Catalase Pos. GPR- Bacillus Flashcards

1
Q

List two catalyst negative gPR’s

A

Lactobacillus and Erysipelothrix

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2
Q

When I going to find gram-positive rods it’s good to know which bacteria tend to be much larger

A

Bacillus tend to be much larger

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3
Q

Blank are the only aerobic endospore farmers

A

Bacillus

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4
Q

How would one differentiate between wisteria and group B beta-hemolytic streptococci

A

Listeria is catalase positive, group B beta hemolytic streptococci are catalase negative

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5
Q

Name to gram-positive rods that are motile

A

Listeria and bacillus

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6
Q

On what media would you look for Hydrogen sulfide production

A

TSI

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7
Q

Anthrax, etiological agent…

A

Bacillus anthracis

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8
Q

Bacillus cereus is the etiological agent for…

A

Food poisoning

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9
Q

Describe what bacillus would look like under the microscope

A

Large purple box the rods

however note: older cells tend to stain gram-negative

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10
Q

Most of the species are blank and highly blank

A

Beta hemolytic, Motile

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11
Q

The most common route of infection with bacillus anthracis is…

A

From infected animal

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12
Q

The most common sign of anthrax

A

Esschar lesion

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13
Q

Anthrax is spread via blank

A

Endospores

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14
Q

Blank are essential for the virulence of anthrax

A

Siderophores and Iron heme scavengers

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15
Q

List three catalase positive GPR’s

A

Corynebacterium, Listeria, bacillus

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16
Q

2 virulence plasmids of anthrax

A

PXO1 and pXO2

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17
Q

Blank contains genes needed for synthesis of poly glutamic acid capsule

A

pXO2

18
Q

Blank protects anthrax against phagocytic killing

A

pXO2

19
Q

Blank contains genes encoding two anthrax toxins

A

pXO1

20
Q

pXO1 consists of what three genes

A

PagA, lef, cya

21
Q

Anthrax Genes PAG A

A

Protective antigen (PA)

22
Q

Anthrax Genes Lef

A

Lethal factor (LF)

23
Q

Anthrax genes CYA

A

Edema factor (EF)

24
Q

Blank is a transcriptional activator of anthrax toxins

A

AtxA

25
Q

Blank is a transcription repressor of anthrax toxins

A

PagR

26
Q

The B subunit of anthrax toxins is the blank

A

PA (protective antigen)

27
Q

The A subunit of anthrax edema toxin is blank factor which is a blank

A

Edema factor, a calmodulin dependent adenylate cyclase

28
Q

The A subunit of anthrax lethal toxin is blank factor which is a blank

A

Lethal factor, a zinc metalloprotease

29
Q

Anthrax lethal toxin causes…

A

Cell death

30
Q

Anthrax Edema toxin causes…

A

Edema is surrounding tissue

31
Q

Lethal toxin targets blank and blank

A

Cardiomiocytes and vascular smooth muscle cells

32
Q

Edema toxin targets a blank in the blank

A

Hepatocytes in the liver

33
Q

Bacillus cereus is The etiological agent of blank and blank

A

Ocular infections and food poisoning

34
Q

Emetic

A

Short incubation period

35
Q

Bacillus cereus diarrheal food poisoning is due to blank and or blank

A

Heat labile enterotoxin Nhe and HBL

36
Q

Bacillus cereus emetic food poisoning is due to blank made by blank

A

Cereulide (ETE), cereulide synthetase (ces)

37
Q

Bacillus cereus s layer binds…

A

ECM components

38
Q

Bacillus cereus virulence factors are regulated by…

A

Global regulatory PlcR

39
Q

Model GRP organism to study sporulation…

A

Bacillus subtilis

40
Q

Bacillus anthracis has nonsense mutation in blank that don’t allow specific mutations found in bacillus cereus

A

PlcR