関連する実験動画

Updated: Jul 27, 2026

Rapid Isolation of the Mitoribosome from HEK Cells
09:33

Rapid Isolation of the Mitoribosome from HEK Cells

Published on: October 4, 2018

リボソームのRNA配列は,マイクロスポリディアが非常に古代のエウカリオートであることを示唆しています

C R Vossbrinck, J V Maddox, S Friedman

    Nature
    |March 1, 1987
    PubMed
    まとめ

    マイクロスポリディアは,原始的な特徴を持つ珍しい寄生虫であり,他の真核生物から早期に逸脱したことを示唆しています. 独特の分子および細胞学的特徴は,それらの独特の進化の経路を強調しています.

    さらに関連する動画

    Studying Inherited Immunity in a Caenorhabditis elegans Model of Microsporidia Infection09:24

    Studying Inherited Immunity in a Caenorhabditis elegans Model of Microsporidia Infection

    Published on: April 6, 2022

    Single Nucleotide Polymorphism-sensitive FISH Detection of Locus-specific Ribosomal RNA Transcription in Drosophila melanogaster04:59

    Single Nucleotide Polymorphism-sensitive FISH Detection of Locus-specific Ribosomal RNA Transcription in Drosophila melanogaster

    Published on: March 28, 2025

    関連する概念動画

    Eukaryotic Evolution01:24

    Eukaryotic Evolution

    The endosymbiont theory is the most widely accepted theory of eukaryotic evolution; however, its progression is still somewhat debated. According to the nucleus-first hypothesis, the ancestral prokaryote first evolved a membrane to enclose DNA and form the nucleus. Conversely, the mitochondria-first hypothesis suggests that the nucleus was formed after endosymbiosis of mitochondria.
    Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...
    Three-Domain System of Life01:21

    Three-Domain System of Life

    Ribosomal RNA (rRNA) sequence analysis revealed three distinct groups of cells: eukaryotes, bacteria, and archaea. In 1978, Carl R. Woese proposed the concept of domains, a taxonomic level above kingdoms, to differentiate these groups. He suggested that archaea and bacteria, despite their similar appearance, represent separate domains. Domains differ in rRNA, membrane lipid structure, transfer RNA, and antibiotic sensitivity.In this classification, animals, plants, and fungi belong to the...
    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...
    Fungal Phylum Microsporidia01:28

    Fungal Phylum Microsporidia

    Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
    Viruses of Archaea01:29

    Viruses of Archaea

    Archaeal viruses play a crucial role in the ecosystems of extremophilic archaea, particularly those belonging to the phyla Euryarchaeota and Crenarchaeota. By shaping host evolution and facilitating gene transfer, these viruses influence microbial communities and contribute to genetic diversity in extreme environments. The archaea they infect thrive in acidic hot springs and hydrothermal vents characterized by high temperatures and low pH. Archaeal viruses exhibit remarkable structural...
    Evolution of Microbial Genome01:08

    Evolution of Microbial Genome

    Microbial genome evolution is a highly dynamic process shaped by continual gene gain and loss across species and strains. This genomic flexibility allows microorganisms to adapt rapidly to environmental pressures and interactions with other organisms. Central to understanding this diversity is the distinction between the core and pan genomes.The core genome comprises the genes shared by all sampled strains of a species, representing essential functions needed for fundamental cellular processes.