Sequence determination and analysis of three plasmids of Pseudomonas sp. GLE121, a psychrophile isolated from surface ice of Ecology Glacier (Antarctica)

•Antarctic, strictly psychrophilic Pseudomonas sp. GLE121 carries three plasmids.•Plasmids pGLE121P1 and pGLE121P2 represent the IncP-9 and IncP-7 groups, respectively.•Plasmid pGLE121P3 carries a predicted conjugal transfer system.•Plasmid pGLE121P3 carries a rulAB operon, possibly responsible for UV tolerance.•The plasmids may participate in horizontal gene transfer in the Antarctic environment.