Draft Genome Sequence of Vancomycin-Susceptible, Ampicillin-Intermediate Enterococcus faecium Strain D344RRF

Mónica García-Solache1, Louis B Rice2

  • 1Department of Medicine, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, Rhode Island, USA monica.garciasolache@cantab.net.

Insights

We present the genome of Enterococcus faecium strain D344RRF, a valuable lab tool for studying antibiotic resistance transfer. This strain exhibits resistance to rifampicin and fusidic acid.

Area of Science:

  • Microbiology
  • Genomics
  • Infectious Diseases

Background:

  • Enterococcus faecium is a significant cause of hospital-acquired infections.
  • High antibiotic resistance rates in E. faecium contribute to a major health burden.
  • The bacterium's ability to colonize the gastrointestinal tract facilitates its spread.

Purpose of the Study:

  • To provide the draft genome sequence of a specific Enterococcus faecium laboratory strain.
  • To characterize the antibiotic resistance profile of strain D344RRF.
  • To highlight the utility of this strain in research on antibiotic resistance mechanisms.

Main Methods:

  • Whole-genome sequencing of Enterococcus faecium strain D344RRF.
  • Bioinformatic analysis of the generated genome data.
  • Phenotypic characterization of antibiotic susceptibility.

Main Results:

  • The draft genome sequence for vancomycin-susceptible, ampicillin-intermediate E. faecium strain D344RRF was obtained.
  • Strain D344RRF displays resistance to rifampicin and fusidic acid.
  • This characterized genome provides a resource for resistance studies.

Conclusions:

  • The genome of E. faecium D344RRF is a valuable resource for investigating antibiotic resistance.
  • This strain's specific resistance profile makes it suitable for studying resistance transfer mechanisms.
  • Further research utilizing this genomic data can advance understanding of nosocomial pathogens.

Related Concept Videos

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...
1.9K
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...
44
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...
10