一个生物膜通道来源于碳酸盐微生物质中的形微结构
Yadira Ibarra1, Pedro J Marenco2, Jakob P Centlivre3
1School of the Environment, San Francisco State University, San Francisco, California, USA.
Geobiology
|October 18, 2024
概括
古代微生物中的形微观结构很可能是微生物,而不是海绵化石. 这一发现表明,早期的动物起源可能比以前想象的要年轻,这影响了化石记录.
科学领域:
- 古生物学的古生物学
- 微生物学 微生物学
- 地质地质地质地质地质地
背景情况:
- 古代碳酸盐微质中的形微结构被解释为非状酸.
- 这种解释表明,动物和海绵的早期起源可以追溯到8.9亿年前.
- 然而,这些微观结构的海绵起源仍然存在争议,它们的形成是神秘的.
研究的目的:
- 为了研究古代微生物中发现的虫状微观结构的起源.
- 为了与现代微生物生物膜结构比较化石微生物质的纹理.
- 在生命早期和动物起源的背景下重新评估虫状微观结构的解释.
主要方法:
- 与现代微生物生物膜通道网络相比,特异保存的上三叠纪微生物质质的比较.
- 对化石和现代管状织物尺寸和几何学的分析.
- 在超和海水中早期生物膜化的一种taphonomic模型的开发.
主要成果:
- 类似于形微观结构的尺寸和几何形状的解剖道网络是由现代没有海绵的微生物生物膜产生的.
- 这表明虫状微观结构不是由海绵单独形成的,而且很可能起源于微生物.
- 通过早期的生物膜化,提出了一种对微生物微妙纹理的保存的语音模型.
结论:
- 古代微生物中的虫状微观结构很可能是微生物起源的,而不是来自质.
- 这挑战了这些结构的解释,即将海绵化石记录和动物的起源延伸到约890万年前.
- 这项研究强调了微生物生物膜通道网络及其保存的广泛化石记录.
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