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模拟空间和火星条件下南极黑色真菌和隐花植物群落的抗性。

Resistance of Antarctic black fungi and cryptoendolithic communities to simulated space and Martian conditions.

机构信息

DECOS, Università degli Studi della Tuscia, Largo dell'Università, Viterbo, Italy.

出版信息

Stud Mycol. 2008;61:99-109. doi: 10.3114/sim.2008.61.10.

DOI:10.3114/sim.2008.61.10
PMID:19287532
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2610303/
Abstract

Dried colonies of the Antarctic rock-inhabiting meristematic fungi Cryomyces antarcticus CCFEE 515, CCFEE 534 and C. minteri CCFEE 5187, as well as fragments of rocks colonized by the Antarctic cryptoendolithic community, were exposed to a set of ground-based experiment verification tests (EVTs) at the German Aerospace Center (DLR, Köln, Germany). These were carried out to test the tolerance of these organisms in view of their possible exposure to space conditions outside of the International Space Station (ISS). Tests included single or combined simulated space and Martian conditions. Responses were analysed both by cultural and microscopic methods. Thereby, colony formation capacities were measured and the cellular viability was assessed using live/dead dyes FUN 1 and SYTOX Green. The results clearly suggest a general good resistance of all the samples investigated. C. minteri CCFEE 5187, C. antarcticus CCFEE 515 and colonized rocks were selected as suitable candidates to withstand space flight and long-term permanence in space on the ISS in the framework of the LIchens and Fungi Experiments (LIFE programme, European Space Agency).

摘要

干燥的南极岩生分生真菌 Cryomyces antarcticus CCFEE 515、CCFEE 534 和 C. minteri CCFEE 5187 的菌落，以及被南极隐生群落定殖的岩石碎片，被暴露在德国航空航天中心（DLR，德国科隆）的一组地面实验验证测试（EVT）中。这些测试是为了检验这些生物的耐受性，因为它们可能会暴露在国际空间站（ISS）之外的太空环境中。测试包括单一或组合的模拟太空和火星条件。通过文化和微观方法分析了反应。从而测量了菌落形成能力，并使用活/死染料 FUN 1 和 SYTOX Green 评估了细胞活力。结果清楚地表明，所有被调查的样本都具有良好的总体抗性。C. minteri CCFEE 5187、C. antarcticus CCFEE 515 和定殖岩石被选为适合的候选物，以承受太空飞行和在国际空间站（LIFE 计划，欧洲航天局）上的长期空间存在。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/423b4a9e2f12/99fig11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/b24914191314/99fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/036cb8c0fd4a/99fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/340a023b143e/99fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/29e80cbdbec5/99fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/36f01377d8e3/99fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/b12c716197a8/99fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/7ff6399aef4a/99fig7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/ff25ccf05be4/99fig8a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/1fd88fd210ac/99fig9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/0314cf1c21c4/99fig10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/423b4a9e2f12/99fig11.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/b24914191314/99fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/036cb8c0fd4a/99fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/340a023b143e/99fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/29e80cbdbec5/99fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/36f01377d8e3/99fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/b12c716197a8/99fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/7ff6399aef4a/99fig7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/ff25ccf05be4/99fig8a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/1fd88fd210ac/99fig9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/0314cf1c21c4/99fig10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a4d2/2610303/423b4a9e2f12/99fig11.jpg

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