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Bacterial artificial chromosome library of Finegoldia magna ATCC 29328 for genetic mapping and comparative genomics



Bacterial artificial chromosome library of Finegoldia magna ATCC 29328 for genetic mapping and comparative genomics



Microbiology and Immunology 47(12): 1005-1016



We constructed a bacterial artificial chromosome (BAC) library of Finegoldia magna ATCC 29328 DNA to facilitate further genome analysis of F. magna. The BAC library contained 385 clones with an average insert size of 55 kb, representing a 10.1-fold genomic coverage. Repeated DNA hybridization using primer sets designed on the basis of BAC-end sequences yielded nine contigs covering 95% of the chromosome and two contigs covering 98 % of the plasmid. The contigs were localized on the physical map of F. magna ATCC 29328 DNA. A total of 121 BAC-end sequences revealed 103 unique genes, which had not been previously reported for F. magna. The homolog ORF of albumin-binding protein (urPAB), one of the known virulence factors from F. magna, was sequenced and localized on the physical map. Homology analysis of 121 BAC-end sequences revealed that F. magna is most closely related to clostridia, particularly Clostridium tetani. This close relationship is consistent with the recent classification of peptostreptococci based on 16S rRNA sequence analysis. The BAC library constructed here will be useful for the whole genome sequencing project and other postgenomic applications.

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Accession: 011797051

Download citation: RISBibTeXText

PMID: 14695451

DOI: 10.1111/j.1348-0421.2003.tb03461.x


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