Plasmid pDGO100 contains a second integron with the trimethoprim resistance gene dfrA7 as the inserted cassette

被引:11
作者
Burnside, JM [1 ]
Obbink, DJG [1 ]
机构
[1] ROYAL N SHORE HOSP,DEPT MICROBIOL,ST LEONARDS,NSW 2065,AUSTRALIA
关键词
D O I
10.1006/plas.1996.0008
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Southern hybridization analysis of the IncC plasmid pDGO100 showed that, in addition to the well-characterized integron In7, there is a second integron which is located on a 3.6-kb BamHI fragment. This integron also possesses the qacE Delta I and sulI genes typically found as part of the 3'-conserved segment of integrons. The 3.6-kb BamHI fragment, when cloned into pUC19 to form pDGO301, conferred resistance to trimethoprim as well as sulfamethoxazole. The DNA sequence of the trimethoprim resistance gene in pDGO301 was determined and it was shown that the gene was precisely inserted as a cassette in an integron with 100% identity to the trimethoprim resistance gene dfrA7. (C) 1996 Academic Press, Inc.
引用
收藏
页码:67 / 70
页数:4
相关论文
共 24 条
[1]   CHARACTERIZATION OF IN0 OF PSEUDOMONAS-AERUGINOSA PLASMID PVS1, AN ANCESTOR OF INTEGRONS OF MULTIRESISTANCE PLASMIDS AND TRANSPOSONS OF GRAM-NEGATIVE BACTERIA [J].
BISSONNETTE, L ;
ROY, PH .
JOURNAL OF BACTERIOLOGY, 1992, 174 (04) :1248-1257
[2]   NEW MOBILE GENE CASSETTES CONTAINING AN AMINOGLYCOSIDE RESISTANCE GENE, AACA7, AND A CHLORAMPHENICOL RESISTANCE GENE, CATB3, IN AN INTEGRON IN PBWH301 [J].
BUNNY, KL ;
HALL, RM ;
STOKES, HW .
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 1995, 39 (03) :686-693
[3]   NUCLEOTIDE-SEQUENCE OF THE AAD(2'') AMINOGLYCOSIDE ADENYLYLTRANSFERASE DETERMINANT AADB - EVOLUTIONARY RELATIONSHIP OF THIS REGION WITH THOSE SURROUNDING AADA IN R538-1 AND DHFRII IN R388 [J].
CAMERON, FH ;
OBBINK, DJG ;
ACKERMAN, VP ;
HALL, RM .
NUCLEIC ACIDS RESEARCH, 1986, 14 (21) :8625-8635
[4]   SITE-SPECIFIC INSERTION OF GENE CASSETTES INTO INTEGRONS [J].
COLLIS, CM ;
GRAMMATICOPOULOS, G ;
BRITON, J ;
STOKES, HW ;
HALL, RM .
MOLECULAR MICROBIOLOGY, 1993, 9 (01) :41-52
[5]   EXPRESSION OF ANTIBIOTIC-RESISTANCE GENES IN THE INTEGRATED CASSETTES OF INTEGRONS [J].
COLLIS, CM ;
HALL, RM .
ANTIMICROBIAL AGENTS AND CHEMOTHERAPY, 1995, 39 (01) :155-162
[6]   GENE CASSETTES FROM THE INSERT REGION OF INTEGRONS ARE EXCISED AS COVALENTLY CLOSED CIRCLES [J].
COLLIS, CM ;
HALL, RM .
MOLECULAR MICROBIOLOGY, 1992, 6 (19) :2875-2885
[7]   SITE-SPECIFIC DELETION AND REARRANGEMENT OF INTEGRON INSERT GENES CATALYZED BY THE INTEGRON DNA INTEGRASE [J].
COLLIS, CM ;
HALL, RM .
JOURNAL OF BACTERIOLOGY, 1992, 174 (05) :1574-1585
[9]   SITE-SPECIFIC INSERTION OF GENES INTO INTEGRONS - ROLE OF THE 59-BASE ELEMENT AND DETERMINATION OF THE RECOMBINATION CROSS-OVER POINT [J].
HALL, RM ;
BROOKES, DE ;
STOKES, HW .
MOLECULAR MICROBIOLOGY, 1991, 5 (08) :1941-1959
[10]   INTEGRONS FOUND IN DIFFERENT LOCATIONS HAVE IDENTICAL 5' ENDS BUT VARIABLE 3' ENDS [J].
HALL, RM ;
BROWN, HJ ;
BROOKES, DE ;
STOKES, HW .
JOURNAL OF BACTERIOLOGY, 1994, 176 (20) :6286-6294