M3 L9

Question 1

Mobile genetic elements

Answer 1

the agents of horizontal gene transfer

Question 2

pangenome

Answer 2

core genome + accessory genome

Question 3

core genome

Answer 3

-located on chromosome(s)
- essential genes conserved in all members of a species

Question 4

accessory genome

Answer 4

-located on mges
- non-essential genes of variable occurrence through a bacterial species
- acquired through horizontal gene transfer

Question 5

important plasmid-encoded phenotypes

Answer 5

-antibiotic and bacteriocin synthesis (and resistance)
- virulence
- symbiotic nitrogen fixation

Question 6

things plasmids must do

Answer 6

• replicate
• keep host happy
• segregate
• control host
• spread

Question 7

oriV

Answer 7

origin of vegetative replication
- where DNA rep begins

Question 8

rom

Answer 8

inhibitor protein gene required for copy number control
- encodes rop protein

Question 9

RepF1A

Answer 9

determines vegetative replication in F plasmids
- includes oriV
- allows 1-2 plasmids per cell

Question 10

par

Answer 10

partitioning loci