Article
Characterisation of the glnK-amtB operon and the involvement of AmtB in methylammonium uptake in Azorhizobium caulinodans.
Molecular & general genetics : MGG - 1 Jun 1998
Michel-Reydellet N, Desnoues N, de Zamaroczy M, Elmerich C, Kaminski P A
Abstract excerpt
This work reports the characterisation of the Azorhizobium caulinodans amtB gene, the deduced protein sequence of which shares similarity to those of several ammonium transporters. amtB is located downstream from glnK, a glnB-like gene. It is cotranscribed with glnK from an NtrC- and sigma54-dependent promoter. glnK and amtB insertion mutant strains have been isolated. Methylammonium uptake was assayed in these...
Topics
- Amino Acid Sequence
- Bacterial Proteins
- Base Sequence
- Carrier Proteins
- Cation Transport Proteins
- DNA-Binding Proteins
- DNA-Directed RNA Polymerases
- Escherichia coli Proteins
- Ion Transport
- Methylamines
- Molecular Sequence Data
- Mutation
- Nucleotidyltransferases