Efficient gene transfer of high copy number mibilizable plasmids containing a marine Rhodobacter origin of replication

J. Grant Burgess, Hiroaki Sudo, Koji Sode, Tadashi Matsunaga

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The replication region of pRD31, a 3.1-kb endogenous plasmid from a marine Rhodobacter species, has recently been localized and sequenced. We report here incorporation of this replicon into a narrow-host-range mobilizable pBR325 derivative. This has allowed us to establish an efficient conjugative gene transfer system for a hydrogen-producing marine species of Rhodobacter that is unable to grow aerobically. Efficient transfer was obtained (1.2×10-3 transconjugants per recipient cell), and hybrid plasmids replicated with a high copy number (>10) and good stability. Southern hybridization analysis indicated that the new vectors, pRDP203 and pRDP203s, were maintained in marine Rhodobacter sp. NKPB0021 as autonomous replicons without detrimental structural rearrangements, confirming their suitability for use as shuttle vectors.

Original languageEnglish
Pages (from-to)105-108
Number of pages4
JournalCurrent Microbiology
Volume26
Issue number2
DOIs
Publication statusPublished - 1993 Feb
Externally publishedYes

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Rhodobacter
Replication Origin
Replicon
Plasmids
Genes
Genetic Vectors
Hybrid Cells
Host Specificity
Hydrogen

ASJC Scopus subject areas

  • Microbiology

Cite this

Efficient gene transfer of high copy number mibilizable plasmids containing a marine Rhodobacter origin of replication. / Burgess, J. Grant; Sudo, Hiroaki; Sode, Koji; Matsunaga, Tadashi.

In: Current Microbiology, Vol. 26, No. 2, 02.1993, p. 105-108.

Research output: Contribution to journalArticle

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