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Characteristics of Microbes

Characteristics of Microbes. Prokaryote microscopic, unicellular organisms lack nuclei and membrane-bound organelles. Bacterial Structures. Flagella Pili Capsule Plasma Membrane Cytoplasm Cell Wall Lipopolysaccharides Teichoic Acids Inclusions Spores.

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Characteristics of Microbes

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  1. Characteristics of Microbes

  2. Prokaryote • microscopic, unicellular organisms • lack nuclei and membrane-bound organelles

  3. Bacterial Structures • Flagella • Pili • Capsule • Plasma Membrane • Cytoplasm • Cell Wall • Lipopolysaccharides • Teichoic Acids • Inclusions • Spores Chapter 4

  4. How to Make a Dichotomous Key From a Table of Bacterial Characteristics(for use in running the minimum number of tests in identifying an unknown bacterium)

  5. Table of Characteristics for Eight Bacteria

  6. Dichotomous Key to Identifying Eight Bacteria Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Streptococcus pneumoniae Aeromonas hydrophila

  7. Table of Characteristics for Eight Bacteria Table of Characteristics for Eight Bacteria

  8. Table of Characteristics for Eight Bacteria Table of Characteristics for Eight Bacteria

  9. Dichotomous Key to Identifying Eight Bacteria Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Streptococcus pneumoniae Aeromonas hydrophila Gram stain negative positive Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Aeromonas hydrophila Streptococcus pneumoniae

  10. Table of Characteristics for Eight Bacteria

  11. Dichotomous Key to Identifying Eight Bacteria Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Streptococcus pneumoniae Aeromonas hydrophila Gram stain negative positive Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Aeromonas hydrophila Streptococcus pneumoniae Galactose fermentation positive negative Alcaligenes faecalis Citrobacter freundii Aeromonas hydrophila Pseudomonas fluorescens

  12. Table of Characteristics for Eight Bacteria

  13. Dichotomous Key to Identifying Eight Bacteria Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Streptococcus pneumoniae Aeromonas hydrophila Gram stain negative positive Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Aeromonas hydrophila Streptococcus pneumoniae Galactose fermentation positive negative Alcaligenes faecalis Citrobacter freundii Aeromonas hydrophila Pseudomonas fluorescens H2S production positive negative Aeromonas hydrophila Alcaligenes faecalis

  14. Table of Characteristics for Eight Bacteria

  15. Dichotomous Key to Identifying Eight Bacteria Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Streptococcus pneumoniae Aeromonas hydrophila Gram stain negative positive Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Aeromonas hydrophila Streptococcus pneumoniae Galactose fermentation positive negative Alcaligenes faecalis Citrobacter freundii Aeromonas hydrophila Pseudomonas fluorescens H2S production Litmus milk positive negative acid alkaline Aeromonas hydrophila Alcaligenes faecalis Citrobacter freundii Pseudomonas fluorescens

  16. Table of Characteristics for Eight Bacteria

  17. Dichotomous Key to Identifying Eight Bacteria Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Streptococcus pneumoniae Aeromonas hydrophila Gram stain negative positive Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Aeromonas hydrophila Streptococcus pneumoniae Acid-fast staining Galactose fermentation acid fast not acid fast positive negative Mycobacterium smegmatis Corynebacterium xerosis Mycobacterium leprae Streptococcus pneumoniae Alcaligenes faecalis Citrobacter freundii Aeromonas hydrophila Pseudomonas fluorescens H2S production Litmus milk positive negative acid alkaline Aeromonas hydrophila Alcaligenes faecalis Citrobacter freundii Pseudomonas fluorescens

  18. Table of Characteristics for Eight Bacteria

  19. Dichotomous Key to Identifying Eight Bacteria Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Streptococcus pneumoniae Aeromonas hydrophila Gram stain negative positive Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Aeromonas hydrophila Streptococcus pneumoniae Acid-fast staining Galactose fermentation acid fast not acid fast positive negative Mycobacterium smegmatis Corynebacterium xerosis Mycobacterium leprae Streptococcus pneumoniae Alcaligenes faecalis Citrobacter freundii Aeromonas hydrophila Pseudomonas fluorescens Catalase produced H2S production Litmus milk positive negative acid alkaline positive negative Aeromonas hydrophila Alcaligenes faecalis Citrobacter freundii Pseudomonas fluorescens Mycobacterium leprae Mycobacterium smegmatis

  20. Table of Characteristics for Eight Bacteria

  21. Dichotomous Key to Identifying Eight Bacteria Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Streptococcus pneumoniae Aeromonas hydrophila Gram stain negative positive Alcaligenes faecalis Mycobacterium smegmatis Citrobacter freundii Mycobacterium leprae Pseudomonas fluorescens Corynebacterium xerosis Aeromonas hydrophila Streptococcus pneumoniae Acid-fast staining Galactose fermentation acid fast not acid fast positive negative Mycobacterium smegmatis Corynebacterium xerosis Mycobacterium leprae Streptococcus pneumoniae Alcaligenes faecalis Citrobacter freundii Aeromonas hydrophila Pseudomonas fluorescens Catalase produced Hemolysis H2S production Litmus milk positive acid alkaline negative positive negative positive negative Aeromonas hydrophila Citrobacter freundii Pseudomonas fluorescens Alcaligenes faecalis Mycobacterium leprae Mycobacterium smegmatis Streptococcus pneumoniae Corynebacterium xerosis

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