Round One Presentations

Question 1

How do evolutionary novelties come up?

Answer 1

1. domain shuffling
2. altered regulation
3. duplication

Question 2

Can E. coli grow aerobically on citrate?

Answer 2

No

Question 3

Lenski experiment

Answer 3

12 populations of E. coli grown on citrate abundant evolved to be able to aerobically utilize citrate

Question 4

How do they think the E. coli evolved to do this?

Answer 4

1. epistatic interaction (Cit+ required previous mutation)
2. increased the rate of mutation