Article
Mutation of an alternative sigma factor in the cyanobacterium Nostoc punctiforme results in increased infection of its symbiotic plant partner, Anthoceros punctatus.
Journal of bacteriology - 1 Sept 1998
Campbell E L, Brahamsha B, Meeks J C
Abstract excerpt
An alternative group 2 sigma factor was identified in the nitrogen-fixing, symbiotically competent cyanobacterium Nostoc punctiforme and designated sigH. Transcription of sigH was specifically induced within 1.5 h following exposure of N. punctiforme to its symbiotic plant partner, Anthoceros pun...
Topics
- Amino Acid Sequence
- Cyanobacteria
- Molecular Sequence Data
- Mutation
- Open Reading Frames
- Phenotype
- Plants
- Sigma Factor
- Symbiosis
- Transcription, Genetic