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Study of single stranded DNA by biophysical techniques
Svoboda, Jakub ; Schneider, Bohdan (advisor) ; Novák, Petr (referee)
DNA is the fundamental functional molecule of all domains of life. One of its characteristics is the ability to self-associate to form a double stranded helix. Nevertheless, even single stranded DNA can form non-canonical structures such as hairpins, triplexes or tetraplexes. One of the interesting single stranded sequences are REP elements. These sequences form a part of bacterial transposable elements, so-called insertion sequences, which can be found in a great number of copies in wide range of bacterial species. This thesis studies structure and properties of selected REP sequences. It presents the results of spectral measurements by technique of circular dichroism, melting curves from differential scanning calorimetry, and monocrystal diffraction data. Key words Single-stranded DNA, crystallography, circular dichroism, calorimetry, transpozone, REP elements, insertion sequences.
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