首页> 外文期刊>Astrobiology >Iron Meteorites Can Support the Growth of Acidophilic Chemolithoautotrophic Microorganisms
【24h】

Iron Meteorites Can Support the Growth of Acidophilic Chemolithoautotrophic Microorganisms

机译:铁陨石可以支持嗜酸性的化学自养微生物的生长。

获取原文
获取原文并翻译 | 示例
           

摘要

Chemolithoautotrophy based on reduced inorganic minerals is considered a primitive energy transduction system. Evidence that a high number of meteorites crashed into the planet during the early period of Earth history led us to test the ability of iron-oxidizing bacteria to grow using iron meteorites as their source of energy. Here we report the growth of two acidophilic iron-oxidizing bacteria, Leptospirillum ferrooxidans and Acidithiobacillus ferrooxidans, on a piece of the Toluca meteorite as the only source of energy. The alteration of the surface of the exposed piece of meteorite, the solubilization of its oxidized metal constituents, mainly ferric iron, and the formation of goethite precipitates all clearly indicate that iron-meteorite-based chemolithotrophic metabolism is viable.
机译:基于减少的无机矿物质的化石自养被认为是原始的能量转导系统。有证据表明,在地球历史的早期,大量的陨石坠入了行星,这使我们测试了使用铁陨石作为能量来源的氧化铁细菌生长的能力。在这里,我们报告了在一块Toluca陨石上作为两种唯一能量来源的两种嗜酸性铁氧化细菌,钩端螺旋体铁氧化螺旋体和氧化铁硫杆菌。暴露的陨石表面的变化,其氧化的金属成分(主要是三价铁)的增溶以及针铁矿沉淀物的形成均清楚地表明基于铁-陨石的化石营养代谢是可行的。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号