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Related Concept Videos

Bacterial Translocation and Protein Secretion01:26

Bacterial Translocation and Protein Secretion

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Bacterial protein secretion involves translocation systems to ensure proteins reach their designated locations, including the plasma membrane, periplasm, outer membrane, or the external environment. These translocation systems are vital for bacterial physiology, supporting processes like membrane assembly, enzymatic activity in the periplasm, and interactions with the external environment. The division of labor between Sec and Tat pathways ensures efficiency in handling proteins with diverse...
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Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

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The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
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Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

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Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...
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Transduction01:16

Transduction

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Among the three main modes of HGT—transformation, conjugation, and transduction—transduction is unique in that it is mediated by bacteriophages, or bacterial viruses.Transduction occurs in two ways. Generalized transduction occurs during the lytic cycle of a bacteriophage infection. In this process, bacteriophages infect bacterial cells, replicate within them, and ultimately cause cell lysis, releasing newly assembled virions. Occasionally, random fragments of the bacterial genome...
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Intracellular Movement of Viruses and Bacteria01:10

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Intracellular bacteria and viruses often comprise a group of highly infectious pathogens that can cause several diseases. Bacterial pathogens include those belonging to the genus Rickettsia responsible for conditions such as rocky mountain spotted fever and the Mediterranean spotted fever; Chlamydia, a genus responsible for a sexually transmitted disease; Coxiella burnetii, an agent responsible for Q fever. Viral pathogens include vaccinia—a poxvirus, and herpes simplex virus—a...
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Related Experiment Video

Updated: Mar 7, 2026

Use of a Central Venous Line for Fluids, Drugs and Nutrient Administration in a Mouse Model of Critical Illness
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Bacterial translocation in critical illness.

T Krentz1, S Allen1

  • 1Department of Emergency and Critical Care, Massachusetts Veterinary Referral Hospital, Woburn, MA, 01801, USA.

The Journal of Small Animal Practice
|February 11, 2017
PubMed
Summary

Bacterial translocation, the movement of gut bacteria to other body sites, worsens outcomes in critical illness. This review covers its causes, defenses, and management strategies for critically ill patients.

Area of Science:

  • Critical care medicine
  • Gastroenterology
  • Infectious disease

Background:

  • Bacterial translocation (BT) is a significant factor in critical illness.
  • It contributes to increased morbidity and mortality in critically ill patients.
  • Understanding BT is crucial for improving patient outcomes.

Purpose of the Study:

  • To review the pathophysiology of bacterial translocation.
  • To outline host defense mechanisms against bacterial translocation.
  • To examine clinical management strategies for critically ill patients to minimize BT-related negative outcomes.

Main Methods:

  • Literature review of pathophysiology.
  • Review of host defense mechanisms.
  • Evidence-based review of clinical management strategies.

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Assessment of Intestinal Transcytosis of Neonatal Escherichia coli Bacteremia Isolates
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Assessment of Intestinal Transcytosis of Neonatal Escherichia coli Bacteremia Isolates

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Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses
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Assessment of Intestinal Transcytosis of Neonatal Escherichia coli Bacteremia Isolates
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Main Results:

  • Bacterial translocation is a complex process.
  • Host defenses play a critical role in preventing translocation.
  • Clinical interventions can potentially mitigate the effects of bacterial translocation.

Conclusions:

  • Effective management of bacterial translocation is essential in critical care.
  • Further research into host defenses and targeted therapies is warranted.
  • Minimizing bacterial translocation can improve survival rates in critically ill patients.