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Cellular Structures and Pathogenicity - School Essays

Cellular Structures and Pathogenicity

Sherri Saylor
Microbiology
SC2730
Unit 2. Assignment 1

Cellular Structures and Pathogenicity

After research I have concluded that these 3 different structures all affect the pathogenicity of bacteria cells in different ways; (pilus) fimbria, slime layer, and flagellum. In order to understand reasoning better one must be able to define pathogenicity. What is pathogenicity? Pathogenicity is the ability of an organism to cause disease. These are also known as virulence factors or the ability to cause disease. Virulence factors do several things: they help bacteria to invade their host, are disease causing, and help to evade their host defenses. The flagella provide swimming ...

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slime layer when the material is unorganized and poorly attached. However, the two play equally important roles. I personally feel that this is the most interesting of the three listed above. The capsule and/or slime layer performs so many functions for the cell.

The slime layer is appropriately named as the slime layer because that is exactly what it does. One of its most important tasks is to be its slimy little self and to protect the whole capsule from drying out. In this scenario I think it's safe to rhyme and say that "if you're dry you die". That one task is so important because if the cell were to dry up there would be no cell or not much of one anyways, it would shrivel up to nothing. The capsule also traps nutrients. Like the vast majority of living things on our planet we all need nutrients to grow.

The slime layer also resists phagocytic engulfment. If a pathogen were to attempt to breach the hosts surface defense team it would have to surpass the hosts ...

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PAPER DETAILS
Added: 10/21/2013 11:00:37 PM
Submitted By: shaelo81
Category: Health & Medicine
Type: Premium Paper
Words: 612
Pages: 3

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