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  • Title: Cloning and sequence of ftsZ and flanking regions from the cyanobacterium Anabaena PCC 7120.
    Author: Doherty HM, Adams DG.
    Journal: Gene; 1995 Sep 22; 163(1):93-6. PubMed ID: 7557485.
    Abstract:
    Using degenerate oligodeoxyribonucleotide primers based on conserved regions of the cell-division protein FtsZ, a 220-bp fragment of DNA was amplified by the polymerase chain reaction from Anabaena PCC 7120 (Ana). This fragment, which showed significant homology with Escherichia coli ftsZ, was used as a probe to isolate a 15-kb genomic clone containing ftsZ from an Ana DNA library. Sequence analysis revealed an open reading frame (ORF) encoding a protein of 379 amino acids, with 49% identity with E. coli FtsZ. Upstream of Ana ftsZ is a small, unidentified ORF, transcribed in the same direction. An ORF lying downstream of the ftsZ coding region and transcribed in the opposite orientation, shows homology with bacterial glutathione synthetase-encoding genes. Single copies of ftsZ have been identified in Ana and two other cyanobacteria. Multiple transcripts hybridising to ftsZ were detected by Northern hybridisation.
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