MICROBIOLOGY SPECIAL

SOURCE OF INFECTION

Listeria- Refrigereted food (also Listeria only GPB with LPB causing Endotoxic Shock)

Legionella-Water aerosol from airconditioner or cooler (History always speaks of a professor in a convention)

P.multocida -Animal bite

Clostridium - Canned food (botulinum toxin)

Gastro enteritis within 6 hr - Preformed staphylococcal toxin

Gastroenteritis within 6-8 hr with vomitting prominently - B. cereus ( H/O Rice Intake)

Bloody Diarrhea 3-5 days after UNCOOKED Hamburger - E.Coli

Leptospirosis - Rats, reservoir, Rainfall - 3Rs

CULTURE MEDIAS1. Levinthal & Mannitol salt agar: Staphylococcus Aureus

2. Crystal Violet blood agar: Streptococcus pyogenes

3. Loeffler's serum slope & Potassium tellurite blood agar: Corynebacterium diphtheriae

4. Saboraud's dextrose agar: Nocardia

5. Robertson cooked meat medium: All Anaerobic bacteria

6. PLET medium: Bacillus Anthracis

7. Thayer martin or New york city medium: Gonococcus & Meningococcus

8. MacConkey's agar: All Enterobactericeae

9. Selenite F Broth & Tetrathionate broth: Salmonella and shigella

10. Bordet gengue medium: Bordetella pertussis

11. Castneda method: Brucella

12. Cetrimide or dettol agar: Pseudomonas

13. Lowenstein jensen (L-J medium) or dorset egg medium: Mycobacterium Tuberculosis

14. PPLO medium: Mycoplasma

15. skirrow's medium: H.pylori

HYPERSENSITIVITY REACTIONS:

A.C.I.D

Type 1-Anaphylaxis A

Type 2-Cytotoxic C

Type 3-Immune complex mediated I

Type 4-Delayed hypersensitivity D

animals used 2 cultivate leprae

m-mouse

a-armadillos

m-monkeys

c-chimpanzee

h-hamsters

e-european hedgehog

l-loris

p-pangolin

AEROBIC BACTERIA

B.ANTHRACIS

B.PERTUSSIS

BRUCELLA

KLEBSIELLA

LISTERIA

MYCOBACTERIA

NOCARDIA

NEISSERIA

PSEUDOMNAS

PROTEUS

PASTEURELLA

V.CHOLERAE

Antibiotics and Ribosome Subunits

Buy AT 30, CELL at 50:

Buy AT 30:

A= aminoglycosides

T= tetracycline

CELL at 50:

C= Chloramphenicol

E= Erythromycin

L=Linezolid

L= cLindamycin

BASH-Latent infections

Latent infections are possible in:

B-Brill zinser disease A-Ankylostoma, S-Slow virus infection, H-Herpes zoster

Bile stained eggs

TAsTe

A = Ascaris lumbricoides

T = Trichuris trichura

T = Tenia species

capsule seen in..

Strep pneumonia

Bacteroides

H. influenza

Anthrax (B. anthracis)

E. coli

Pasteurella

Salmonella

Menigitidis (N. Menigitidis)

Yersinia pestis

Pseudomonas

Francisella

Brucella

Klebsiella

pneumoccus

Bacteria that increase cAMP

Increase cAMP: CAPE

Cholera

Anthracis

Pertussis

E.coli

coagulase negative staph and novobiocin

NOVOBIOCIN RESISTANCE IN SAPROPHYTICS (STAPHYLOCOCCUS SAPROPHYTICUS)

THE OTHER COAGULASE NEGATIVE STAPH i.e. STAPH EPIDERMIDIS IS OPPOSITE of it =NOVOBIOCIN SENSITIVE

dimorphic fungi :

C:COCCCIDIODES

A:ASPERGILOSSIS

S:SPOROTRIX SHENCKII

H:HISTOPLASMA

B:BLASTOMYCES

components of mc conkey:PLANT

p=peptone

l=lactose

a=agar

n=neutral red

BFP-syphilis

conditions in which BFP reaction occurs----- M THRIL

H-hepatitis

I-infectious mononucleosis

T-tropical eosinophilia

L-leprosy(specially Lepromatous)

R-relapsing fever

M-malaria

DNA viruses

1)All DNA viruses r HHAPPPy viruses-

Hepadna,

Herpes,

Adeno,

Pox,

Parvo,

Papova.

2)All r double stranded EXCEPT-Parvo(ie part of a virus-single stranded)

3)All r linear EXCEPT -Papova & Hepadna(circular)

4)All r icosahedral EXCEPT-Pox(complex)

5)All replicate in nucleus EXCEPT-Pox(in cytoplasm as it carries its own DNA dependent RNA polymerase)

6)Naked DNA viruses -PAP

Parvo,Adeno,Papova

7)HPH-enveloped viruses