[Formation of pAS8-1213 cointegrate with one of the plasmids of Azospirillum brasilense Sp245]. 1989

V Iu Matveev, and L P Petrova, and E A Zhuravleva, and V I Panasenko

Inheritance of the plasmid vector pAS8-1213 in Azospirillum brasilense Sp245 cells has been studied. The plasmid pAS8-1213 is shown to be uncapable of autonomous replication in the new host but able to integrate into the genetic structures of Azospirillum with high frequency. 90-95% of KmR-transconjugants of A. brasilense harbor pAS8-1213 cointegrated with the smaller host plasmid pAbSP245c(85Md). The formed cointegrate can be transferred into Azospirillum spp. 75 and RecA- strains of E. coli (HB101 and DH1) and stably maintained in these cells. The IS21 element inherent of the plasmid pAS8-1213 is supposed to participate in pAS8-1213::pAbSP245c cointegrate formation.

UI MeSH Term Description Entries
D010957 Plasmids Extrachromosomal, usually CIRCULAR DNA molecules that are self-replicating and transferable from one organism to another. They are found in a variety of bacterial, archaeal, fungal, algal, and plant species. They are used in GENETIC ENGINEERING as CLONING VECTORS. Episomes,Episome,Plasmid
D005798 Genes, Bacterial The functional hereditary units of BACTERIA. Bacterial Gene,Bacterial Genes,Gene, Bacterial
D005822 Genetic Vectors DNA molecules capable of autonomous replication within a host cell and into which other DNA sequences can be inserted and thus amplified. Many are derived from PLASMIDS; BACTERIOPHAGES; or VIRUSES. They are used for transporting foreign genes into recipient cells. Genetic vectors possess a functional replicator site and contain GENETIC MARKERS to facilitate their selective recognition. Cloning Vectors,Shuttle Vectors,Vectors, Genetic,Cloning Vector,Genetic Vector,Shuttle Vector,Vector, Cloning,Vector, Genetic,Vector, Shuttle,Vectors, Cloning,Vectors, Shuttle
D015806 Azospirillum brasilense A species of motile, free-living, gram-negative bacteria that occur in the soil. They are aerobic or microaerophilic and are sometimes capable of nitrogen fixation. Azospirillum brasiliense,Roseomonas fauriae,Spirillum lipoferum

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