Example sentences for: gyrase

How can you use “gyrase” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • These newly detected domains included the SUI1 domain, that is found in eIF1 and related proteins [ 78 ] , the third globular domain of DNA gyrase/Topoisomerase II and, most interestingly, a distinct globular domain in the yeast DDRP β' subunit (PDB: 1k83; region 1143-1271).

  • The sequence immediately flanking the dnaA gene is considered the origin of chromosomal replication, or oriC region [ 9 10 ] . This region contains several genes that encode proteins required for basic cellular functions, including the protein subunit of RNase P (RnpA), ribosomal protein L34 (RpmH), the replication initiator protein (DnaA), the beta subunit of DNA polymerase III (DnaN), the recombination repair protein RecF, and the DNA gyrase proteins GyrA and GyrB.

  • While novobiocin acts primarily as a DNA gyrase inhibitor, resistance is mediated by the concentration of phospholipids in the outer membrane, for which the cls gene (encoding cardiolipin synthase) is partly responsible [ 33 ] . Again, if selection had increased membrane permeability, sensitivity to novobiocin might have increased relative to the partially resistant ancestor.

  • The B-subunit of DNA polymerase is encoded by dnaN . The recF gene product is involved in recombination, DNA repair, and induction of the SOS response, and may also have a role in replication [ 17 ] . Bacterial DNA gyrase, a tetramer consisting of A and B subunits, catalyzes the ATP-dependent unwinding of covalently closed circular DNA [ 18 ] . The remaining predicted ORFs in this region have high similarity to hypothetical proteins from M. tuberculosis (Table 1).

  • Escherichia coli DNA topoisomerase I is a representative example of type IA DNA topoisomerase (for reviews, see refs [ 1 2 ] ). Its major biological role in the bacterial cell is the removal of excessive negative supercoils from DNA to maintain the DNA at optimal superhelical density along with DNA gyrase [ 3 ] . The enzyme has a molecular weight of 97 kDa and the active site tyrosine responsible for DNA cleavage is found in the 67 kDa N-terminal transesterification domain.


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