Toward structural and functional genomics of Agrobacterium tumefaciens: linkage map of the left region of linear chromosome.
Genome of A. tumefaciens contains a linear and a circular chromosome. As an initial step of elucidating the structural and functional genomics of this bacterium, linkage map of the left region of its linear chromosome was constructed. Total genomic libraries of A. tumefaciens MAFF301001 were constructed in BAC vectors namely, pFOS1 and pBeloBAC11. Upon construction of sub-libraries, minimum overlapping clones needed to cover the left region was determined. So far, four contigs have been assembled with a total of 19 overlapping clones. Detailed EcoRI physical map of contig III was constructed and it covers a 110 kb region of the Pme5 fragment of the linear chromosome. Seven end regions of the linking clones were partially sequenced but no gene existence was determined due to low homology.
De Costa
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DM
Department of Biological Science, Graduate School of Science, Hiroshima University, Higashi-Hiroshima 739-8526, Japan.
Suzuki
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Yoshida
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D016960:Agrobacterium tumefaciens / Q000235:genetics*; D002874:Chromosome Mapping; D022202:Chromosomes, Artificial, Bacterial / Q000235:genetics; D002876:Chromosomes, Bacterial / Q000235:genetics*; D004269:DNA, Bacterial / Q000235:genetics; D015698:Genomic Library; D023281:Genomics
D004269:DNA, Bacterial