Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Microbial Nutrition01:28

Microbial Nutrition

1.0K
Organisms exhibit remarkable metabolic diversity, categorized based on how they acquire energy and carbon. These strategies enable survival in various ecological niches and are essential for maintaining energy flow and nutrient cycling within ecosystems.Energy and Carbon SourcesOrganisms are classified as phototrophs or chemotrophs based on energy acquisition. Phototrophs use light as their energy source, while chemotrophs rely on oxidizing chemical compounds. Further differentiation arises...
1.0K
Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

911
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
911
Metabolism of Chemolithotrophs01:15

Metabolism of Chemolithotrophs

728
Chemolithotrophs are microorganisms that obtain energy by oxidizing inorganic molecules such as hydrogen gas (H₂), ammonia (NH₃), reduced sulfur compounds (H₂S, S²⁻), and ferrous iron (Fe²⁺). Unlike heterotrophic organisms that rely on organic carbon, chemolithotrophs transfer electrons from these inorganic donors to the electron transport chain (ETC), generating a proton motive force (PMF) that drives ATP synthesis through oxidative phosphorylation.
728
Operon Model01:23

Operon Model

1.0K
The operon model represents a fundamental mechanism of gene regulation in prokaryotes, enabling coordinated expression of genes involved in related metabolic or functional pathways. Operons consist of structural genes, a promoter, and an operator, with transcription regulated by repressors, activators, and small effector molecules.Structure and Function of OperonsAn operon is a cluster of structural genes transcribed together under the control of a single promoter. The promoter region...
1.0K
Overview of Metabolism01:40

Overview of Metabolism

37.5K
Living cells constantly carry out various chemical reactions which are necessary for their proper functioning. These reactions are interlinked to one another via multiple pathways. The collection of these chemical reactions is known as metabolism.
Plant Metabolism
Sunlight, the primary source of energy in plants, is first absorbed by the chlorophyll pigments present in their leaves. Plants then use this energy to carry out photosynthesis, where water is oxidized into oxygen and carbon dioxide...
37.5K
Microbial Fermentation01:23

Microbial Fermentation

1.3K
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
1.3K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Phylogeny-aware comparative genomics of <i>Vibrio vulnificus</i> links genetic traits to pathogenicity.

mBio·2026
Same author

A transfer RNA inosine modification drives genome-wide synonymous recoding across human commensal bacterial families.

PNAS nexus·2026
Same author

A unicellular relative links aggregative multicellularity to animal origins.

Nature·2026
Same author

PathoFact 2.0: an integrative pipeline for the prediction of antimicrobial resistance genes, virulence factors, toxins and toxin-associated proteins, and biosynthetic gene clusters in metagenomes.

GigaScience·2026
Same author

High-resolution multi-omics enhances prediction and detection of smORF-encoded proteins in the human gut microbiome.

Nature communications·2026
Same author

Addendum: Widespread potential for phototrophy and convergent reduction of lifecycle complexity in the dimorphic order Caulobacterales.

Nature communications·2026
Same journal

Fermentative iron reduction by a psychrotolerant Clostridium-dominant consortium enriched from Antarctic penguin-impacted soils.

Communications biology·2026
Same journal

Multilayer brain network analysis in mice reveals ketamine-induced reorganization of brain- wide fluctuations and gut-brain axis.

Communications biology·2026
Same journal

Myofiber-specific knockout of TGF-β type I receptors in mice concurrently drives muscle hypertrophy, oxidative metabolism, and absolute force.

Communications biology·2026
Same journal

The coccosphere of the heavy calcifying coccolithophore Coccolithus braarudii provides defense against bacteria.

Communications biology·2026
Same journal

Non-canonical role of Ku80 stabilizes Rab7A to enhance mitolysosome formation and chemotherapy in liver cancer.

Communications biology·2026
Same journal

In vivo tissue clearing with tartrazine and other dye molecules.

Communications biology·2026
查看所有相关文章

相关实验视频

Updated: Jan 9, 2026

Growing a Cystic Fibrosis-Relevant Polymicrobial Biofilm to Probe Community Phenotypes
03:53

Growing a Cystic Fibrosis-Relevant Polymicrobial Biofilm to Probe Community Phenotypes

Published on: April 19, 2024

1.0K

微生物模型社区表现出广泛的代谢相互依赖.

Armando Pacheco-Valenciana1, Anna Tausch2, Iva Veseli3,4

  • 1Department of Ecology, Environment, and Plant Sciences, Science for Life Laboratory, Stockholm University, Stockholm, Sweden. armando.pacheco@su.se.

Communications biology
|December 3, 2025
PubMed
概括
此摘要是机器生成的。

许多微生物依赖代谢合作伙伴生存,较小的基因组和较少的生物合成潜力表明成功适应环境. 基于社区的种植显示了微生物中广泛的代谢相互依赖性和基因组简化.

更多相关视频

Investigation of Microbial Cooperation via Imaging Mass Spectrometry Analysis of Bacterial Colonies Grown on Agar and in Tissue During Infection
09:49

Investigation of Microbial Cooperation via Imaging Mass Spectrometry Analysis of Bacterial Colonies Grown on Agar and in Tissue During Infection

Published on: November 18, 2022

2.7K
Updated Protocol for the Assembly and Use of the Minibioreactor Array (MBRA)
09:38

Updated Protocol for the Assembly and Use of the Minibioreactor Array (MBRA)

Published on: September 5, 2025

783

相关实验视频

Last Updated: Jan 9, 2026

Growing a Cystic Fibrosis-Relevant Polymicrobial Biofilm to Probe Community Phenotypes
03:53

Growing a Cystic Fibrosis-Relevant Polymicrobial Biofilm to Probe Community Phenotypes

Published on: April 19, 2024

1.0K
Investigation of Microbial Cooperation via Imaging Mass Spectrometry Analysis of Bacterial Colonies Grown on Agar and in Tissue During Infection
09:49

Investigation of Microbial Cooperation via Imaging Mass Spectrometry Analysis of Bacterial Colonies Grown on Agar and in Tissue During Infection

Published on: November 18, 2022

2.7K
Updated Protocol for the Assembly and Use of the Minibioreactor Array (MBRA)
09:38

Updated Protocol for the Assembly and Use of the Minibioreactor Array (MBRA)

Published on: September 5, 2025

783

科学领域:

  • 微生物学 微生物学
  • 生态生态学 生态生态学
  • 基因组学就是基因组学.

背景情况:

  • 微生物群落表现出复杂的相互作用,但生物合成的依赖性是鲜为人知的.
  • 大多数微生物物种仍然未经培养,限制了生态洞察力.

研究的目的:

  • 研究微生物群落中的代谢相互依赖和基因组简化.
  • 从波罗的海培养以前未经培养的微生物.

主要方法:

  • 利用稀释方法培养了204个微生物模型社区.
  • 产生了527个元基因组组合基因组 (MAG) 和701个物种群的目录.
  • 分析了基因组大小,生物合成潜力和环境流行情况.

主要成果:

  • 70%的恢复物种以前没有被培养.
  • 较大群体中的微生物具有较小的基因组和减少的生物合成能力.
  • 群体内的种类表现出互补的基因库,表明了代谢合作.
  • 在成功的环境微生物中,代谢相互依赖和基因组简化是普遍存在的.

结论:

  • 基于社区的种植可以获得未经培养的,丰富的物种.
  • 代谢合作是微生物的关键生态战略.
  • 基因组精简与生态成功和相互依存关系有关.