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Cytosine (/ˈsaɪtəˌsiːn, -ˌziːn, -ˌsɪn/) (symbol C or Cyt) is one of the four
nucleotide bases found in DNA and RNA,
along with adenine, guanine, and thymine...
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takes place:
adenine and
cytosine. The
modified bases are N6-methyladenine, 5-methylcytosine and N4-methylcytosine.
Cytosine methylation is widespread...
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reaction of
cytosine into uracil,
releasing ammonia in the process. This can
occur in
vitro through the use of bisulfite,
which deaminates cytosine, but not...
- The CpG
sites or CG
sites are
regions of DNA
where a
cytosine nucleotide is
followed by a
guanine nucleotide in the
linear sequence of
bases along its...
- Cytarabine, also
known as
cytosine arabinoside (ara-C), is a
chemotherapy medication used to
treat acute myeloid leukemia (AML),
acute lymphocytic leukemia...
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methylated form of the DNA base
cytosine (C) that
regulates gene
transcription and
takes several other biological roles. When
cytosine is methylated, the DNA maintains...
- GC-content (or guanine-
cytosine content) is the
percentage of
nitrogenous bases in a DNA or RNA
molecule that are
either guanine (G) or
cytosine (C). This measure...
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nucleotide is
composed of one of four nitrogen-containing
nucleobases (
cytosine [C],
guanine [G],
adenine [A] or
thymine [T]), a
sugar called deoxyribose...
- and RNA, the
others being adenine,
cytosine, and
thymine (uracil in RNA). In DNA,
guanine is
paired with
cytosine. The
guanine nucleoside is
called guanosine...
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mostly at CpG sites, to
convert cytosine to 5-methylcytosine. 5-Methylcytosine
performs much like a
regular cytosine,
pairing with a
guanine in double-stranded...
