GSBS Student Publications

Title

Genetic analysis of the 9.5-kilobase virulence plasmid of Yersinia pestis

Publication Date

1988-10-01

UMMS Affiliation

Graduate School of Biomedical Sciences; Department of Molecular Genetics and Microbiology

Document Type

Article

Disciplines

Life Sciences | Medicine and Health Sciences

Abstract

The 9.5-kilobase plasmid of Yersinia pestis determines plasminogen activator, coagulase, pesticin, and pesticin immunity activities. We have mapped and cloned the loci encoding these activities and demonstrated that both plasminogen activator and coagulase were determined by the same gene, designated pla. The primary translation product of this gene (38 kilodaltons [kDa]) was processed in two sequential steps to produce peptides of 37 and 35 kDa. The first step in this processing occurred rapidly and probably cotranslationally and was blocked when protein export was inhibited. The second step was much slower and resulted in the presence of both the 37- and 35-kDa species in significant quantities. We also showed that the plasmid had a polA-dependent replicon and identified the region that contained its origin of replication and incompatibility functions.

Source

Infect Immun. 1988 Oct;56(10):2743-8.

Journal/Book/Conference Title

Infection and immunity

Related Resources

Link to Article in PubMed

PubMed ID

2843470

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