Bacteriology
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Bacteriology is the branch and specialty of biology that studies the morphology, ecology, genetics and biochemistry of bacteria as well as many other aspects related to them. This subdivision of micro
Scanning electron micrograph of Escherichia coli, a common human pathogen and research organism.
An agar plate with bacteria spread by the streak plate method.
Salmonella growing on XLD agar
Antonie van Leeuwenhoek, the first person to observe bacteria using a microscope.
Germ theory of disease
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The germ theory of disease is the currently accepted scientific theory explaining the cause of infectious diseases. It states that microorganisms known as pathogens or "germs" can cause disease. These
Bacteriology
…bacteriology can be classified as a distinct science. Bacteriology is the study of bacteria. Bacteriology evolved from physicians needing to apply the germ theory to address the concerns relating to disease spreading in hospitals the 19th century. Identification and characterizing of bacteria being associated to…
Scanning electron microscope image of Vibrio cholerae, the bacterium that causes cholera
A representation by Robert Seymour of the cholera epidemic depicts the spread of the disease in the form of poisonous air.
Louis Pasteur's spontaneous generation experiment illustrates that liquid nutrients are spoiled by particles in the air rather than the air itself. These results of these experiments supported the germ theory of disease.