Related Experiment Video

Updated: Jul 17, 2026

Physical Isolation of Endospores from Environmental Samples by Targeted Lysis of Vegetative Cells
09:38

Physical Isolation of Endospores from Environmental Samples by Targeted Lysis of Vegetative Cells

Published on: January 21, 2016

Saccharococcus caldoxylosilyticus sp. nov., an obligately thermophilic, xylose-utilizing, endospore-forming bacterium

S Ahmad, R K Scopes, G N Rees

    International Journal of Systematic and Evolutionary Microbiology
    |April 12, 2000
    PubMed

    More Related Videos

    Establishing Stable Binary Cultures of Symbiotic Saccharibacteria from the Oral Cavity07:32

    Establishing Stable Binary Cultures of Symbiotic Saccharibacteria from the Oral Cavity

    Published on: April 13, 2021

    Adaptation at the Extremes of Life: Experimental Evolution with the Extremophile Archaeon Sulfolobus acidocaldarius08:11

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

    Published on: June 14, 2024

    Related Concept Videos

    Endospores and Sporulation01:20

    Endospores and Sporulation

    Endospores are specialized, dormant cells primarily formed by Gram-positive bacteria, including Bacillus and Clostridium, enabling survival under extreme environmental conditions. Due to their unique composition and formation process, these structures are highly resistant to physical and chemical insults, such as extreme heat, ultraviolet and ionizing radiation, desiccation, and toxic chemicals. Rare instances of endospore-like structures have also been observed in some Gram-negative bacteria,...
    Gene Regulation During Sporulation01:17

    Gene Regulation During Sporulation

    Sporulation is a complex developmental process that allows certain Gram-positive bacteria, such as Bacillus subtilis and Clostridium species, to survive extreme environmental conditions. This process is tightly regulated by a series of signaling cascades and transcriptional controls, ensuring the formation of a highly resistant endospore.Sporulation is triggered by unfavorable conditions, such as nutrient depletion, and is governed by a phosphorelay system. One of the sensor kinases, such as...
    Bacterial Phylum Bacteroidota01:26

    Bacterial Phylum Bacteroidota

    The phylum Bacteroidota includes over 700 species classified into four primary orders: Bacteroidales, Cytophagales, Flavobacteriales, and Sphingobacteriales. These gram-negative, non-sporulating rods exhibit saccharolytic capabilities and can be aerobic or fermentative, encompassing obligate aerobes, facultative aerobes, and obligate anaerobes. Many species display gliding motility, though some are nonmotile or use flagella. The genus Bacteroides is well-studied due to its significant role in...
    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 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...