Author

Kathryn Jayasinghe

Kathryn Jayasinghe, SM, supervises the microbiology laboratory at an acute-care hospital. Her clinical focus centers on bacterial identification, culture media, and diagnostic laboratory tests. With a master of science in clinical microbiology, she has evaluated automated antibiotic susceptibility testing platforms and interpreted thousands of Gram stains on the bench. Jayasinghe lives near a state park with her family and continues to oversee daily specimen workups across the pathology service.

Neisseria Meningitidis: Morphology and Structural Components
The Streptococcus Mitis Group: From Harmless to Harmful
Mycobacterium Tuberculosis Capsule: Structure and Pathogenic Role
How to Correctly Measure the Zone of Inhibition
Listeria Species: Pathogenic and Harmless Types Explained
Staphylococcus aureus Colony Morphology and Key Characteristics
Factors Affecting Staphylococcus epidermidis Growth Conditions
Pseudomonas aeruginosa Colony Morphology and Characteristics
Serratia marcescens: Morphology, Pigment, Biofilm, and Motility
Classifying Streptococci: Lancefield Grouping and Key Traits
Bifidobacterium Gram Stain and Cell Morphology
Identifying Moraxella osloensis: Lab Techniques and Characteristics
Neisseria gonorrhoeae: Detailed Morphology and Cellular Structures
What Are Microaerophiles and Why Is Air Toxic to Them?
What Is Burkholderia thailandensis and Why Is It Important?
Norovirus Under the Microscope: Detailed Appearance and Techniques
Bacterial Defense Mechanisms Against Phagocytosis
What Is FICI? Calculation and Interpretation
Prevotella Intermedia and Its Associated Diseases
What Are Pantoea Species and How Do They Affect Us?
Identifying Staphylococcus aureus Using Different Agar Plates
Endotoxins in Gram-Negative Bacteria: Structure and Impact
Reservoirs and Carriers of Streptococcus pyogenes Explained
Viridans Streptococci: Diversity, Oral Role, and Antibiotic Resistance
Ribotyping and Its Role in Microbial Identification
Leucocidins: Structure, Mechanism, and Pathogenic Role
Understanding Clostridium Tetani: Genetics and Biological Mechanisms
What Is an Endolysin and How Does It Work?
What Is a Bacteria Sensor and How Does It Work?
Exploring Bacterial Motility: Flagella, Twitching, and More