E. coli bacterium
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E. coli bacterium
Escherichia coli. Coloured transmission electron micrograph (TEM) of an Escherichia coli bacterium. E. coli are Gram-negative bacilli (rod-shaped) bacteria. Long flagellae (light blue) enable the bacterium to be motile; yellow filaments on the sides of the bacterium are pili, thin strands of protein used when two bacteria conjugate (DNA transfer). E. coli is a normal inhabitant of the human intestine. However, under certain conditions its numbers may increase causing infection. It can cause " travellers diarrhoea" and urinary tract infections such as cystitis. E.coli is widely used in genetic studies and genetic engineering
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6276469
© DR LINDA STANNARD, UCT/SCIENCE PHOTO LIBRARY
Bacteria Bacteria Causing Bacterial Bacteriology Bacterium Cystitis Diarrhoea Electron Micrograph Enterobacteria Escherichia Coli Flagella Flagellum Gastroenteritis Micro Organisms Microbe Microbes Pilus Transmission Type Micro Biology
EDITORS COMMENTS
This print showcases the intricate details of an Escherichia coli bacterium, commonly known as E. coli. The coloured transmission electron micrograph (TEM) highlights the distinct features of this Gram-negative bacilli bacteria. With its rod-shaped structure and long flagellae in a mesmerizing light blue hue, this bacterium possesses remarkable motility. The yellow filaments observed on the sides are pili, thin strands of protein essential for DNA transfer during bacterial conjugation. As a normal resident of the human intestine, E. coli plays a crucial role in maintaining our gut health. However, under certain circumstances, its population can multiply excessively and lead to infections. E. coli is notorious for causing ailments such as "travellers diarrhoea" and urinary tract infections like cystitis. Its ability to cause these conditions stems from its widespread presence and adaptability within our bodies. Beyond being a potential threat to human health, E. coli also holds immense significance in genetic studies and engineering projects due to its unique characteristics. Scientists utilize this versatile bacterium extensively to unravel mysteries surrounding genetics while exploring possibilities for genetic manipulation. This stunning image not only provides insight into the world of microbiology but also serves as a reminder that even seemingly insignificant organisms can have profound impacts on our lives.
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