Bacterial structure and Classification

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Bacterial structure and Classification by Mind Map: Bacterial structure and Classification

1. References

1.1. Tortora, J. G. (2013). Fundamentals of Microbiology (9th ed.). Retrieved from file:///C:/Users/rafae/Downloads/Microbiology%20-%20An%20Introduction%20(11th%20Ed).pdf

2. Structure

2.1. Glicocalix (antigen K)

2.1.1. Types

2.1.1.1. Capsule (organized and is firmly attached)

2.1.1.2. Slime layer (unorganized and only loosely attached)

2.1.2. Functions

2.1.2.1. Bacterial virulence

2.1.2.2. Attachment

2.1.2.3. Source of nutrition

2.1.2.4. Protect against dehydration

2.1.2.5. Invasion

2.1.2.6. Antiphagocytosis

2.1.3. Composition

2.1.3.1. Polysaccharide

2.1.3.2. Polypeptide

2.2. Flagella (antigen H)

2.2.1. Classification

2.2.1.1. Atrichous (no flagella)

2.2.1.2. Peritrichous (over the entire cell)

2.2.1.3. Polar (one or both poles)

2.2.1.3.1. Monotrichous (single flagellum)

2.2.1.3.2. Lophotrichous (tuft of flagella coming from one pole)

2.2.1.3.3. Amphitrichous (flagella at both poles)

2.2.2. Parts

2.2.2.1. Filament (long outermost region)

2.2.2.2. Hook

2.2.2.3. Basal body (anchors the flagellum to the cell wall)

2.2.3. Functions

2.2.3.1. Attachment

2.2.3.2. Movement

2.2.3.2.1. Taxis (stimulus)

2.2.3.2.2. Motility

2.2.3.3. Antigenicity

2.2.4. Composition

2.2.4.1. flagellin

2.3. Fimbriae

2.3.1. Composition

2.3.1.1. Pilin

2.3.2. Function

2.3.2.1. Attachment

2.3.3. Types

2.3.3.1. 1

2.3.3.1.1. Mucose (Biofilmas)

2.3.3.2. 2

2.3.3.2.1. Any type of cell

2.4. Pili

2.4.1. Composition

2.4.1.1. Pilin

2.4.2. Function

2.4.2.1. Transfer DNA

2.5. Cell Wall

2.5.1. Functions

2.5.1.1. Protection

2.5.1.2. Antigenicity

2.5.1.3. Resistance against osmotic variations

2.5.1.4. Cellular divisions

2.5.2. Composition

2.5.2.1. peptidoglycan

2.5.2.1.1. N-acetylglucosamine

2.5.2.1.2. N-acetylmuramic acid

2.5.2.1.3. polypeptides

2.5.2.2. teichoic acids

2.5.2.3. lipoteichoic acid

2.5.3. Gram-positive

2.6. Lipopolysaccharide

2.6.1. Composition

2.6.1.1. lipids

2.6.1.1.1. Lipid A

2.6.1.2. core polysaccharide

2.6.1.3. O polysaccharide

2.6.1.3.1. Antigen O

2.6.2. Gram-negative

3. Classification

3.1. Shape

3.1.1. coccus

3.1.1.1. diplococci

3.1.1.2. streptococci

3.1.1.3. tetrads

3.1.1.4. sarcinae

3.1.1.5. staphylococci

3.1.2. bacillus

3.1.2.1. single bacilli

3.1.2.2. Diplobacilli

3.1.2.3. streptobacilli

3.1.3. spiral

3.1.3.1. vibrios

3.1.3.2. spirilla

3.1.3.3. spirochetes

3.2. Genetically

3.2.1. monomorphic

3.2.2. pleomorphic

3.3. Metabolism

3.3.1. Aerobic

3.3.2. Anaerobic

3.3.3. Facultative

3.4. Cell Wall

3.4.1. Gram-positive

3.4.2. Gram-negative