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Bacteriology

Bacteriology is a branch or discipline of science that studies different characteristics of bacteria and their association with other organisms or disciplines.

  • Over the years, the discipline of bacteriology has evolved from the microbiological tests performed only by physicians, the application of the germ theory of disease and economic concerns relating to the spoilage of foods and wine to the use of bacteria to simpler forms of laboratory tests and the production of new nutritious food and antibiotics.
  • The study of bacteria began with the discovery of the microscope and was mostly limited to experts and scientists of that time.
  • The initial advances in pathogenic bacteriology began with the identification and characterization of bacteria associated with specific diseases.
  • Nowadays, however, bacteriology is used in various other fields like food, pharmaceuticals, agriculture, and the environment.
  • Significant advances made in bacteriology over the last century have resulted in the development of many useful vaccines like pneumococcal polysaccharide vaccine, diphtheria toxoid as well as antibiotics.
  • At present, most bacterial diseases in humans and their infectious agents have been identified, although significant variants continue to evolve and sometimes emerge.
  • Studies made in bacteriology have also allowed the use of gene recombination technology in bacteria to produce improved bacterial strains that can then be used in various areas.
  • The importance of bacteriology continues to grow throughout the years as many diseases and disorders associated with almost all living beings are caused by bacteria.
  • Studies of non-pathogenic bacteria that exist in a symbiotic relationship with plants and animals are even beneficial to said organisms.
  • The identification and classification of bacteria into different groups have allowed for a convenient way of studying these bacteria and the formation of a separate branch, systemic bacteriology, that deals with taxonomy.
  • Besides, bacteriological studies, subsequently, have also been divided into different areas like soil bacteriology, public-health bacteriology, industrial bacteriology, etc.
  • Bacteriological studies have been the focal point for disease diagnosis and treatment, and their importance continues to grow with the emergence of new bacteria and associated diseases.

Vibrio parahaemolyticus Food Poisoning- Gastroenteritis

June 18, 2022June 5, 2022 by Sushmita Dura
Vibrio parahaemolyticus Food Poisoning

Vibrio parahaemolyticus is one of the leading causative agents of human acute gastroenteritis and occur usually from the consumption of raw, undercooked, and cross-contaminated seafood products. They are inhabitants of … Read more

Coliform Bacteria- Characteristics, Examples, Identification

June 9, 2022May 25, 2022 by Prashant Dahal
Coliform Bacteria

Coliform bacteria are a group of Gram-negative, aerobic, and facultative anaerobic rod-shaped bacteria containing the enzyme – galactosidase that is capable of fermenting lactose-producing acid and gas. They are also … Read more

Enterobacteriaceae- Definition, Characteristics, Identification

May 27, 2022May 20, 2022 by Prashant Dahal
Enterobacteriaceae

Enterobacteriaceae is a family of Gram-negative rod-shaped (bacilli) bacteria in the order Enterobacterales of the class Gammaproteobacteria in the phylum Pseudomonadota. They are commonly found in the intestine of animals, … Read more

Eye and Ear Microbiota (Microbiome)- Normal Flora of Eye & Ear

May 21, 2022May 18, 2022 by Prashant Dahal
Normal Flora of Eyes and Ears

Normal floras are the microorganisms that live on the body surface or mucous membrane of a healthy individual without causing any infection. Normal flora includes bacteria and fungi that colonize … Read more

Normal Flora of Skin, Hair, and Nail- Human Skin Microbiome

May 21, 2022May 18, 2022 by Prashant Dahal
Normal Flora of Skin, Hair, and Nail

Normal floras are the microorganisms that live in our body in a relatively stable manner without causing any negative effect on the host’s body. These bacteria and fungi colonize in … Read more

Normal Flora (Microbiota) of Mouth and Gastrointestinal Tract

May 15, 2022 by Prashant Dahal
Normal Flora (Microbiota) of Mouth and Gastrointestinal Tract

Normal floras are the microorganisms that are constantly present in the skin and mucous membrane of every human without causing any infection in a healthy individual. Only bacteria and fungus … Read more

Urogenital Microbiota- Normal Flora of Urinary and Vaginal Tract

June 27, 2022May 14, 2022 by Prashant Dahal
Urogenital Microbiota- Normal Flora of Urinary and Vaginal Tract

Normal floras are the microorganisms (bacteria and fungi) that are constantly present in the skin and mucous membrane of every human in a relatively stable manner, either for a particular … Read more

Respiratory Microbiota- Normal Flora of Respiratory Tract

May 14, 2022May 12, 2022 by Prashant Dahal
Respiratory Microbiota- Normal Flora of Respiratory Tract

Normal floras are the microorganisms present in the skin and mucous membrane of every human in a relatively stable manner without causing any disease/infection in a healthy individual. They are … Read more

Common Pathogenic Bacteria Found in Stool

May 10, 2022May 8, 2022 by Prashant Dahal
Common Pathogenic Bacteria Found in Stool

The stool is undigested food material and other wastes produced in the digestion process and eliminated from the digestive tract through the anus/cloaca. Stool culture is a microbiological test done … Read more

Common Pathogenic Bacteria Found in Sputum

May 12, 2022May 7, 2022 by Prashant Dahal
Common Pathogenic Bacteria Found in Sputum

Sputum is thick mucus secreted by cells in the lower respiratory tract including bronchi, bronchioles, and lungs. It is also called phlegm. It is a commonly collected sample for laboratory … Read more

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