Enterococcus Faecalis
Enterococcus Faecalis - Related Videos
05:02
A 1.5 Hour Procedure for Identification of Enterococcus Species Directly from Blood Cultures
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Cited by 15 •
2011
A rapid protocol for the direct identification of Enterococcus faecalis and other Enterococcus species from a positive blood culture using a Peptide Nucleic Acid fluorescent in situ hybridization assay (PNA FISH).
12:14
A Duplex Digital PCR Assay for Simultaneous Quantification of the Enterococcus spp. and the Human Fecal-associated HF183 Marker in Waters
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Cited by 14 •
2016
This manuscript describes a duplex digital PCR assay that can be used to simultaneously quantify Enterococcus spp. and the HF183 genetic markers as indicators of general and human-associated fecal contamination in recreational waters.
01:45
Visualization of Amino Acid Metabolites in Intestinal Tissues of Infected Mice
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2026
Source: Specker, J. T., et al. Investigation of Microbial Cooperation via Imaging Mass Spectrometry Analysis of Bacterial Colonies Grown on Agar and in Tissue During Infection. J. Vis. Exp. (2022)This video demonstrates the use of matrix-assisted laser desorption/ionization (MALDI) mass spectrometry to visualize amino acid distribution in intestinal tissues from mice infected with Clostridioides difficile, alone or in combination with Enterococcus faecalis. The procedure involves tissue...
05:35
A Broth Microdilution Method for Antibiotic Susceptibility Testing of Gram-Positive Bacteria
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2025
Source: Koeth, L. M., et. al., A Reference Broth Microdilution Method for Dalbavancin In Vitro Susceptibility Testing of Bacteria that Grow Aerobically. J. Vis. Exp. (2015).This video demonstrates the broth microdilution method for determining the minimum inhibitory concentration (MIC) of a lipoglycopeptide antibiotic against Gram-positive bacteria. It covers bacterial colony isolation, dilution, inoculation of microplate wells with varying antibiotic concentrations, and verification of culture...
08:30
One-day Workflow Scheme for Bacterial Pathogen Detection and Antimicrobial Resistance Testing from Blood Cultures
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Cited by 7 •
2012
The design of a straightforward one-day workflow scheme for bacterial pathogen diagnostics enables the rapid recognition of bloodstream infections. The inclusion of eight clinically relevant bacterial targets and their antibiotic resistance profiles offers the clinician an initial insight on the same day, which can lead to more adequate therapy.
FAQs
Its persistence reflects an ability to tolerate environmental stress, allowing cells to remain viable beyond the conditions associated with their usual gastrointestinal habitat. This trait helps explain why the organism can continue to exist in hospital settings and contribute to transmission or infection risk. In biology, studying stress survival connects cellular adaptation with the transition from commensal existence to opportunistic disease.
Adhesion enables cells to remain attached to surfaces, while biofilm formation creates an organized, persistent population on those surfaces. Together, these traits support continued survival and can complicate treatment by helping the organism remain associated with infected sites. Their study is especially relevant to understanding why some urinary tract, bloodstream, and wound infections are difficult to control.
Horizontal gene transfer allows genetic traits to move between bacteria, providing a route by which antimicrobial resistance can be acquired and maintained. In Enterococcus Faecalis, this mechanism links bacterial genetics with treatment difficulty and infection outcomes. It is important because resistance is not shaped only by individual-cell adaptation; exchange between bacterial populations can also influence how infections respond to antimicrobial strategies.
The shift from harmless colonization to disease reflects the interaction of persistence, surface adhesion, biofilm formation, virulence, and antimicrobial resistance. These traits can help Enterococcus Faecalis survive stressful conditions and establish infection when circumstances permit. Studying this transition gives biology a model for examining how bacteria normally associated with the host can contribute to urinary tract, bloodstream, or wound infections.
Laboratory investigations help characterize traits linked to survival, virulence, biofilm formation, and antimicrobial resistance. The resulting information can support improved diagnostic approaches and guide the development of antimicrobial strategies. These studies also connect observable bacterial properties with infection outcomes, helping researchers evaluate how a strain's biological behavior may affect persistence and the difficulty of controlling disease.
Its ability to persist under environmental stress, adhere to surfaces, form biofilms, and acquire antimicrobial resistance makes it important for studying infection control. Research can examine how these characteristics support survival in hospital environments and complicate treatment. Findings are relevant to reducing the spread or persistence of infections involving the urinary tract, bloodstream, and wounds, while informing diagnostic and antimicrobial planning.