Haemophilus ducreyi Strain ATCC 27722 Contains a Genetic Element with Homology to the Vibrio RS1 Element That Can Replicate as a Plasmid and Confer NAD Independence on Haemophilus influenzae

Author:

Munson Robert S.1,Zhong Huachun1,Mungur Rachna1,Ray William C.1,Shea Robin J.2,Mahairas Gregory G.3,Mulks Martha H.2

Affiliation:

1. Division of Molecular Medicine, Children's Research Institute, and Department of Pediatrics, The Ohio State University, Columbus, Ohio

2. The Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan

3. The Institute for Systems Biology, Seattle, Washington

Abstract

ABSTRACT The nucleotide sequence of pNAD1, a plasmid from Haemophilus ducreyi identified on the basis of its ability to confer NAD independence on Actinobacillus pleuropneumoniae and H. influenzae , has been determined. In addition to containing the nadV gene, the plasmid contains homologues of the rstR and rstA genes, genes encoding repressor and replication proteins, respectively, in the Vibrio CTXφ and the Vibrio RS1 element, suggesting a single-stranded bacteriophage origin for pNAD1. Tandem copies of the plasmid are integrated into the H. ducreyi 35000HP genome.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Immunology,Microbiology,Parasitology

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1. Haemophilus;Bergey's Manual of Systematics of Archaea and Bacteria;2021-03-31

2. β-nicotinamide mononucleotide (NMN) production in Escherichia coli;Scientific Reports;2018-08-16

3. Regulation of Sirtuins by Systemic NAD + Biosynthesis;Introductory Review on Sirtuins in Biology, Aging, and Disease;2018

4. Vibrio Phage KVP40 Encodes a Functional NAD + Salvage Pathway;Journal of Bacteriology;2017-05

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