生命的起源与高压生命科学

doi:10.3969/j.issn.1000-1565.2013.02.018

摘要/Abstract

摘要： 自发现海底热泉以来,科学家对深海热泉的地质结构、化学成分、生物群落、生物代谢过程等进行了深入的研究.海底热液周围呈现了和地球表面完全不同的生态环境,在暗无阳光的深海区域,嗜热细菌完全依靠化学能量生存繁殖,而热液中其他生物则以嗜热细菌为食,形成了繁茂独特的生态系统.和地表常压环境相比,在高压热液条件下,更容易聚合生成有机大分子,且有机大分子更稳定、化学反应活性更强,形成更多样化的生命体.越来越多的科学家推测原始的生命大分子可能起源于海底热液系统.本文在综述了有关“超高压热液生命”研究文献的基础上,提出采用高压生物系统,研究在高压状态下生物发育生长的适宜条件,探索生物可能出现的新化学反应和新生物性状,进一步揭示新的生命进化规律.

关键词: 热液, 海底热泉, 生命起源, 高压生命科学

中图分类号:

韦志仁. 生命的起源与高压生命科学[J]. 河北大学学报(自然科学版), 2013, 33(2): 210-217.

WEI Zhiren. Origin of life and high-pressure life sciences[J]. Journal of Hebei University (Natural Science Edition), 2013, 33(2): 210-217.

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