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Extremophiles: Link between earth and astrobiology

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Author(s): Stojanović Dejan B. | Fojkar Oliver | Drobac-Čik Aleksandra V. | Čajko Kristina O. | Dulić Tamara I. | Svirčev Zorica B.

Journal: Zbornik Matice Srpske za Prirodne Nauke
ISSN 0352-4906

Volume: 2008;
Issue: 114;
Start page: 5;
Date: 2008;
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Keywords: astrobiology | extremophiles | cyanobacteria | halophiles

ABSTRACT
Astrobiology studies the origin, evolution, distribution and future of life in the universe. The most promising worlds in Solar system, beyond Earth, which may harbor life are Mars and Jovian moon Europa. Extremophiles are organisms that thrive on the edge of temperature, hypersalinity, pH extremes, pressure, dryness and so on. In this paper, some extremophile cyanobacteria have been discussed as possible life forms in a scale of astrobiology. Samples were taken from solenetz and solonchak types of soil from the Vojvodina region. The main idea in this paper lies in the fact that high percentage of salt found in solonchak and solonetz gives the possibility of comparison these types of soil with 'soil' on Mars, which is also rich in salt.
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