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Infectious Disases Microbiology > Gram Positive Non Spore Forming Bacilli > Flashcards

Gram Positive Non Spore Forming Bacilli Flashcards

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1
Q

What are the gram positive non spore forming bacilli?

A

Corynebacterium
Listeria
Erysipelothrix
Lactobacillus

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2
Q

Which GPNSFB are catalase +?

A

Corynebacterium

Listeria

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3
Q

Which GPNSFB are facultative anaerob?

A

Corynebacterium(aerobic conditions best)

Listeria

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4
Q

Which GPNSFB is MOTİLE?

A

Listeria

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5
Q

Which GPNSFB is MOTİLE ONLY AT ROOM TEMPERATURE?

A

Listeria

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6
Q

Listeria grows at ___ celcius

A

4

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7
Q

Which GPNSFB is a part of normal microbiata of animal and human and also animal,human,plant pathogen?

A

Corynbacterium

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8
Q

How is the microscopic appeareance of coryneobacterium?

A

Small pleomorphic
Metachromotic granules
Chinese letters
Spesific patterns (Izgara teli)

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9
Q

What is Metachromatic granule ?

A

=Babes-Ernst granule at the tips of bacteria

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10
Q

How can we differentiate C.diphteria from other diphteria causing agents?

A

Babes-Ernst granules

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11
Q

Which media and agar do we use in lab for Corynebacterium?

A

Cysteine tellurite blood agar(brown-black)

Loeffler’s Media(grayish-whitish)

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12
Q

What test do we use to identify if Corynebacterium produces toxin or not?

A

Toxigenity test(ELEK TEST)

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13
Q

Which is a spesific antigen for C.diphteria in corynebacterium species?

A

K antigen—> provides

antibacterial immunity&hypersensitivity

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14
Q

Describe Exotoxin (diphteria toxin)

A

AB toxin-
A part:Active part
B part:Binds to epitheliai cells

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15
Q

What does diphteria toxin cause?

A

INHIBITS PROTEİN SYNTHESİS AND FORMS A PSEUDOMEMBRANE

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16
Q

What is the pathogenesis of diphteria toxin?

A

İnhibits protein synthesis

17
Q

How can we differentiate streptococal and corynebacterium diphteria membranes?

A

When you attempt to remove the C.diphteria’s membrane formation is starts to bleed.

18
Q

What are the 2 different routes for C.diphteria?

A

Skin and lung

19
Q

What is the lab appereance of listeria?

A

Narrow beta hemolysis

Cold environment motility(25 celcius)

20
Q

Which Gram Positive non spor forming bacilli is facultative intracellular?

A

Listeria

21
Q

What is Listeriolysin O ?

A

MAİN VİRULENCE FACTOR OF LİSTERİA

22
Q

What does Listeriolysin O do?

A

Forms PORES ON RBC AND PHAGOSOMES

23
Q

Which GPNSFB has actin tail like shigella?

A

Listeria

24
Q

Who are the main risk groupes for Listeria?

A

Pregnants
Newborns
Elderly
İmmunosuppresed people

25
Q

What are the routes for Listeria?

A

1-Direct
2-Contaminated food
3-TRANSPLASENTAL

26
Q

Listeria effects pregnant people especiallhy at the __ rd trimester

A

3

27
Q

What are the EARLY AND LATE TYPE İNFECTİONS OF NEONATES?

A

E:İN UTERO
GRANULAMATOUS SEPTİCEMİA
L:AFTER-DURİNG BİRTH MENİNGİTİS,MENİNGOENCEPHALİTİS,ENCEPHALİTİS,SEPTİCEMİA

28
Q

Which Gram Positive Bacilli is OBLİGATE ANEROBİC AND HAS LOW VİRULENCE?

A

Lactobacillus

29
Q

How does Lactobacillus protect host from urogenital infections?

A

Glycogen—–>Lactic acid

ph decreased&proliferation of other microorganisms are inhibited

30
Q

Lactobacillus is a part of normal flora of ____

A

Female genital tract

31
Q

Corynebacteriumun invasive olmasını hangi virulance faktörler sağlat?

A

Surface K ANTİGEN

Glycolipid Core

32
Q

Which are the 2 ANTİBİOTİC RESİSTANCE CORYNEBACTERİUM?

A

C.jeikeium

C.urealyticum

33
Q

Which of the 2 bacteria can ALSO PRODUCE DİPHTERİA TOXİN OR PHOSPHOLİPASE D ?

A

C.pseudotuberculosis

C.ulserans

34
Q

Especially C.____ is an emerging NOSOCOMİAL İNFECTİON

A

Striatum

35
Q

C.striatum causes —->

A

Endocartidis
Lung/bone infections
DEVİCE İNFECTİONS
SEPTİC ARTRİTİS

Infectious Disases Microbiology (12 decks)

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