-
mutations of DNA
involves two
adjacent thymines or cytosine, which, in
presence of
ultraviolet light, may form
thymine dimers,
causing "kinks" in the DNA...
- (symbol dT or dThd), also
known as deoxythymidine, deoxyribosylthymine, or
thymine deoxyriboside, is a
pyrimidine deoxynucleoside.
Deoxythymidine is the DNA...
-
nucleotide bases found in DNA and RNA,
along with adenine, guanine, and
thymine (uracil in RNA). It is a
pyrimidine derivative, with a
heterocyclic aromatic...
-
resulting in
abnormal non-canonical base
pairing and, consequently,
adjacent thymines or
cytosines in DNA will form a
cyclobutane ring when
joined together and...
-
three types of
nucleobases are
pyrimidine derivatives:
cytosine (C),
thymine (T), and
uracil (U). The
pyrimidine ring
system has wide
occurrence in...
-
regulation that is
called epigenetics.
Methylated cytosines often mutate to
thymines. In humans,
about 70% of
promoters located near the
transcription start...
-
deoxyribonucleic acid (DNA). Five nucleobases—adenine (A),
cytosine (C),
guanine (G),
thymine (T), and
uracil (U)—are
called primary or canonical. They
function as the...
-
occur in
ancient DNA: with time,
methylated cytosines are
degraded into
thymines,
whereas unmethylated cytosines are
degraded into uracils. This asymmetry...
- nitrogen-containing
nucleobases (cytosine [C],
guanine [G],
adenine [A] or
thymine [T]), a
sugar called deoxyribose, and a
phosphate group. The nucleotides...
- bonds. In DNA, the
uracil nucleobase is
replaced by
thymine (T).
Uracil is a
demethylated form of
thymine.
Uracil is a
common and
naturally occurring pyrimidine...
