相关实验视频

Updated: Jun 21, 2026

Parasite Induced Genetically Driven Autoimmune Chagas Heart Disease in the Chicken Model
09:23

Parasite Induced Genetically Driven Autoimmune Chagas Heart Disease in the Chicken Model

Published on: July 29, 2012

大肠杆菌CAP蛋白的DNA结合域和曲角

H N Liu-Johnson, M R Gartenberg, D M Crothers

    Cell
    |December 26, 1986
    PubMed
    概括

    大肠杆菌的CAP蛋白在乳酸促进体中结合一个大的DNA区域,影响DNA曲. 这种曲可以通过创建三级结构和储存弹性能量来调节转录和复制.

    更多相关视频

    An Assay for Quantifying Protein-RNA Binding in Bacteria07:02

    An Assay for Quantifying Protein-RNA Binding in Bacteria

    Published on: June 12, 2019

    Identification of Antibacterial Immunity Proteins in Escherichia coli using MALDI-TOF-TOF-MS/MS and Top-Down Proteomic Analysis09:26

    Identification of Antibacterial Immunity Proteins in Escherichia coli using MALDI-TOF-TOF-MS/MS and Top-Down Proteomic Analysis

    Published on: May 23, 2021

    相关概念视频

    Single-Strand DNA Binding Proteins01:03

    Single-Strand DNA Binding Proteins

    For successful DNA replication, the unwinding of double-stranded DNA must be accompanied by stabilization and protection of the separated single strands of the DNA. This crucial task is performed by single-strand DNA-binding (SSB) proteins. They bind to the DNA in a sequence-independent manner, which means that the nitrogenous bases of the DNA need not be present in a specific order for binding of SSB proteins to it. The binding of SSB proteins straightens single-stranded DNA (ssDNA) and makes...
    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,...
    Nucleoid01:24

    Nucleoid

    The nucleoid represents a structurally and functionally distinct region within prokaryotic cells, where the cell's DNA and associated proteins are housed. Unlike eukaryotic cells, prokaryotes lack a membrane-bound nucleus, and the nucleoid facilitates the organization and accessibility of the genetic material within this constraint. The DNA in most bacteria and archaea exists as a single, circular, double-stranded molecule that is highly compacted through supercoiling and interactions with...
    Bacterial Protein Maturation01:26

    Bacterial Protein Maturation

    Bacterial protein maturation is a tightly regulated process that ensures newly synthesized polypeptides achieve correct functional conformations. This maturation involves a series of modifications, folding events, and quality control steps, often assisted by specialized chaperone proteins.N-Terminal ModificationsThe maturation of bacterial polypeptides begins cotranslationally as the polypeptide exits the ribosome. The first amino acid, N-formylmethionine (fMet), is typically modified at the...
    Conjugation01:19

    Conjugation

    Conjugation is a form of horizontal gene transfer that primarily occurs in bacteria and some archaea, promoting genetic diversity and adaptation. Bacteria can acquire resistance genes through conjugative plasmids, allowing them to survive antibiotic treatments that would otherwise be lethal. This process involves direct contact between cells through specialized structures such as the sex pilus and is mediated by conjugative plasmids, including the F (fertility) factor.Conjugation requires...