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Bacterial Growth Curve Protocol

Bacterial Growth Curve Protocol

What is Bacterial Growth Curve? The bacterial growth curve is a graphical representation of the growth of a population of bacteria in a closed system over time. It typically consists of four phases: The shape and duration of each phase can vary depending on the bacterial species, the nutrients available, and other environmental factors. Understanding … Read more

Vibrio cholerae Food Poisoning – Cholera toxin (CT)

Vibrio cholerae Food Poisoning - Cholera toxin (CT)

What is Vibrio cholerae Food Poisoning? Vibrio cholerae food poisoning, caused by the bacterium Vibrio cholerae, is a serious diarrheal illness resulting in watery diarrhea and severe dehydration. Here’s what you need to know about Vibrio cholerae food poisoning: Vibrio cholerae food poisoning remains a significant public health issue, particularly in regions with limited resources … Read more

Cell membrane (Plasma Membrane) Structures and Functions

Cell membrane (Plasma Membrane) Structures and Functions

What is Cell membrane or Plasma Membrane? Definition of Cell membrane or Plasma Membrane The cell membrane, also known as the plasma membrane, is a semi-permeable biological barrier that surrounds and protects the cell’s interior from the external environment, regulating the passage of molecules in and out of the cell. Cell Membrane Composition  The cell … Read more

Pseudomonas aeruginosa – Habitat, Diagnosis, Pathogenesis, Treatment

Pseudomonas aeruginosa - Habitat, Diagnosis, Pathogenesis, Treatment

Pseudomonas aeruginosa is a bacterium classified under the Gamma Proteobacteria class of Bacteria. It is a Gram-negative, rod-shaped, aerobic bacterium belonging to the bacterial family Pseudomonadaceae. The family Pseudomonadaceae includes various species of the genus Pseudomonas, which is further divided into eight groups based on conserved macromolecules like 16S ribosomal RNA. Pseudomonas aeruginosa is the … Read more

Yersinia Pestis – Definition, Structure, Genome, Transmission, Pathogenesis, Treatment

Yersinia Pestis - Definition, Structure, Genome, Transmission, Pathogenesis, Treatment

What is Yersinia Pestis? Yersinia Pestis Definition Yersinia pestis is a gram-negative coccobacillus bacterium responsible for causing the disease known as the plague, historically linked to significant pandemics such as the Black Death. This facultative anaerobic organism is an obligate parasite, primarily transmitted to humans through the bite of infected fleas. General characteristics of Yersinia … Read more

Treponema Pallidum – Definition, Structure, Transmission, Pathogenesis, Treatment

Treponema Pallidum - Definition, Structure, Transmission, Pathogenesis, Treatment

What is Treponema Pallidum? Definition of Treponema Pallidum Treponema pallidum is a helical, microaerophilic bacterium responsible for causing syphilis, a sexually transmitted disease, and other related diseases such as bejel and yaws. It is characterized by its slow metabolic rate and is best visualized using dark-field microscopy. What is Syphilis? Classification of Treponema Pallidum Treponema … Read more

Spirochete – Definition, Morphology, Diseases

Spirochete - Definition, Morphology, Diseases

What is Spirochete? Definition of Spirochete Spirochete is a type of bacteria characterized by its elongated, helically coiled (corkscrew-shaped) morphology, belonging to the phylum Spirochaetota. These bacteria are known for their unique movement mechanism using endoflagella and can be found in diverse environments, with some species causing diseases like Lyme disease and syphilis. Taxonomic organization … Read more

Bacterial Secretion Systems – Definition, Types, Mechanism, Importance

Mechanisms of innate immune recognition of bacterial secretion systems

What is Bacterial Secretion Systems? Definition of Bacterial Secretion Systems Bacterial secretion systems are specialized protein complexes in bacterial cell membranes that transport substances, primarily proteins, from the bacterial cell to its environment or into host cells, facilitating processes such as pathogenesis and environmental adaptation. Classes of bacterial protein secretion systems Bacterial protein secretion systems … Read more

Phytoplankton – Definition, Types, Importance, Example

Phytoplankton - Definition, Types, Importance, Example

What is Phytoplankton? Definition of Phytoplankton Phytoplankton are microscopic, photosynthetic organisms found in aquatic environments that serve as the foundation of marine and freshwater food chains and contribute significantly to global oxygen production and carbon cycling. Characteristics Features of Phytoplankton Phytoplankton are a diverse group of microscopic photosynthetic organisms that inhabit aquatic ecosystems, and they … Read more

Morphology of Bacteria – Sizes, Shapes, Arrangements, Examples With Images

Morphology of Bacteria - Sizes, Shapes, Arrangements, Examples With Images

What are bacteria? Characteristics Features of bacteria Bacteria, as microscopic entities, exhibit a unique assemblage of features that distinguish them from eukaryotic organisms, fundamentally setting them apart within the vast expanse of biological taxa. These features are emblematic of their evolutionary lineage and functional adaptability, encapsulating their cellular architecture, metabolic pathways, and ecological roles. Size … Read more

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