May Antarctic plants grow on Martian and Lunar soil simulants under terrestrial conditions?

IF 1.1 4区 综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES
Anais da Academia Brasileira de Ciencias Pub Date : 2024-12-13 eCollection Date: 2024-01-01 DOI:10.1590/0001-3765202420240571
Cesar R L Amaral, Dafne Anjos, Fábio L V Bones, Antonio Carlos DE Freitas, Maithê G P Magalhães, Lucas M Moreira, Rodrigo Goldenberg-Barbosa, Anna Donato
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引用次数: 0

Abstract

Extremophile organisms have been largely studied in Astrobiology. Among them, two antarctic plants emerge as good candidates to become colonizers of other celestial bodies, such as Mars and the Moon. The present research aimed to evaluate survival and growing capacity of Sanionia uncinata and Colobanthus quitensis on Martian (MGS-1) and Lunar (LMS-1) regolith simulants, under terrestrial conditions. The survival responses of both species on the simulators and the original sampling site of Antarctic soil were observed during 15 days, in laboratory conditions at 'Comandante Ferraz' Station. Based on physiological parameters changes under the three soil conditions tested, our results suggest that Martian soil can be too harsh for plant growth, showing expressive decay, especially for C. quitensis. While lunar soil might provide more favorable conditions, with less observed changes, similarly to how they would in Antarctic soil from their natural habitat. This preliminary study provides resources and fosters knowledge about the possibility of these Antarctic species to survive in extraterrestrial environments, starting with soil parameters; and discusses the importance and use of Antarctic plants in astrobiology.

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来源期刊
Anais da Academia Brasileira de Ciencias
Anais da Academia Brasileira de Ciencias 综合性期刊-综合性期刊
CiteScore
2.20
自引率
0.00%
发文量
347
审稿时长
1 months
期刊介绍: The Brazilian Academy of Sciences (BAS) publishes its journal, Annals of the Brazilian Academy of Sciences (AABC, in its Brazilianportuguese acronym ), every 3 months, being the oldest journal in Brazil with conkinuous distribukion, daking back to 1929. This scienkihic journal aims to publish the advances in scienkihic research from both Brazilian and foreigner scienkists, who work in the main research centers in the whole world, always looking for excellence. Essenkially a mulkidisciplinary journal, the AABC cover, with both reviews and original researches, the diverse areas represented in the Academy, such as Biology, Physics, Biomedical Sciences, Chemistry, Agrarian Sciences, Engineering, Mathemakics, Social, Health and Earth Sciences.
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