Sequence analysis of the plasmid pRR12 from the rumen bacterium Prevotella ruminicola 223/M2/7 and the use of pRR12 in Prevotella/Bacteroides shuttle vectors

D K Mercer, S Patel, H J Flint

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

pRRI2 is a small cryptic plasmid from the rumen bacterium Prevotella ruminicola 223/M2/7 which has been used for the construction of shuttle vectors (pRH3 and pRRI207) that replicate in many Bacteroides/Prevotella strains as well as in Escherichia coli. Sequence analysis of pRRI2 reveals that it is a 3240-bp plasmid carrying two clear open reading frames. Rep. encoded by ORF1. shows 48 and 47% amino acid sequence identity with RepA proteins from Bacteroides vulgatus and Bacteroides fragilis. respectively. ORF2, named Pre, shares 34% amino acid sequence identity with a putative plasmid recombination protein from the Flavobacterium spp. plasmid pFL1 and 30% amino acid sequence identity with BmpH from B. fragilis Tn5520. Disruption of ORF1 with HindIII prevents repli cation and maintenance in Bacteroides spp. hosts, but shuttle vectors carrying pRRI2 interrupted within ORP2. by EcoRI*, are able to replicate. pRRI2 shows no significant similarity with the only other P. ruminicola plasmid to have been studied previously, pRAM4. (C) 2001 Academic Press.

Original languageEnglish
Pages (from-to)227-232
Number of pages6
JournalPlasmid
Volume45
Issue number3
DOIs
Publication statusPublished - May 2001

Keywords

  • Prevotella ruminicola
  • shuttle vector
  • cryptic plasmid
  • rumen
  • Rep
  • Pre
  • SMALL CRYPTIC PLASMID
  • BACTEROIDES-RUMINICOLA
  • ESCHERICHIA-COLI
  • TETRACYCLINE RESISTANCE
  • GENETIC DIVERSITY
  • MOBILIZATION
  • CLONING
  • CONSTRUCTION
  • REPLICATION
  • UNIFORMIS

Cite this

Sequence analysis of the plasmid pRR12 from the rumen bacterium Prevotella ruminicola 223/M2/7 and the use of pRR12 in Prevotella/Bacteroides shuttle vectors. / Mercer, D K ; Patel, S ; Flint, H J .

In: Plasmid, Vol. 45, No. 3, 05.2001, p. 227-232.

Research output: Contribution to journalArticle

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abstract = "pRRI2 is a small cryptic plasmid from the rumen bacterium Prevotella ruminicola 223/M2/7 which has been used for the construction of shuttle vectors (pRH3 and pRRI207) that replicate in many Bacteroides/Prevotella strains as well as in Escherichia coli. Sequence analysis of pRRI2 reveals that it is a 3240-bp plasmid carrying two clear open reading frames. Rep. encoded by ORF1. shows 48 and 47{\%} amino acid sequence identity with RepA proteins from Bacteroides vulgatus and Bacteroides fragilis. respectively. ORF2, named Pre, shares 34{\%} amino acid sequence identity with a putative plasmid recombination protein from the Flavobacterium spp. plasmid pFL1 and 30{\%} amino acid sequence identity with BmpH from B. fragilis Tn5520. Disruption of ORF1 with HindIII prevents repli cation and maintenance in Bacteroides spp. hosts, but shuttle vectors carrying pRRI2 interrupted within ORP2. by EcoRI*, are able to replicate. pRRI2 shows no significant similarity with the only other P. ruminicola plasmid to have been studied previously, pRAM4. (C) 2001 Academic Press.",
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