培养和可视化Thermoproteota类的甲原体
Anthony J Kohtz1, Nikolai Petrosian2, Viola Krukenberg1
1Department of Chemistry and Biochemistry, Center for Biofilm Engineering, and Thermal Biology Institute, Montana State University, Bozeman, MT, USA.
Nature
|July 24, 2024
概括
科学家们发现了一种新的古生物, 这一发现扩大了我们对不同环境中的甲生产及其在全球碳循环中的作用的理解.
科学领域:
- 微生物学
- 生物地质化学
- 气候科学
背景情况:
- 甲是一个关键的气候活性气体,了解其来源/沉积点至关重要.
- 在此之前,人们认为甲基生成仅限于Euryarchaeota archaea.
- 新基因的发现表明其他古老的基因也可能产生甲.
研究的目的:
- 调查欧亚古外的古物系在甲基生成中的作用.
- 来自陆地温泉的新型甲生产古生物的培养和特征.
主要方法:
- 在温泉中培养Candidatus Methanosuratincola verstraetei.
- 增长实验,活动测定和稳定同位素追踪.
- 基因组,转录和冷电子断层分析.
主要成果:
- 已经成功培养了Ca. 这种植物属于甲甲类.
- 作为其生长策略,证明了甲基降解变性甲基生成.
- 观察到包括细胞间桥梁在内的独特细胞结构.
结论:
- 这样就好了. 扩大已知的甲生产古生物的多样性.
- 这种生物在无氧息地中发挥着潜在的重要作用.
- 这些发现挑战了以前对甲基生成的分类学限制.
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