Construction of new shuttle plasmid vectors for Escherichia coli-Bacteroides transgeneric cloning
نویسندگان
چکیده
منابع مشابه
Novel shuttle plasmid vehicles for Escherichia-Streptococcus transgeneric cloning.
A novel plasmid vector that is able to replicate both in Escherichia coli and in Streptococcus sanguis is described. This 9.2-kb plasmid, designated pVA856, carries Cmr, Tcr, and Emr determinants that are expressed in E. coli. Only the Emr determinant is expressed in S. sanguis. Both the Cmr and the Tcr of pVA856 may be insertionally inactivated. This plasmid affords several different cleavage-...
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A stable shuttle vector which replicates in Escherichia coli and Clostridium perfringens was constructed by ligating a 3.6-kilobase (kb) fragment of plasmid pBR322 with C. perfringens plasmid pHB101 (3.1 kb). The marker for this shuttle plasmid originated from the 1.3-kb chloramphenicol resistance gene of plasmid pHR106. The resulting shuttle vector, designated pAK201, is 8 kb in size and codes...
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We constructed a pair of Nocardia-Escherichia coli shuttle vectors, pNV18 and pNV19, by combining the mycobacterial plasmid pAL5000 with the E. coli vector pK18 or pK19. These vectors have a number of useful features, including small size (4.4 kb), a multiple cloning site, and blue/white selection. To our knowledge, pNV18 and pNV19 are the first cloning vectors for practical use in Nocardia spp.
متن کاملConstruction of shuttle vectors capable of conjugative transfer from Escherichia coli to nitrogen-fixing filamentous cyanobacteria.
Wild-type cyanobacteria of the genus Anabaena are capable of oxygenic photosynthesis, differentiation of cells called heterocysts at semiregular intervals along the cyanobacterial filaments, and aerobic nitrogen fixation by the heterocysts. To foster analysis of the physiological processes characteristic of these cyanobacteria, we have constructed a family of shuttle vectors capable of replicat...
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ژورنال
عنوان ژورنال: FEMS Microbiology Letters
سال: 1988
ISSN: 0378-1097
DOI: 10.1016/0378-1097(88)90144-9