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16 Δεκ 2002 · Uracil in DNA results from deamination of cytosine, resulting in mutagenic U : G mispairs, and misincorporation of dUMP, which gives a less harmful U : A pair. At least four different human...
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10 Αυγ 2020 · Uracil may arise in DNA as a result of spontaneous cytosine deamination and/or misincorporation of dUMP during DNA replication. In this paper we will review: (i) sources of the origin of uracil in DNA; (ii) some properties of the enzymes responsible for the excision of uracil and their role in the I ….
9 Σεπ 2008 · Among the potential sources of DNA damage, uracil misincorporation into DNA and its removal by base excision repair (BER) has been the most commonly presumed source.
16 Ιαν 2023 · Although thymine and uracil are similar in function and can form the same base pairs with adenine, the presence of uracil in DNA can affect DNA stability and modulate cell-specific functions. Without repair mechanisms to remove uracil from DNA, cytosine deamination can occur, resulting in gene drift that is not tolerable in organisms.
1 Δεκ 2010 · Uracil existing in DNA may arise as a result of spontaneous deamination of cytosine (leading to U:G mispairing) or from incorporation of dUMP during replication in place of dTMP leading to U:A pairing.
Uracil in DNA results from deamination of cytosine, resulting in mutagenic U:G mispairs, and misincorpora-tion of dUMP, which gives a less harmful U:A pair. At
16 Δεκ 2002 · Uracil in DNA results from deamination of cytosine, resulting in mutagenic U : G mispairs, and misincorporation of dUMP, which gives a less harmful U : A pair. At least four different human DNA glycosylases may remove uracil and thus generate an abasic site, which is itself cytotoxic and potentially mutagenic.
