DNA Photoschäden: Untersuchungen zur Synthese, enzymatischen Erkennung und Reparatur
eBook - PDF

DNA Photoschäden: Untersuchungen zur Synthese, enzymatischen Erkennung und Reparatur

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  1. 212 pages
  2. English
  3. PDF
  4. Available on iOS & Android
eBook - PDF

DNA Photoschäden: Untersuchungen zur Synthese, enzymatischen Erkennung und Reparatur

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About this book

UV-Strahlung führt in der DNA zur Entstehung von Cyclobutanpyrimidindimeren (CPDs) und (6-4)-Photoschäden. Diese Schäden sind stark cytotoxisch, mutagen und wesentlich an der Entstehung von Hautkrebs beteiligt. Die Wechselwirkung dieser Schäden mit den wichtigsten DNA-abhängigen Prozessen in der Zelle, wie der Replikation, Transkription und DNA Reparatur, ist bisher nur in wenigen Fällen auf atomarer Ebene untersucht worden. Diese Arbeit umfasst mechanistische Untersuchungen zur reduktiven Reparatur dieser Photoschäden und ihrer Analoga in DNA Strängen, die von grundlegender Bedeutung für das Verständnis des reduktiven Elektronentransfers in DNA sind. Ein weiterer Teil der Arbeit beschäftigt sich mit Untersuchungen zur Erkennung des häufigsten Photoschädens, des Cyclobutanpyrimidin-dimers (CPD), durch Enzyme wie der CPD Photolyase oder der eukaryotische RNA Polymerase II. Außerdem wurden Arbeiten zur Synthese des (6-4)- Photoschädens und eines 15N-markierten Derivats durchgeführt, um den Reparaturmechanismus der (6-4)-Photolyase zu untersuchen.

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Information

Year
2007
Print ISBN
9783867272056
eBook ISBN
9783736922051
Edition
1

Table of contents

  1. Cover_Hennecke.jpg
  2. 9783867272056.pdf