Capsulation gene loss and 'rescue' mutations during the Cap+ to Cap- transition in Haemophilus influenzae type b.

doi:10.1099/00221287-137-11-2571

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Article

Capsulation gene loss and 'rescue' mutations during the Cap+ to Cap- transition in Haemophilus influenzae type b.

Journal of general microbiology - 1 Nov 1991

Brophy L N, Kroll J S, Ferguson D J, Moxon E R

Abstract excerpt

Genes for Haemophilus influenzae type b capsule expression are duplicated to form a potentially unstable structure, cap, of directly-repeated chromosomal regions of approximately 17 kb. Capsule-deficient mutants arise in a two-stage process, initiated by rec-dependent reduction of this region fro...

Topics

Bacterial Capsules
Blotting, Southern
Genotype
Haemophilus influenzae
Microscopy, Electron
Mutation
Phenotype
Restriction Mapping
Transformation, Bacterial

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