Open AccessDistribution of reverse gyrase in representative species of eubacteria and archaebacteria
Author(s) -
Collin R.G.,
Morgan H.W.,
Musgrave D.R.,
Daniel R.M.
Publication year - 1988
Publication title -
fems microbiology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.899
H-Index - 151
eISSN - 1574-6968
pISSN - 0378-1097
DOI - 10.1111/j.1574-6968.1988.tb13940.x
Subject(s) - dna gyrase , thermophile , dna supercoil , biology , plasmid , genetics , dna , bacteria , microbiology and biotechnology , gene , escherichia coli , dna replication
Reverse gyrase is a topoisomerase which positively supercoils closed circular plasmid DNA. Reverse gyrase activity is restricted to the thermoacidophilic group of archaebacteria. Thermophilic methanogens and eubacteria and all mesophilic organisms screened had no reverse gyrase activity. The result supports the deep phylogenetic divergence in archaebacterial evolution.