hyperthermophile;
archaebacteria;
DNA topology;
DNA topoisomerases;
plasmid supercoiling;
DNA supercoiling;
cold-shock;
reverse gyrase;
D O I:
10.1111/j.1574-6968.1996.tb08403.x
中图分类号:
Q93 [微生物学];
学科分类号:
071005 ;
100705 ;
摘要:
Topology of the plasmid pGT5 from the hyperthermophilic archaeon Pyrococcus abyssi has been studied as a function of growth phase and temperature. Plasmids isolated from cells in mid-exponential or stationary phases had similar linking number (Lk), whilst plasmids isolated from cells grown al 95 degrees C had a higher Lk than those isolated from cells grown at 80 degrees C. A significant reduction of Lk was observed when cells cultivated at 95 degrees C were slowly cooled at room temperature.
机构:
Univ Fed Rio de Janeiro, Inst Quim, Programa Posgrad Bioquim, BR-21941909 Rio De Janeiro, RJ, Brazil
CSIC, Inst Catalisis, Dept Biocatalisis, E-28049 Madrid, SpainUniv Fed Rio de Janeiro, Inst Quim, Programa Posgrad Bioquim, BR-21941909 Rio De Janeiro, RJ, Brazil
Branco, Roberta V.
Gutarra, Melissa L. E.
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h-index: 0
机构:
CSIC, Inst Catalisis, Dept Biocatalisis, E-28049 Madrid, Spain
Univ Fed Rio de Janeiro, Escola Quim, Dept Engn Bioquim, BR-21949909 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Inst Quim, Programa Posgrad Bioquim, BR-21941909 Rio De Janeiro, RJ, Brazil
Gutarra, Melissa L. E.
Guisan, Jose M.
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机构:
CSIC, Inst Catalisis, Dept Biocatalisis, E-28049 Madrid, SpainUniv Fed Rio de Janeiro, Inst Quim, Programa Posgrad Bioquim, BR-21941909 Rio De Janeiro, RJ, Brazil
Guisan, Jose M.
Freire, Denise M. G.
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h-index: 0
机构:
Univ Fed Rio de Janeiro, Inst Quim, Programa Posgrad Bioquim, BR-21941909 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Inst Quim, Programa Posgrad Bioquim, BR-21941909 Rio De Janeiro, RJ, Brazil
Freire, Denise M. G.
Almeida, Rodrigo V.
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h-index: 0
机构:
Univ Fed Rio de Janeiro, Inst Quim, Programa Posgrad Bioquim, BR-21941909 Rio De Janeiro, RJ, BrazilUniv Fed Rio de Janeiro, Inst Quim, Programa Posgrad Bioquim, BR-21941909 Rio De Janeiro, RJ, Brazil
Almeida, Rodrigo V.
Palomo, Jose M.
论文数: 0引用数: 0
h-index: 0
机构:
CSIC, Inst Catalisis, Dept Biocatalisis, E-28049 Madrid, SpainUniv Fed Rio de Janeiro, Inst Quim, Programa Posgrad Bioquim, BR-21941909 Rio De Janeiro, RJ, Brazil