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Article

Characterization of the Campylobacter fetus sapA promoter: evidence that the sapA promoter is deleted in spontaneous mutant strains.

Journal of bacteriology - 1 Sept 1992

Tummuru M K, Blaser M J

Abstract excerpt

Wild-type Campylobacter fetus cells possess S-layer proteins (S+ phenotype), whereas after laboratory passage, spontaneous stable mutants that do not express these proteins (S- phenotype) arise. To determine the molecular mechanisms by which C. fetus changes to the S- phenotype, we studied wild-type strain 23D, from which the sapA gene encoding the 97-kDa S-layer protein has been cloned, and strain 23B, a...

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Methodology Data sources Editorial policy Privacy Delete account & data About Contact Helena Bioinformatics

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Identifiers

PMID: 1522068
DOI: 10.1128/jb.174.18.5916-5922.1992
PMCID: PMC207129

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Characterization of the Campylobacter fetus sapA promoter: evidence that the sapA promoter is deleted in spontaneous mutant strains.PMID 1522068Read ↗

Rearrangement of sapA homologs with conserved and variable regions in Campylobacter fetus.Semantic proximity Read ↗

Structure and genotypic plasticity of the Campylobacter fetus sap locus.Semantic proximity Read ↗

Segmental conservation of sapA sequences in type B Campylobacter fetus cells.Semantic proximity Read ↗

Generation of Campylobacter fetus S-layer protein diversity utilizes a single promoter on an invertible DNA segment.Semantic proximity Read ↗

Campylobacter fetus uses multiple loci for DNA inversion within the 5' conserved regions of sap homologs.Semantic proximity Read ↗

Conservation and diversity of sap homologues and their organization among Campylobacter fetus isolates.Semantic proximity Read ↗

Nested DNA inversion of Campylobacter fetus S-layer genes is recA dependent.Semantic proximity Read ↗

Cloning of a sapB homologue (sapB2) encoding a putative 112-kDa Campylobacter fetus S-layer protein and its use for identification and molecular genotyping.Semantic proximity Read ↗

Mechanisms underlying Campylobacter fetus pathogenesis in humans: surface-layer protein variation in relapsing infections.Semantic proximity Read ↗

Evidence that the Campylobacter fetus sap locus is an ancient genomic constituent with origins before mammals and reptiles diverged.Semantic proximity Read ↗

S-layer protein of Lactobacillus acidophilus ATCC 4356: purification, expression in Escherichia coli, and nucleotide sequence of the corresponding geneSemantic proximity Read ↗

Shift in S-layer protein expression responsible for antigenic variation in Campylobacter fetus.Semantic proximity Read ↗

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