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Related Concept Videos

Trichomoniasis01:18

Trichomoniasis

Trichomonas vaginalis is a flagellated protozoan parasite and the causative agent of trichomoniasis, one of the most prevalent non-viral sexually transmitted infections in the United States. This extracellular parasite primarily colonizes the lower genitourinary tract in women—particularly the vagina—and in men, the urethra and prostate. Its structural and functional adaptations enable its survival, motility, and pathogenicity within the host environment.Structural Features and Host EntryT.
Sexually Transmitted Infections01:26

Sexually Transmitted Infections

Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
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Bacterial Phylum Chlamydiae

The phylum Chlamydiae or Chlamydiota is composed of a single order, Chlamydiales. This phylum consists entirely of obligate intracellular parasites that infect eukaryotic hosts. While human pathogens within this group have been studied extensively, the phylum encompasses many species capable of interacting with various eukaryotic organisms. Members of Chlamydiae are typically small cocci, approximately 0.5 μm in diameter, and exhibit a distinctive developmental cycle. As is characteristic of...
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
Urine Studies II: Urine Culture and Sensitivity Test01:26

Urine Studies II: Urine Culture and Sensitivity Test

A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
Genital Herpes01:23

Genital Herpes

Genital herpes is a sexually transmitted infection primarily caused by herpes simplex virus type 2 (HSV-2), though herpes simplex virus type 1 (HSV-1) is increasingly implicated in genital infections, particularly among younger populations. Transmission occurs mainly through sexual contact, with asymptomatic viral shedding serving as a major route of spread. This characteristic makes HSV-2 difficult to control at a population level, as individuals may unknowingly transmit the virus even in the...

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Using Fluorescent Proteins to Visualize and Quantitate Chlamydia Vacuole Growth Dynamics in Living Cells
07:42

Using Fluorescent Proteins to Visualize and Quantitate Chlamydia Vacuole Growth Dynamics in Living Cells

Published on: October 13, 2015

Testing for Chlamydia trachomatis.

J E Graham

    Canadian Family Physician Medecin De Famille Canadien
    |January 22, 2011
    PubMed
    Summary
    This summary is machine-generated.

    Chlamydia trachomatis, a common STD, requires physician awareness for timely screening. Accurate specimen handling and modern tests like ELISA and IFA offer reliable alternatives to traditional cell culture.

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    Using Fluorescent Proteins to Visualize and Quantitate Chlamydia Vacuole Growth Dynamics in Living Cells
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    Published on: October 13, 2015

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    A Human Fallopian Tube Model for Investigation of C. trachomatis Infections

    Published on: August 11, 2012

    Area of Science:

    • Infectious Diseases
    • Public Health
    • Microbiology

    Background:

    • Chlamydia trachomatis is a prevalent sexually transmitted infection.
    • Asymptomatic infections are common, necessitating physician awareness for screening.
    • Proper specimen management is crucial for accurate diagnostic testing.

    Purpose of the Study:

    • To inform family physicians about indicated screening and testing for Chlamydia trachomatis.
    • To highlight the importance of specimen collection, storage, and transport.
    • To compare laboratory diagnostic techniques for Chlamydia trachomatis.

    Main Methods:

    • Review of current laboratory techniques for Chlamydia trachomatis detection.
    • Comparison of cell culture, ELISA, and immunofluorescent antibody (IFA) assay.
    • Evaluation of specimen handling's impact on diagnostic value.

    Main Results:

    • Cell culture is the established 'gold standard' for Chlamydia trachomatis diagnosis.
    • ELISA and IFA assays provide simpler and faster testing methods.
    • IFA and ELISA demonstrate comparable accuracy to cell culture.

    Conclusions:

    • Physicians must recognize when to screen for Chlamydia trachomatis due to its prevalence and asymptomatic nature.
    • Optimized specimen handling enhances the effectiveness of screening programs.
    • Modern diagnostic assays like ELISA and IFA are valuable, accurate alternatives to cell culture.