Nodule Formation

Question 1

Nod

Answer 1

Nodulin genes
Isoflavanoids activate NodD protein
- transcription of nod genes

Question 2

nod

Answer 2

Nodulation genes
Host specific
nodD continually expressed
Nod factors are products - symbols for symbiosis
Lipochitin oligosaccharide signal molecules

Question 3

nod genes

Answer 3

nodA - addition of fatty acids
nodB - removes acetyl group from terminal sugar
nodC - links N-acetyl-D-glucosamide monomers