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57 Cards in this Set

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Appears as partially acid fast

Nocardia

Appears as a gram ghost after gram staining

Mycobacterium

Acid fast staining technique bacterias

* Mycobacterium


* Cryptosporidium


* Isopora


* Cystospora


* Nocardia


* Legionalla micdadei


* Rhodococcus specie

Primary stain (Acid-fast) [AF:NAF]

Carbol fuschin [Red:Red]

Mordant (Acid-fast) [AF:NAF]

Tergitol/Physical steam [Red:Red]

Decolorizer (Acid-fast) [AF:NAF]

Acid alcohol (0.5-1% or 3%) [Red:Colorless]

Secondary stain (Acid-fast) [AF:NAF]

Methylene blue / Malcchite green [Red:Blue/Green]

Acid fast bacilli stain technique can be fixed by with your?

Slide warmer at 65C for 2hours

Mordant (ZN&K)

Physical heat/steam : Tergitol

Decolorization (ZN&K)

Acid alcohol (0.05-1% or 3%) : **SAME**

Primary stain (ZN&K)

Carbol fuschin

"Hot method"

Ziehl-Neelsen

"Cold method"

Kinyoun

Acid fast organism in tissues

Kinyoun

Uses HNO3-alcohol or H2SO4-alcohol as decolorizer

Modified kinyoun

Differentiates Mycobacterium smegmatis(-) from Mycobacterium tuberculosis(+)

Pappenheim's Method

Differentiates Mycobacterium leprae (+) from Mycobacterium tuberculosis (-)

Baumgarten Method

Selective for the cell wall of AFB

Auramine-rhodamine Method

Special Stains

1. Capsule


2. Flagella


3. Metachromatic Granules


4. Spores


5. Glycogen vacuoles


6. Mitochondria


7. Spirochetes

Give some stains under Capsule stain

1. Hiss stain


2. Tyler capsule


3. Welch's capsule staling


4. Grin's stain


5. Anthony's stain

Give some stains under Flagella

1. Leifson stain,


2. Gray's method


3. Caesares Gil method


4. Loeffler's method


5. Van Ermenger Method


6. Fisher and Cohn method

Give some stains under Metachromatic granules

1. Albert


2. Neisser


3. Ponder


4. Ljubensky method


5. Loeffler's alkaline methylenee blue (LAMB)

Give some stains under Spores

1. Schaeffer-Fulton


2. Heartr and acetic acid method


3. Dorner's spore stain


4. Wirtz method

Give some stains under Glycogen values

Iodine or periodic acid schiff (PAS)

Give some stains under mitochondria

Janus Green B

Give some stain under Spirochetes

Fontana-Tribondeau

Motility

1. Vibrio


2. Listeria


3. Mycoplasma


4. Proteus mirabilis & Protees vulgaris


Motile bacteria

1. Alcaligenes


2. Bacillus cereus


3. Bacillus subtilis


4. Campylobacter


5. Corynebacterium


6. Clostridium botulinum


7. Clostridium tetani


8. Escherichia coli


9. Listeria


10. Proteus


11. Providencia


12. Pseudomonas


13. Salmonella


14. Vibrio

Non-motile bacteria

1. Bacillus antrax


2. Bordetella


3. Brucella


4. Clostridium perfringens


5. Corynbacterium diphtheriae


6. Erysepelothrix


7. Hemophilus


8. Klebsiella pneumoniae


9. Mycobacterium tuberculosis


10. Neisseria


11. Pasturella


12. Shigella


13. Staphylococci


14. Streptococci

With inclusion bodies bacteria

1. Corynebacterium


2. Mycobacterium


3. Nocardia and Actinomyces


4. Pasteurella & Bordetella

Baterias with capsule

1. Bacillus anthracis


2. Klebsialla pneumoniae


3. Pasturella


4. Streptococcus pneumoniae

Bacterias with spore

1. Bacillus


2. Clostridium

Bacterias with pili

1. Neisseria


2. Pseudonomas

Indirect approaches

1. Electrophoretic mobility


2. Antibodies


3. Immunologic


4. Enzymes

Determine amino acid sequence of proteins with the same fuction

Direct approach

Relationships at species and subspecies level

Electrophoretic mobility

Can discriminate between very similar proteins

Antibodies

Compare proteins from different microorganinsms

Immunologic

Reflects amino acid sequence

Enzymes

Darting motility

Vibrio

Tumbling motility

Listeria

Gliding motility

Mycoplasma

Swarming motility

Proteus mirabilis & Proteus vulgaris

reflects the base sequence

G+C content

Determined from melting temperature

G+C content

The greater the G+C content, the higher the ____?

Melting point

The use of _____ for Nucleic acid base with a wavelength of ____?

Spectrophotometer : UV light with 260nm

Why is 70% alcohol more efficient in killing bacteria than 90%

Because it contains 30% water (water kill proteins present in the bacteria)

If a mixture of single-stranded DNA formed by heating dsDNA is cooled and held at a temperature about 25C below Tm

Nucleic acid hybridization

While non-compementary strands will remain ____

single

are the most ideal for studies of microbial evolution and relatedness

rRNA

Replication of genetic information

1. Unwinding


2. Unzipping


3. Synthesis of new DNA


4. Termination of Replication

for enzymes and cofactors to act on the DNA molecules

unwinding

DNA polymerase opens the replication fork

Unzipping

Each parents strand serves as a template from which a complementary strand is produced

Sythesis of the new DNA

Occurs when 2 replication forks meet

Termination of replication

Okazaki fragments

Termination of replication (3' to 5')