Plasmid pBP136 from Bordetella pertussis represents an ancestral form of IncP-1beta plasmids without accessory mobile elements.

Plasmid pBP136 from Bordetella pertussis represents an ancestral form of IncP-1beta plasmids without accessory mobile elements. Research Abstract Details 

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Plasmid pBP136 from Bordetella pertussis represents an ancestral form of IncP-1beta plasmids without accessory mobile elements. Abstract Text:

Kazunari Kamachi,Masahiro Sota,Yuji Tamai,Noriyo Nagata,Toshifumi Konda,Toshiro Inoue,Eva M Top,Yoshichika Arakawa,

The complete 41,268 bp nucleotide sequence of the IncP-1beta plasmid pBP136 from the human pathogen Bordetella pertussis, the primary aetiological agent of whooping cough, was determined and analysed. This plasmid carried a total of 46 ORFs: 44 ORFs corresponding to the genes in the conserved IncP-1beta backbone, and 2 ORFs similar to the XF1596 and XF1597 genes with unknown function of the plant pathogen Xylella fastidiosa. Interestingly, pBP136 had no accessory genes carrying genetic traits such as antibiotic or mercury resistance and/or xenobiotic degradation. Moreover, pBP136 had only two of the kle genes (kleAE) that have been reported to be important for the stability of IncP-1 plasmid in Pseudomonas aeruginosa. Phylogenetic analysis of the Kle proteins revealed that the KleA and KleE of pBP136 were phylogenetically distant from those of the present IncP-1 plasmids. In contrast, IncC1 and KorC, encoded upstream and downstream of the kle genes respectively, and the replication-initiation protein, TrfA, were closely related to those of the IncP-1beta 'R751 group'. These results suggest that (i) pBP136 without any apparent accessory genes diverged early from an ancestor of the present IncP-1beta plasmids, especially those of the R751 group, and (ii) the kle genes might be incorporated independently into the backbone region of the IncP-1 plasmids for their stable maintenance in various host cells.

Plasmid pBP136 from Bordetella pertussis represents an ancestral form of IncP-1beta plasmids without accessory mobile elements. Publishing Authors By Initials

K Kamachi,M Sota,Y Tamai,N Nagata,T Konda,T Inoue,EM Top,Y Arakawa,

For similar bacteria: gram-negative bacteria: gram-negative aerobic bacteria: gram-negative aerobic rods and cocci: xanthomonadaceae: xylella research abstracts see: bacteria: gram-negative bacteria: gram-negative aerobic bacteria: gram-negative aerobic rods and cocci: xanthomonadaceae: xylella research

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Plasmid pBP136 from Bordetella pertussis represents an ancestral form of IncP-1beta plasmids without accessory mobile elements. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Microbiology (Reading, England)

VOLUME: 152

Page Numbers: 3477-84

Journal Abbreviation: Microbiology (Reading, Engl.)

ISSN: 1350-0872

DAY: 3

MONTH: Dec

YEAR: 2006

Plasmid pBP136 from Bordetella pertussis represents an ancestral form of IncP-1beta plasmids without accessory mobile elements. Information

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LANGUAGE: eng

NlmUniqueID: 9430468

Plasmid pBP136 from Bordetella pertussis represents an ancestral form of IncP-1beta plasmids without accessory mobile elements. Keywords Mesh Terms:

KEYWORDS: Xylella

MESH TERMS: genetics

Chemical & Substance for Abstract: Plasmid pBP136 from Bordetella pertussis represents an ancestral form of IncP-1beta plasmids without accessory mobile elements. Information

Substance Name: DNA, Bacterial

Registry Number: 0

Grant and Affiliation Information for Plasmid pBP136 from Bordetella pertussis represents an ancestral form of IncP-1beta plasmids without accessory mobile elements.

AFFILIATION: Department of Bacterial Pathogenesis and Infection Control, National Institute of Infectious Diseases, Musashimurayma, Tokyo 208-0011, Japan. kamachi@nih.go.jp

Country: England

AGENCY: United States NCRR

GRANT: P20 RR 16448

ACRONYM: RR

MEDLINETA: Microbiology

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