Aeromonas, Vibrio, Campylobacter

Question 1

Aeromonas majorly effect what group of animals?

Answer 1

Aquatic and marine bacteria-fish pathogens

Question 2

Characteristics of Aeromonas

Answer 2

Hemolytic, facultative anaerobes, some motile, grey colonies on blood agar, can grow at lower temps and like cooler temps in watery environments

Question 3

Aeromonas Affects what species and does what

Answer 3

Fish, reptiles, and sometimes mammals
Red leg in frogs
Mouth rot/necrotic stomatitis in snakes and reptiles
Hemorrhagic septicemia and ulcers in fish
Neonatal septicemia, mastitis, diarrhea, abortion in mammals

Question 4

Is Aeromonas Zoonotic?

Answer 4

Kinda- food poisoning, infections of wounds and septicemia in immunocomprimised but not sure if same strain that makes fish sick

Question 5

Aeromonas Virulence

Answer 5

Opportunistic pathogen with stress big factor
Hemolysis- break down blood
Hyaluronidase- tissue damage
Collagenase- collagen degradation
Phospholipases to break down fat
All together liquifies tissue

Question 6

Vibrio characteristics

Answer 6

Need high salt for growth, catalase positive, facultative anaerobes, most are motile, lower temps

Question 7

Vibrio cholarae infects

Answer 7

Humans
01 types- cholera- rice water diarrhea
Non 01- causes diarrhea- fish and shellfish

Question 8

Vibrio parahaemolyticus and V. vulnificus infects what and does?

Answer 8

Septicemia and wound infections and food poisoning in humans. Also associated with water/fish (seafood food poisoning)
Especially in compromised host

Question 9

Listonella aka vibrio anguillarum infect what and causes what?

Answer 9

Skin necrosis disease in saltwater eels and fish

Question 10

Photobacterium does what

Answer 10

Bioluminescence in fish

Question 11

Are vibrio organisms zoonotic?

Answer 11

yes for fish accommodated ones- V. parahaemolyticus and V. vulnificus and Cholera is an environmental problem

Question 12

Campylobacter characteristics

Answer 12

Motile by sheathed flagellum with wet, spreading/smearing colonies
Microaerophilic (special cultures needed)

Question 13

Campylobacter is found where

Answer 13

In intestinal tract of mammals and birds and aquatic environment

Question 14

Campylobacter fetus Causes what in what

Answer 14

Endometritis and abortions

Infection in bull penis

Question 15

Campylobacter Fetus diagnosis

Answer 15

Culture fetal stomach contents of aborted fetus

Question 16

Campylobacter fetus ssp. fetus causes what in what

Answer 16

Abortions in cattle and sheep and risk for abortions and premature labor in humans and also aneurysms

Question 17

Campylobacter hyointestinalis causes what in what

Answer 17

Swine proliferative enteritis

Tissue of gut becomes necrotic and thickened with hemorrhage in pigs

Question 18

Campylobacter jejuni causes what in what

Answer 18

Diarrhea in dogs, cats, foals, and humans and winter dysentery? in adult cattle

Question 19

Campylobacter jejuni is normal flora in what

Answer 19

Cattle, sheep, pigs, poultry, wild animals, and in streams and fresh water

Question 20

Is Campylobacter jejuni zoonotic

Answer 20

Yes

Question 21

Campylobacter jejuni is linked to what in regards to puppies

Answer 21

Diarrhea in puppies from puppy mills and pet stores

Question 22

Other things that look like Campylobacter jejuni and how do you tell difference

Answer 22

E. Coli or salmonella

Jejuni had gull wing shape on smears on stained fecal smear

Question 23

Gullain- Barre syndrome is what and causes by what

Answer 23

Flaccid paralysis- acute demyelination’s neuropathy
Causes by Campylobacteriosis and often after a recent history of enteritis, often seen in college aged males (can’t cook)

Question 24

Campylobacter hepaticus causes what in what

Answer 24

Slow down production of eggs in birds
Degeneration of liver but mortality low
Disappeared in 60s but coming back again

Question 25

What is the discovery void

Answer 25

The time since 1987 when no antibiotics have been created.