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

Anoxygenic Phototrophic Bacteria01:28

Anoxygenic Phototrophic Bacteria

Anoxygenic phototrophic bacteria are a diverse group of microorganisms that perform photosynthesis without producing oxygen. They primarily include purple sulfur bacteria, purple nonsulfur bacteria, green sulfur bacteria, and green nonsulfur bacteria. These bacteria are classified into the Gammaproteobacteria, Alphaproteobacteria, Betaproteobacteria, Chlorobi, and Chloroflexi lineages, each with distinct physiological and ecological adaptations.Purple sulfur bacteria belong to the...
Hyperthermophilic Bacteria01:21

Hyperthermophilic Bacteria

Domain Bacteria includes some unique hyperthermophilic species. They exhibit remarkable adaptations that enable survival in extreme environments.Thermotoga species are rod-shaped, gram-negative, non-sporulating hyperthermophiles that form a sheath-like envelope called a toga. They ferment sugars or starch, producing lactate, acetate, CO₂, and H₂, and can also grow via anaerobic respiration using H₂ and ferric iron. Found in hot springs and hydrothermal vents, over 20% of their genes show strong...
Diversity of Archaea I01:30

Diversity of Archaea I

Archaea, a domain of single-celled microorganisms, are classified into five major phyla based on genetic and biochemical characteristics: Euryarchaeota, Crenarchaeota, Thaumarchaeota, Korarchaeota, and Nanoarchaeota. Among these, the phylum Euryarchaeota is notable for its remarkable diversity in morphology, metabolism, and ecological adaptations.Morphological and Metabolic DiversityMembers of Euryarchaeota exhibit a variety of cellular shapes, including rods and cocci. Their metabolic pathways...
Diversity of Archaea II01:24

Diversity of Archaea II

Archaea, one of the three domains of life, exhibit remarkable diversity and adaptability, thriving in both extreme and moderate environments. Historically, most identified archaea have been classified into two major phyla: Euryarchaeota and Crenarchaeota. However, recent molecular studies have expanded this classification to include three additional phyla: Thaumarchaeota, Nanoarchaeota, and Korarchaeota, each exhibiting unique characteristics and ecological roles.Thaumarchaeota: Mesophiles...
Diversity of Archaea III01:27

Diversity of Archaea III

Crenarchaeota, a prominent phylum of Archaea, is remarkable for its ability to thrive in extreme environments characterized by high temperatures and acidity. These microorganisms inhabit sulfuric hot springs, volcanic systems, and submarine hydrothermal vents, where temperatures often exceed 100°C. The unique adaptations of Crenarchaeota not only allow survival under such extreme conditions but also provide insights into the mechanisms of life in primordial Earth-like environments.Morphological...
Diversity of Archaea IV01:29

Diversity of Archaea IV

Hyperthermophilic archaea are a group of extremophiles thriving at temperatures above 80°C, often in hydrothermal vents and volcanic soils where conditions surpass the boiling point of water. At such temperatures, proteins, membranes, and DNA in most organisms degrade, but hyperthermophiles have evolved remarkable adaptations to maintain stability and function.Unique Cellular FeaturesHyperthermophilic membranes are composed of a monolayer of biphytanyl tetraether lipids, which resist thermal...

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

Intracellular barriers and receptor masking limit success of a <i>Pseudomonas aeruginosa</i> clinical phage family.

bioRxiv : the preprint server for biology·2026
Same author

Methodological Development and Theoretical Framework for the Isotopic Analysis of Mass Spectral Fragments of Phytol Using Orbitrap Mass Spectrometry.

ACS omega·2026
Same author

CRISPR spacers reveal diverse and abundant Thermococcales viruses in hydrothermal vents.

Research square·2026
Same author

Author Correction: Inference and reconstruction of the heimdallarchaeial ancestry of eukaryotes.

Nature·2026
Same author

Global deep-sea hydrothermal deposit metagenomes and metagenome-assembled genomes over time and space.

Scientific data·2026
Same author

Response and adaptation of verrucomicrobial methanotrophs to heat and acidity.

Archives of microbiology·2025

相关实验视频

Updated: Jul 13, 2026

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution
07:20

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution

Published on: December 30, 2021

一个来自深海水热喷口的无处不在的热酸性古物.

Anna-Louise Reysenbach1, Yitai Liu, Amy B Banta

  • 1Department of Biology, Portland State University, Portland, Oregon 97201, USA. reysenbacha@pdx.edu

Nature
|July 28, 2006
PubMed
概括

研究人员从深海通风口中分离出了一种新型的热酸,这是硫和铁循环中的关键参与者. 这一发现推动了我们对极端环境中的微生物生命的理解.

更多相关视频

A Set of In Situ Informed Simulated Medium Formats for Culturing Environmentally Acquired Anaerobic Microorganisms
07:56

A Set of In Situ Informed Simulated Medium Formats for Culturing Environmentally Acquired Anaerobic Microorganisms

Published on: January 12, 2024

Adaptation at the Extremes of Life: Experimental Evolution with the Extremophile Archaeon Sulfolobus acidocaldarius
08:11

Adaptation at the Extremes of Life: Experimental Evolution with the Extremophile Archaeon Sulfolobus acidocaldarius

Published on: June 14, 2024

相关实验视频

Last Updated: Jul 13, 2026

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution
07:20

Bioprospecting of Extremophilic Microorganisms to Address Environmental Pollution

Published on: December 30, 2021

A Set of In Situ Informed Simulated Medium Formats for Culturing Environmentally Acquired Anaerobic Microorganisms
07:56

A Set of In Situ Informed Simulated Medium Formats for Culturing Environmentally Acquired Anaerobic Microorganisms

Published on: January 12, 2024

Adaptation at the Extremes of Life: Experimental Evolution with the Extremophile Archaeon Sulfolobus acidocaldarius
08:11

Adaptation at the Extremes of Life: Experimental Evolution with the Extremophile Archaeon Sulfolobus acidocaldarius

Published on: June 14, 2024

科学领域:

  • 微生物学 微生物学
  • 地质化学 地质化学
  • 海洋学 海洋学 海洋学

背景情况:

  • 深海的热水喷口对全球生物地化学循环至关重要.
  • 这些通风口在由矿物沉形成的独特微生物息地中容纳着多样化的原核生物.
  • 之前的研究表明,通风流体的pH值较低,但极端热酸性仍然没有培养.

研究的目的:

  • 从深海的热水风口沉积物中分离和培养一个广泛传播的DHVE2血统成员.
  • 描述这种新型微生物的代谢能力和环境耐受性.
  • 评估风口生态系统中热酸友的生态意义.

主要方法:

  • 从深海热水风口样本中分离和培养微生物.
  • 核糖体RNA基因测序用于遗传学识别.
  • 生理学描述生长条件 (pH,温度) 和代谢活动 (硫或铁的减少).

主要成果:

  • 成功地分离和培养了一种属于DHVE2欧古全系的新型热酸性异构菌.
  • 隔离物在pH值3.35.8和5575°C之间生长最佳,表现出强制性的热酸友好特性.
  • 这种有机体在风口样本中占据了高达15%的考古物种种群,表明了显著的生态丰富度.

结论:

  • 热酸,特别是DHVE2系,在深海水热喷口中可培养和代谢活跃.
  • 这些生物在这些极端环境中的硫和铁循环中发挥着潜在的重要作用.
  • 这项研究首次成功培育了DHVE2成员,为研究风口微生物生态学和生物地球化学开辟了新的途径.