Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Inhibitors of Gram-positive Cell Wall Synthesis01:23

Inhibitors of Gram-positive Cell Wall Synthesis

Bacterial cell walls are typically rigid structures composed mainly of peptidoglycan, a mesh-like polymer that provides mechanical strength and maintains cell shape. The synthesis of peptidoglycan is a crucial process in bacterial growth and serves as a primary target for many antibiotics.Mechanism of Action of Beta-Lactam AntibioticsBeta-lactam antibiotics, such as penicillin, inhibit peptidoglycan synthesis in actively growing cells. These antibiotics share a characteristic four-membered...
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...
Mechanism of Antibiotic Resistance in MRSA01:25

Mechanism of Antibiotic Resistance in MRSA

Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...
Development of Antibiotic Resistance01:30

Development of Antibiotic Resistance

Antibiotic resistance is a major public health concern that arises when bacteria evolve mechanisms to withstand the effects of antibiotic treatments. This resistance can be intrinsic, acquired through genetic mutations, or transferred between bacteria via horizontal gene transfer. The development of antibiotic resistance poses significant challenges in treating bacterial infections and necessitates ongoing research to develop new therapeutic strategies.Intrinsic resistance occurs when bacterial...
Production of Antibiotics01:27

Production of Antibiotics

Penicillin, one of the earliest and most widely used antibiotics, is produced industrially by the filamentous fungus Penicillium chrysogenum. Large stirred-tank bioreactors ranging from tens to hundreds of thousands of liters maintain tightly controlled temperature, pH, and dissolved oxygen conditions to support fungal metabolism and maximize antibiotic yield. Penicillin is a secondary metabolite, synthesized primarily during the stationary growth phase, which requires a carefully managed...
Bacterial Gastroenteritis01:18

Bacterial Gastroenteritis

Bacterial gastroenteritis, characterized by diarrhea, abdominal cramps, and vomiting, is often caused by ingestion of contaminated food or water and is frequently associated with pathogenic Escherichia coli strains. These microbes exploit two principal mechanisms to inflict disease.Shiga toxin–producing E. coli, also referred to as STEC—notably O157:H7—release Shiga toxins that target ribosomes, blocking protein synthesis. The B subunit of the toxin binds the host glycolipid receptor...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Pneumo-peritoneum following PEG insertion: a clinical dilemma.

Acute medicine·2011
Same author

Acapella versus 'usual airway clearance' during acute exacerbation in bronchiectasis: a randomized crossover trial.

Chronic respiratory disease·2007
Same author

Antibiotic cycling to decrease bacterial antibiotic resistance: a 5-year experience on a bone marrow transplant unit.

Bone marrow transplantation·2007
Same author

Airway clearance in bronchiectasis: a randomized crossover trial of active cycle of breathing techniques (incorporating postural drainage and vibration) versus test of incremental respiratory endurance.

Chronic respiratory disease·2005
Same author

Risk factors for Candida species colonization of neonatal intensive care unit patients.

The Pediatric infectious disease journal·2001
Same author

Clinical outcomes of bacteremic pneumococcal pneumonia in the era of antibiotic resistance.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America·2001
Same journal

Relationship of serum nesfatin-1 levels with body mass index and c-reactive protein in patients presenting to the emergency department with epileptic seizures.

Postgraduate medicine·2026
Same journal

Clinical pharmacokinetics of colistimethate sodium and formed colistin in patients with renal impairment or on dialysis modalities: a systematic review and implications for precision dosing.

Postgraduate medicine·2026
Same journal

The role of type D personality in pregnancy symptom severity, functional limitations, and maternal ambivalence.

Postgraduate medicine·2026
Same journal

Operational and demographic predictors of leaving without being seen in a high-volume tertiary emergency department: a five-year case-control study.

Postgraduate medicine·2026
Same journal

Risk of adverse effects of the concomitant use of statins with calcium channel blockers: a systematic review and meta-analysis.

Postgraduate medicine·2026
Same journal

Association between frailty and major chronic disease-free life expectancy: a large community-based longitudinal study.

Postgraduate medicine·2026
See all related articles

Related Experiment Video

Updated: Jun 21, 2026

The Use of a β-lactamase-based Conductimetric Biosensor Assay to Detect Biomolecular Interactions
08:06

The Use of a β-lactamase-based Conductimetric Biosensor Assay to Detect Biomolecular Interactions

Published on: February 1, 2018

Extended-spectrum beta-lactamases. An overview.

J E Patterson1

  • 1University of Texas Health Science Center at San Antonio, 7703 Floyd Curl Drive, San Antonio, TX 78229-3900, USA. pattersonj@uthscsa.edu

Postgraduate Medicine
|August 12, 2009
PubMed
Summary
This summary is machine-generated.

Extended-spectrum beta-lactamase (ESBL)-producing bacteria pose a significant clinical challenge due to multidrug resistance. Imipenem is currently the preferred treatment for severe infections caused by these resistant pathogens.

More Related Videos

Testing the Role of Multicopy Plasmids in the Evolution of Antibiotic Resistance
09:00

Testing the Role of Multicopy Plasmids in the Evolution of Antibiotic Resistance

Published on: May 2, 2018

A Protocol for Functional Assessment of Whole-Protein Saturation Mutagenesis Libraries Utilizing High-Throughput Sequencing
11:36

A Protocol for Functional Assessment of Whole-Protein Saturation Mutagenesis Libraries Utilizing High-Throughput Sequencing

Published on: July 3, 2016

Related Experiment Videos

Last Updated: Jun 21, 2026

The Use of a β-lactamase-based Conductimetric Biosensor Assay to Detect Biomolecular Interactions
08:06

The Use of a β-lactamase-based Conductimetric Biosensor Assay to Detect Biomolecular Interactions

Published on: February 1, 2018

Testing the Role of Multicopy Plasmids in the Evolution of Antibiotic Resistance
09:00

Testing the Role of Multicopy Plasmids in the Evolution of Antibiotic Resistance

Published on: May 2, 2018

A Protocol for Functional Assessment of Whole-Protein Saturation Mutagenesis Libraries Utilizing High-Throughput Sequencing
11:36

A Protocol for Functional Assessment of Whole-Protein Saturation Mutagenesis Libraries Utilizing High-Throughput Sequencing

Published on: July 3, 2016

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Pharmacy

Background:

  • Rising prevalence of extended-spectrum beta-lactamase (ESBL)-producing Klebsiella pneumoniae and other Enterobacteriaceae.
  • Multidrug resistance complicates treatment options, including fluoroquinolones, trimethoprim-sulfamethoxazole, and gentamicin.

Purpose of the Study:

  • To highlight the challenges in detecting and treating infections caused by ESBL-producing Enterobacteriaceae.
  • To discuss current therapeutic strategies and emphasize the importance of control measures.

Main Methods:

  • Clinical experience review
  • Analysis of antimicrobial resistance patterns
  • Evaluation of treatment outcomes

Main Results:

  • Imipenem identified as the drug of choice for serious infections caused by ESBL-producing isolates.
  • Limited therapeutic options necessitate stringent control and prevention strategies.

Conclusions:

  • Effective infection control measures, including contact precautions, are crucial.
  • Antibiotic stewardship, such as judicious use of ceftazidime, is vital for managing ESBL-producing bacteria.