Week 5

Question 1

Neisseria

Answer 1

Non motile aerobe
Cocci
Chemoorganotrophic
Has capsules and pili

Question 2

Where does Neisseria grow

Answer 2

Mucous membrane of mammals

Question 3

Burkholderia

Answer 3

Aerobe
Mesophillic rods

Question 4

How are burkholderia motile

Answer 4

single/cluster flagella

Question 5

Burkholfrtis cepacia

Answer 5

Degrade more than 100 diff organic compounds
Also plant pathogen and causes hospital infections

Question 6

Bordetella

Answer 6

aerobe
require organic sulfur and nitrogen compounds for growth

Question 7

Bordetella pertussis

Answer 7

Non motile with capsule
infects epithelial cells of upper respiratory tracts of humans

Question 8

Bordetella bronchiseptica

Answer 8

Motile coccobacillus
cause kennel cough in dogs

Question 9

Nitrosomonadales

Answer 9

Nitrifying bacteria: Nitrosomonas, Nitrosococcus and Nitrosospira

Question 10

Order Hydrogenophilales

Answer 10

Thiobacillus

Question 11

Thiobacillus

Answer 11

chemolithotroph
most prominent colourless sulfur bacteria
not photosynthetic

Question 12

Uses a variety of reduced, inorganic sulfur compounds for energy and electron sources

Answer 12

Thiobacillus

Question 13

Thiobacillus denitrificans

Answer 13

Uses H2S and thiosulfate or ferrous iron as electron donors for an ETC-can cause denitrification Nitrate=acceptor

Question 14

Purple Sulfur bacteria

Answer 14

use reduced sulfur compounds as electron donors for ANOXYGENIC photosyntheis

Question 15

Order Pseudomonadales

Answer 15

straight or curved rods with polar flagella
chemoheterotroph

Question 16

Where are pseudomondales found

Answer 16

Plants, human bladder, fridge

Question 17

What do pseudomondales do

Answer 17

Mineralisation

Question 18

What causes bladder infections and food decay

Answer 18

Pseudomonadales

Question 19

Vibrionales

Answer 19

straight/curved rods
motile

Question 20

Which order uses D-glucose as an energy source

Answer 20

Vibrionales

Question 21

Vibrio cholera

Answer 21

pathogen-from fecal infected water

Question 22

Vibrio Fischeri

Answer 22

Biolumination-found in deep sea fish

Question 23

What could bioluminescence be used for in deep sea fish

Answer 23

light is used for attracting prey or to hide their shadow while swimming in shallow water

Question 24

Order: Enterobacteriales

Answer 24

facultative anaerobe
rods
Distinguised by absence of oxidase

Question 25

How do enterobacteriales do metabolism

Answer 25

-degrade sugars during the Embden-Meyerhof pathway

Question 26

What are the two classification groups for enterobacteriales using fermentation products

Answer 26

-mixed acid fermentation -Butanediol fermentation

Question 27

Mixed acid fermentation

Answer 27

produce lactic acid, acetic acid, succinate formic acid, CO2 and H2 Escherichia, Proteus, Salmonella, and Shigella

Question 28

Butanediol fermentation

Answer 28

Produce butanediol, ethanol and CO2-no acids enterobacter, Serratia, Erwinia, and Klebsiella

Question 29

Escherichia coli

Answer 29

pathogenic categorised into pathotypes

Question 30

Salmonella

Answer 30

Gastric fever and gastroenteritis

Question 31

Shigella

Answer 31

Bacillary dysentery

Question 32

Klebsiella

Answer 32

Pneumonia

Question 33

Yersinia

Answer 33

Plague

Question 34

Erwinia

Answer 34

Plant diseases

Question 35

Order: Desulfovibrionales

Answer 35

-anaerobes -found in water environments rich in sulfur

Question 36

Where is Desulfovibrionales found in Winogradsky column

Answer 36

Bottom of column

Question 37

Order: Bdellovibrionales

Answer 37

Predatory organism of other gram neg bacteria

Question 38

Order: Myxococcales

Answer 38

Soil bacterias Complex life lifecycle characterised by production of fruiting bodies and dorman myxospores

Question 39

Class: Epsilon-proteobacteria

Answer 39

gram neg rods

Question 40

Order: Campylobacter

Answer 40

Can be both pathogenic and non pathogenic Campylobacter fetus-causes abortion in sheep and cattle and speticemia and enteritis in humans

Question 41

Helicobacter pylori

Answer 41

-Human stomach -causes gastritis and peptic ulcers -produce large quantities of urease contributes to how pathogenic an organism is