Gram-negative; Proteobacteria

Question 1

Genus Pelagibacter

Answer 1

Phylum Proteobacteria
Gram-negative
20% of all prokaryotes in ocean
Most common phylum on earth

Question 2

Genus Caulobacter

Answer 2

Phylum Proteobacteria
Gram-negative
Prosthecate bacteria
Found in soil and water
Stalked and swarming cells

Question 3

Genus Hyphomicrobium

Answer 3

Phylum Proteobacteria
Gram-negative
Prosthecate bacteria
Found in soil and water
Budding cells

Question 4

Genus Brucella

Answer 4

Phylum Proteobacteria
Gram-negative
Interacellular parasite
Causes brucellosis
Cells can survive phagocytosis

Question 5

Genus Erlichia

Answer 5

Phylum Proteobacteria
Gram-negative
Interacellular parasite

Question 6

Genus Rickettsia

Answer 6

Phylum Proteobacteria
Gram-negative
Interacellular parasite
Transmitted by arthropods
Causes Rocky Mountain spotted fever

Question 7

Genus Wolbachia

Answer 7

Phylum Proteobacteria
Gram-negative
Insect host
Undergo parthenogenesis

Question 8

Genus Burkholderia

Answer 8

Phylum Proteobacteria
Gram-negative
Nosocomial infection
Common in hospitals

Question 9

Genus Bordetella

Answer 9

Phylum Proteobacteria
Gram-negative
Causes whooping cough

Question 10

Genus Neisseria

Answer 10

Phylum Proteobacteria
Gram-negative
Common pathogens
Cocci
N. gonorrhea and N. meningititis cause gonorrhea and meningitis

Question 11

Genus Psuedomonas

Answer 11

Phylum Proteobacteria
Gram-negative
Nitrogen cycle

Question 12

Genus Legionella

Answer 12

Phylum Proteobacteria
Gram-negative
Causes Legionnaire’s Disease
Flu-like symptoms

Question 13

Genus Coxiella

Answer 13

Phylum Proteobacteria
Gram-negative
Causes Q Fever
Have endospore-like body

Question 14

Genus Vibrio

Answer 14

Phylum Proteobacteria
Gram-negative
V. cholera causes Cholera
V. fisheri is responsible for bioluminescence in squid

Question 15

Order Enterobacteriales

Answer 15

Phylum Proteobacteria
Class Gammaproteobacteria
Gram-negative
Many are pathogens

Question 16

Genus Escherichia

Answer 16

Phylum Proteobacteria
Class Gammaproteobacteria
Order Enterobacteriales
Gram-negative
UTIs and E. coli

Question 17

Genus Salmonella

Answer 17

Phylum Proteobacteria
Class Gammaproteobacteria
Order Enterobacteriales
Gram-negative
Common in birds
Foodborne illness

Question 18

Genus Shigella

Answer 18

Phylum Proteobacteria
Class Gammaproteobacteria
Order Enterobacteriales
Gram-negative
Very serious intestinal pathogen in humans
Cannot distinguish from E. coli, even through DNA

Question 19

Genus Enterobacter

Answer 19

Phylum Proteobacteria
Class Gammaproteobacteria
Order Enterobacteriales
Gram-negative
Water, sewage, soil
UTIs

Question 20

Genus Klebsiella

Answer 20

Phylum Proteobacteria
Class Gammaproteobacteria
Order Enterobacteriales
Gram-negative
Soil and water

Question 21

Genus Serratia

Answer 21

Phylum Proteobacteria
Class Gammaproteobacteria
Order Enterobacteriales
Gram-negative
Pneumonia and UTIs

Question 22

Genus Proteus

Answer 22

Phylum Proteobacteria
Class Gammaproteobacteria
Order Enterobacteriales
Gram-negative
Highly motile
Swarming colonies
UTIs

Question 23

Genus Yersinia

Answer 23

Phylum Proteobacteria
Class Gammaproteobacteria
Order Enterobacteriales
Gram-negative
Y. pestis (plague) 
Killed around 100 million people in Roman empire (60% of European population)
Spread by fleas, mice, and can be aerosolized
Prairie dogs carry it
Bioterrorism agent

Question 24

Genus Erwinia

Answer 24

Phylum Proteobacteria
Class Gammaproteobacteria
Order Enterobacteriales
Gram-negative
Plant pathogen
Causes soft rot

Question 25

Order Pasteurellales

Answer 25

``` Phylum Proteobacteria Class Gammaproteobacteria Gram-negative Human and animal pathogens Non-motile ```

Question 26

Genus Pasteurella

Answer 26

``` Phylum Proteobacteria Class Gammaproteobacteria Order Pasteurellales Gram-negative Saliva of Komodo dragons ```

Question 27

Genus Haemophilus

Answer 27

``` Phylum Proteobacteria Class Gammaproteobacteria Order Pasteurellales Gram-negative Require blood or heme in their medium ```

Question 28

Genus Myxococcus

Answer 28

Phylum Proteobacteria Class Deltaproteobacteria Gram-negative Spores

Question 29

Genus Campylobacter

Answer 29

``` Phylum Proteobacteria Class Epsilonproteobacteria Gram-negative Rod-shaped Curved or helical Foodborne illnesses ```

Question 30

Genus Helicobacter

Answer 30

``` Phylum Proteobacteria Class Epsilonproteobacteria Gram-negative Rod-shaped Curved or helical H. pylori causes ulcers ```