Physical map of the Bacillus subtilis 166 genome: Evidence for the inversion of an approximately 1900 kb continuous DNA segment, the translocation of an approximately 100 kb segment and the duplication of a 5 kb segment

Mitsuhiro Itaya

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

An I-CeuI-NotI-SfiI endonuclease map of the Bacillus subtilis 166 genome was constructed. It was almost identical to that of B. subtilis 168 except for the inversion of an approximately 1900 kb DNA segment, the translocation of an approximately 100 kb segment and the duplication of a 5 kb segment. Continuity of the inverted segment was investigated by direct measurement of the distances between the two genomic loci where I-SceI recognition sites were created in the 168 and the 166 genomes. Size difference of the I-SceI fragments between the two strains fully demonstrated the inversion of an approximately 1900 kb long 'continuous' DNA segment and the 'location' of the two inversion junctions in the genome. The 100 kb DNA segment including the lysogenic SPβ prophage was translocated close to one of the inversion junctions and was probably associated with the duplication of a 5 kb segment. These rearrangements are consistent with those indicated by genetic analyses.

Original languageEnglish
Pages (from-to)3723-3732
Number of pages10
JournalMicrobiology
Volume143
Issue number12
Publication statusPublished - 1997 Dec
Externally publishedYes

Fingerprint

Bacillus subtilis
Genome
DNA
Prophages

Keywords

  • Bacillus subtilis
  • I-SceI
  • Inversion
  • Physical map
  • Translocation

ASJC Scopus subject areas

  • Microbiology

Cite this

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N2 - An I-CeuI-NotI-SfiI endonuclease map of the Bacillus subtilis 166 genome was constructed. It was almost identical to that of B. subtilis 168 except for the inversion of an approximately 1900 kb DNA segment, the translocation of an approximately 100 kb segment and the duplication of a 5 kb segment. Continuity of the inverted segment was investigated by direct measurement of the distances between the two genomic loci where I-SceI recognition sites were created in the 168 and the 166 genomes. Size difference of the I-SceI fragments between the two strains fully demonstrated the inversion of an approximately 1900 kb long 'continuous' DNA segment and the 'location' of the two inversion junctions in the genome. The 100 kb DNA segment including the lysogenic SPβ prophage was translocated close to one of the inversion junctions and was probably associated with the duplication of a 5 kb segment. These rearrangements are consistent with those indicated by genetic analyses.

AB - An I-CeuI-NotI-SfiI endonuclease map of the Bacillus subtilis 166 genome was constructed. It was almost identical to that of B. subtilis 168 except for the inversion of an approximately 1900 kb DNA segment, the translocation of an approximately 100 kb segment and the duplication of a 5 kb segment. Continuity of the inverted segment was investigated by direct measurement of the distances between the two genomic loci where I-SceI recognition sites were created in the 168 and the 166 genomes. Size difference of the I-SceI fragments between the two strains fully demonstrated the inversion of an approximately 1900 kb long 'continuous' DNA segment and the 'location' of the two inversion junctions in the genome. The 100 kb DNA segment including the lysogenic SPβ prophage was translocated close to one of the inversion junctions and was probably associated with the duplication of a 5 kb segment. These rearrangements are consistent with those indicated by genetic analyses.

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