Genetic and physical map of broad host range cosmid pRG930cm
نویسندگان
چکیده
منابع مشابه
Construction of a broad host range cosmid cloning vector and its use in the genetic analysis of Rhizobium mutants.
We have constructed a cosmid derivative of the low copy-number broad host-range cloning vector pRK290 (Ditta et al., 1980) by inserting a 1.6-kb Bg/II fragment containing lambda cos into the unique Bg/II site in pRK290. The new vector, pLAFR1, is 21.6 kb long, confers tetracycline resistance, contains a unique EcoRI site, and can be mobilized into and stably replicates within many Gram-negative...
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Methylotrophic bacteria able to grow on one-carbon compounds, such as methanol and monomethylamine, as sole carbon sources have received considerable attention because of their potential commercial applications, including the production of single-cell protein, amino acids, pyrroloquinoline quinone, and poly-3-hydroxybutyrate. The utility of methylotrophs should be increased by the use of recomb...
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Astroviruses are a diverse family of viruses that infect a wide range of mammalian and avian hosts. Here we describe the phylogenetic diversity and current classification methodology of astroviruses based on the ORF1b and ORF2 genes, highlighting the propensity of astroviruses to undergo interspecies transmission and genetic recombination which greatly increase diversity and complicate attempts...
متن کاملStructural, molecular, and genetic analysis of the kilA operon of broad-host-range plasmid RK2.
The kil loci (kilA, kilB, kilC, and kilE) of incompatibility group P (IncP), broad-host-range plasmid RK2 were originally detected by their potential lethality to Escherichia coli host cells. Expression of the kil determinants is controlled by different combinations of kor functions (korA, korB, korC, and korE). This system of regulated genes, known as the kil-kor regulon, includes trfA, which ...
متن کاملAdaptive plasmid evolution results in host-range expansion of a broad-host-range plasmid.
Little is known about the range of hosts in which broad-host-range (BHR) plasmids can persist in the absence of selection for plasmid-encoded traits, and whether this "long-term host range" can evolve over time. Previously, the BHR multidrug resistance plasmid pB10 was shown to be highly unstable in Stenotrophomonas maltophilia P21 and Pseudomonas putida H2. To investigate whether this plasmid ...
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ژورنال
عنوان ژورنال: Electronic Journal of Biotechnology
سال: 2009
ISSN: 0717-3458,0717-3458
DOI: 10.2225/vol12-issue2-fulltext-5