相关实验视频

Updated: Jul 5, 2026

One-day Workflow Scheme for Bacterial Pathogen Detection and Antimicrobial Resistance Testing from Blood Cultures
08:30

One-day Workflow Scheme for Bacterial Pathogen Detection and Antimicrobial Resistance Testing from Blood Cultures

Published on: July 9, 2012

格拉米西丁S的非循环十类比的抗菌活性

B F ERLANGER, L GOODE

    Science (New York, N.Y.)
    |March 4, 1960
    PubMed
    概括

    三种非循环格拉米西丁S类型显示抗菌活性,但与循环形式不同. 当与格拉米西丁S混合时,观察到协同效应,这表明这些新型的作用机制不同.

    关键词:
    抗生素/药理学 抗生素/药理学

    更多相关视频

    Deferred Growth Inhibition Assay to Quantify the Effect of Bacteria-derived Antimicrobials on Competition07:42

    Deferred Growth Inhibition Assay to Quantify the Effect of Bacteria-derived Antimicrobials on Competition

    Published on: September 3, 2016

    A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment12:58

    A Protocol to Characterize the Morphological Changes of Clostridium difficile in Response to Antibiotic Treatment

    Published on: May 25, 2017

    相关概念视频

    Differential Staining Technique01:26

    Differential Staining Technique

    Differential staining is an essential microbiological technique that exploits variations in cell wall structures to classify and identify microorganisms. It facilitates the distinction of bacteria, aiding in diagnostic and research applications. Two of the most widely used differential staining methods are Gram staining and acid-fast staining, both of which rely on the chemical and structural differences in bacterial cell walls.Gram Staining TechniqueGram staining differentiates bacteria by...
    Special Staining Techniques01:13

    Special Staining Techniques

    Specialized staining techniques play a vital role in microbiology by enabling the visualization of specific bacterial structures that remain undetectable with standard microscopy methods. These techniques not only enhance the structural visualization of bacterial cells but also provide critical insights into their pathogenicity and classification. Additionally, they support diagnostic and research endeavors in microbiology by identifying key bacterial features.Capsule Staining for Virulence...
    Antimicrobial Effectiveness01:28

    Antimicrobial Effectiveness

    The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
    Probiotics01:22

    Probiotics

    Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...
    Microbiota Modulation by Antibiotics01:21

    Microbiota Modulation by Antibiotics

    Antibiotics have revolutionized modern medicine by saving countless lives from bacterial infections. However, their widespread use has inadvertently harmed the delicate balance of the human gut microbiota. The gut microbiota, a complex community of bacteria, archaea, viruses, and fungi, plays a vital role in regulating metabolism, immune responses, and maintaining intestinal health. Antibiotics, especially broad-spectrum types, disrupt this ecosystem by eradicating both harmful and beneficial...
    Clinical Significance of Antibiotic Resistance01:25

    Clinical Significance of Antibiotic Resistance

    Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...