Acidic
Created by Mindy Richlen, Marine Biological Laboratory Microorganisms that are able to develop under extreme conditions have recently attracted considerable attention because of their peculiar physiology and ...

Microbial Life in Alkaline Environments part of Extreme Environments:Alkaline
Created by Sarah Bordenstein, Marine Biological Laboratory There are no precise definitions of what characterizes an alkaliphilic or alkalitolerant organism. Several microorganisms exhibit more than one pH optimum ...

Microbial Life in Environments Altered by Humans part of Extreme Environments:Altered by Humans
Created by Julian Deiss Environments Altered by Humans are ones that seem inhospitable to most life. Toxic environments are typically regarded as ones capable of causing injury or death through exposure to ...

Microbial Life in Very Cold Environments part of Extreme Environments:Extremely Cold
Created by: Scott N. Montross, Montana State University "Psychrophiles are defined as organisms having an optimal temperature for growth at about 15ºC or lower, a maximal temperature for growth at about 20º ...

Microbial Life in Hypersaline Environments part of Extreme Environments:Hypersaline
Created by Ashlee Allred and Bonnie K. Baxter, Ph.D., Westminster College, Salt Lake City, UT At salinities greatly exceeding 1.5 M, prokaryotes predominate: The moderately halophilic and haloversatile bacteria at ...

Microbial Life at High Radiation Levels part of Extreme Environments:Radiation
Created by: Scott N. Montross, Montana State University "Bacteria of the genus Deinococcus exhibit an extraordinary ability to withstand the lethal and mutagenic effects of DNA damaging agents-particularly ...

Microbial Life Under Pressure part of Extreme Environments:Under Pressure
Created by: Scott N. Montross, Montana State University Pressure has a substantial effect on the physiology and biochemistry of living cells. Microorganisms inhabiting the deep-sea and subsurface of Earth have the ...

Microbial Life Without Oxygen part of Extreme Environments:Without Oxygen
By Julian Deiss Environments Without Oxygen can be found thought the Earth from places as unglamorous as a waste management plant to deep hydrothermal vents on the ocean floor. The commonality between these ...

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