相关实验视频

Updated: May 24, 2025

Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy

Microbiota of Attine Ants' Gardens: Visualizing a Microbial Landscape by Scanning Electron Microscopy

Published on: October 4, 2024

沿海沉积物的间歇性微生物群落主要由Nanoarchaeota主导

Simone Brick¹, Jutta Niggemann¹, Anja Reckhardt¹

¹School of Mathematics and Science, Institute for Chemistry and Biology of the Marine Environment (ICBM), Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany.

Frontiers in microbiology

|March 5, 2025

概括

沿海沉积物孔水有独特的微生物群落,与沙子上的微生物不同. 这些自由生活的社区富含着古生物,包括Nanoarchaeota和候选Phyla辐射细菌.

科学领域:

环境微生物学环境微生物学
海洋微生物生态学
地质微生物学的生物.

背景情况:

地表沿海沉积物是各种微生物群落的宿主,对营养循环至关重要.
沙沉积物中的大多数微生物是epipsammon (附着在谷物上),在孔水中只有少数微生物.
这些自由生活的间歇性微生物群落的组成在很大程度上是未知的.

研究的目的:

为了比较地下沿海沉积物及其相应的孔水中的考古和细菌社区结构.
描述间隙孔水中自由生活的微生物群落的独特组成和多样性.
调查隔离和描述新型微生物的潜力,如Nanoarchaeota和候选物质辐射 (CPR) 细菌.

主要方法:

应用了16S rRNA基因测序来分析微生物社区结构.
沉积物和间隙孔水样本中的微生物群落的比较.
考古和细菌社区组成,多样性和丰富性的分析.

主要成果:

自由生活的原核生物构成了微生物群落总数中很小的一小部分 (0.22.3%).
间歇性微生物群落与沉积物附着微生物的重叠 (47% ASVs) 是很小的.
7581%的ASVs的独特成分仅在孔水中发现,具有更高的多样性和古生物与细菌的比率.
考古物被纳米考古物 (DPANN超级族) 主导,细菌包括CPR成员.
在相邻的潮平面生态系统中也观察到类似的趋势.

结论:

在地下沿海沉积物中存在明显的间歇性微生物群落.
这些社区富含尚未培养的Nanoarchaeota和CPR细菌.
这些发现为有针对性的元基因组分析和新型微生物的隔离提供了机会,以进行代谢表征.

关键词:

这是一个DPANN超级家族.纳米考古发现候选类型的辐射辐射这就是Epipsammon.高能量的海 - - 高能量的海间歇性社区间歇性社区地下河口 (STE) 是一个地下河口.

更多相关视频

Unraveling the Unseen Players in the Ocean - A Field Guide to Water Chemistry and Marine Microbiology

Unraveling the Unseen Players in the Ocean - A Field Guide to Water Chemistry and Marine Microbiology

Published on: November 5, 2014

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations

Published on: October 29, 2016

相关概念视频

Primary Production

Primary Production

The total amount of energy acquired by primary producers in an ecosystem is called gross primary production (GPP). However, of this energy, producers use some for metabolic processes, and some is lost as heat, decreasing the amount of energy available to the next trophic level. The remaining usable amount of energy is called the net primary productivity (NPP). In terrestrial ecosystems, NPP is driven by climate, while light penetration and nutrient availability drive NPP in aquatic ecosystems.

Bioremediation

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.