Inducción térmica del inicio de la replicación cromosómica en Escherichia coli
A shift-up of ten or more degrees in the growth temperature of an Escherichia coli culture causes induction of extra rounds of chromosome replication. This heat-induced replication (HIR) initiates at oriC, is transitory, requires RNase H1 and RecA and requires neither RNA polymerase activity nor de...
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| Formato: | text (thesis) |
| Lenguaje: | spa |
| Publicado: |
Universidad de Extremadura (España)
1994
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| Acceso en línea: | https://dialnet.unirioja.es/servlet/oaites?codigo=603 |
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| Sumario: | A shift-up of ten or more degrees in the growth temperature of an
Escherichia coli culture causes induction of extra rounds of chromosome
replication. This heat-induced replication (HIR) initiates at oriC, is transitory,
requires RNase H1 and RecA and requires neither RNA polymerase activity
nor de novo protein synthesis. HIR is neither related to SDR nor induced by
the heat shock response. A thermodynamic alteration of oriC structure or of
membrane fluidity could explain the observed HIR. |
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