Abstract
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.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Chromosome Mapping / methods*
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Chromosomes, Artificial, Bacterial / genetics*
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Cloning, Molecular
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Clostridium tetani / genetics
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Contig Mapping / methods
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DNA, Bacterial / chemistry
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DNA, Bacterial / isolation & purification
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Genes, Bacterial
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Genomic Library*
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Genomics / methods*
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Molecular Sequence Data
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Nucleic Acid Hybridization / genetics
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Peptostreptococcus / genetics*
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Sequence Analysis, DNA
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Sequence Homology, Nucleic Acid
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Virulence Factors / genetics
Substances
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DNA, Bacterial
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Virulence Factors
Associated data
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GENBANK/AG266856
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