Survival and Transfer of Microorganisms beyond the Earth: To What Extent are Microorganisms Tolerant to External Influences?

IF 0.6 4区 物理与天体物理 Q4 ASTRONOMY & ASTROPHYSICS Solar System Research Pub Date : 2024-11-21 DOI:10.1134/S0038094624601087
V. S. Cheptsov
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Abstract

The study of microorganism tolerance to extreme influences is an integral part of astrobiology. Despite the large number of works in this field, the limits of maintaining viability and activity remain uncertain, and they are probably much wider than the currently known boundaries, especially taking into account the adaptive capabilities of microorganisms. In the vast majority of astrobiological experiments, a very limited set of organisms and the impact of a small number of factors are studied. It seems natural that research gradually develops from modeling simple systems (pure cultures and single-factor impacts) to more complex ones, closer to hypothetical extraterrestrial ecosystems. Nevertheless, studies of the most complex systems (microbial communities under the complex action of extraterrestrial conditions in laboratory and space experiments) are still extremely few in number. At the same time, some features of multifactor impacts and the response of complex microbial systems to such impacts are often given little attention. This paper attempts to summarize some data on the tolerance of microorganisms to extreme factors of extraterrestrial space, as well as to outline a number of insufficiently studied promising fields of astrobiological research.

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微生物在地球之外的生存和转移:微生物在多大程度上能够承受外界影响?
研究微生物对极端影响的耐受性是天体生物学的一个组成部分。尽管在这一领域开展了大量工作,但维持生命力和活动的极限仍然不确定,而且很可能比目前已知的界限要宽得多,特别是考虑到微生物的适应能力。在绝大多数天体生物学实验中,研究的是非常有限的一组生物和少数因素的影响。研究似乎很自然地从简单系统(纯培养和单因素影响)建模逐渐发展到更复杂的系统,更接近假想的地外生态系统。然而,对最复杂系统(实验室和太空实验中复杂地外条件作用下的微生物群落)的研究仍然极少。同时,多因素撞击的一些特点以及复杂微生物系统对这种撞击的反应往往很少受到关注。本文试图总结微生物对地外空间极端因素的耐受性方面的一些数据,并概述天体生物学研究中一些研究不足的有前途的领域。
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来源期刊
Solar System Research
Solar System Research 地学天文-天文与天体物理
CiteScore
1.60
自引率
33.30%
发文量
32
审稿时长
6-12 weeks
期刊介绍: Solar System Research publishes articles concerning the bodies of the Solar System, i.e., planets and their satellites, asteroids, comets, meteoric substances, and cosmic dust. The articles consider physics, dynamics and composition of these bodies, and techniques of their exploration. The journal addresses the problems of comparative planetology, physics of the planetary atmospheres and interiors, cosmochemistry, as well as planetary plasma environment and heliosphere, specifically those related to solar-planetary interactions. Attention is paid to studies of exoplanets and complex problems of the origin and evolution of planetary systems including the solar system, based on the results of astronomical observations, laboratory studies of meteorites, relevant theoretical approaches and mathematical modeling. Alongside with the original results of experimental and theoretical studies, the journal publishes scientific reviews in the field of planetary exploration, and notes on observational results.
期刊最新文献
Origin of Life on Earth and the Space Project Luna-28 Search for Extraterrestrial Life: the “Goldilocks Zone” vs. the “Snow Maiden Zone” Survival and Transfer of Microorganisms beyond the Earth: To What Extent are Microorganisms Tolerant to External Influences? Extra-Atmospheric Astronomy and the New James Webb Space Telescope Migration of Celestial Bodies in the Solar System and in Some Exoplanetary Systems
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