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Исследование ингибирования стрептолидигином транскрипции на уровне Ð¾Ð´Ð¸Ð½Ð¾Ñ‡Ð½Ñ‹Ñ Ð¼Ð¾Ð»ÐµÐºÑƒÐ»

выпускная квалификационная работа бакалавра

Исследование ингибирования стрептолидигином транскрипции на уровне Ð¾Ð´Ð¸Ð½Ð¾Ñ‡Ð½Ñ‹Ñ Ð¼Ð¾Ð»ÐµÐºÑƒÐ»

Abstract

Транскрипция — процесс синтеза РНК по матрице ДНК, первый шаг, необходимый для реализации экспрессии генов. Для изучения динамики данного процесса используются различные методы, включая одномолекулярные, одним из которых является метод акустической силовой спектроскопии (АСС). Данная работа посвящена изучению влияния антибиотика стрептолидигина на процесс элонгации транскрипции с использованием этого метода. В результате проведенных исследований показано, что мгновенная скорость транскрипции не зависит от наличия стрептолидигина, в то время как среднее значение скорости заметно уменьшается из-за возникающих в его присутствии единичных продолжительных пауз.

Acoustic force spectroscopy is a novel technique which allows to apply force and manipulate by microscopic biological objects. Recently this method was employed for studying transcription elongation at the single-molecule level. Streptolydigin is an antibiotic that targets bacterial transcription by blocking folding of the trigger loop in the active center of RNA polymerase. Here the acoustic force spectroscopy technique is used to characterize the transcription elongation dynamics and RNAP inhibition by streptolydigin at the single-molecule level.

Keywords

elongation, одномолекулярные методы, транскрипция, элонгация транскрипции, акустическая силовая спектроскопия, streptolydigin, single-molecular methods, backtracking, acoustic force spectroscopy, RNA polymerase, РНК-полимераза, transcription, стрептолидигин, бэктрэкинг

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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