関連する実験動画

Updated: May 10, 2026

Discrimintion and Mapping of the Primary and Processed Transcripts in Maize Mitochondrion Using a Circular RT-PCR-based Strategy
07:26

Discrimintion and Mapping of the Primary and Processed Transcripts in Maize Mitochondrion Using a Circular RT-PCR-based Strategy

Published on: July 29, 2019

Zea maysのミトコンドリア遺伝子をコードするサイトクローム酸化酵素IIサブユニットは,中断配列を有し,TGAコドンを含まない

T D Fox, C J Leaver

    Cell
    |November 1, 1981
    PubMed
    まとめ

    研究者は,サイトクロム酸化酵素II.サブユニットをコードするトウモロコシミトコンドリア遺伝子mox 1を特定しました. この遺伝子はトリプトファンの非標準コドン (CGG) を使用し,ミトコンドリアの遺伝コードに関する理解を広げています.

    さらに関連する動画

    Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing07:24

    Genotyping Single Nucleotide Polymorphisms in the Mitochondrial Genome by Pyrosequencing

    Published on: February 10, 2023

    Mitochondrial Transformation in Baker's Yeast to Study Translation and Respiratory Complex Assembly09:53

    Mitochondrial Transformation in Baker's Yeast to Study Translation and Respiratory Complex Assembly

    Published on: June 7, 2024

    関連する概念動画

    Animal Mitochondrial Genetics02:59

    Animal Mitochondrial Genetics

    Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
    Export of Mitochondrial and Chloroplast Genes02:19

    Export of Mitochondrial and Chloroplast Genes

    A eukaryotic cell can have up to three different types of genetic systems: nuclear, mitochondrial, and chloroplast. During evolution, organelles have exported many genes to the nucleus; this transfer is still ongoing in some plant species. Approximately 18% of the Arabidopsis thaliana nuclear genome is thought to be derived from the chloroplast’s cyanobacterial ancestor, and around 75% of the yeast genome derived from the mitochondria’s bacterial ancestor. This export has occurred irrespective...
    Electron Transport Chain: Complex I and II01:46

    Electron Transport Chain: Complex I and II

    The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
    ROS generation is regulated and maintained at moderate levels necessary...
    Mitochondrial Protein Sorting01:39

    Mitochondrial Protein Sorting

    Mitochondria are double-membrane organelles of the eukaryotes involved in cellular metabolism, signaling, ATP synthesis, and programmed cell death.  Each of these processes requires specific proteins and enzymes that must be correctly sorted to the right mitochondrial subcompartment for the proper functioning of the organelle.
    Most of these mitochondrial proteins are encoded by the nucleus and imported to the mitochondria as unfolded or loosely folded precursors. Mitochondrial precursors...
    Translocation of Proteins into the Mitochondria01:19

    Translocation of Proteins into the Mitochondria

    Mitochondrial precursors are translocated to the internal subcompartments via independent mechanisms involving distinct protein machineries called translocases.
    Sorting of outer membrane proteins:
    Mitochondrial outer membrane proteins are of two types: the transmembrane, beta-barrel porins, and the membrane-anchored, alpha-helical proteins. Beta-barrel porin precursors are translocated by the TOM complex and inserted into the outer mitochondrial membrane by the SAM complex. In contrast,...
    Electron Transport Chain: Complex III and IV01:43

    Electron Transport Chain: Complex III and IV

    During the electron transport chain, electrons from NADH and FADH2 are first transferred to complexes I and II, respectively. These two complexes then transfer the electrons to ubiquinol, which carries them further to complex III. Complex III passes the electrons across the intermembrane space to Cyt c, which carries them further to complex IV. Complex IV donates electrons to oxygen and reduces it to water. As electrons pass through complexes I, III, and IV, the energy released aids the pumping...