Repeats

Alu Repeats: Source for the Genesis of Simple Sequence Repeats
Santosh S. Arcot[1], Hernan Bazan[2], Prescott L. Deininger[2] and Mark A. Batzer[1] ...
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The repeats cause the X to have a thread-like portion. It is called a fragile site because it breaks if cultured under certain conditions in the laboratory.
Translocation ...
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Tandem repeats
Multiple adjacent copies of the same sequence.
Tautomeric shift
A reversible change in the position of a hydrogen atom in a molecule which results in the conversion of the molecule between different isomers.
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Direct Repeats: Identical or related sequences present in two or more copies in the same orientation in the same molecule of DNA; they are not necessarily adjacent.
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Inverted repeats are commonly found in
The DNA to which transcription factors bind.
The DNA sequence shown above is that of the glucocorticoid response element where n represents any nucleotide. [Discussion] ...
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Interspersed repeats :
SINE (Short INterspersed Elements),
LINE (Long INterspersed Elements).
Categories: Repetitive DNA sequences ...
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Short, tandem repeats that are useful as genetic markers See also PCR Glossary.
Other Resources
PubMed Google ...
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The nucleosome repeats, with some variations and exceptions, roughly every 200 bp throughout eukaryotic chromatin. The nucleosome core particle shown in the figure consists of about 145 bp of dsDNA wrapped in 1.
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melanogaster histone gene unit is moderately repetitive DNA, is arranged in tandem repeats, and has products that are required in large amounts by all cells.
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Surprisingly, in addition to commonly accepted structures with a single, contiguous heptad repeat, we identified sequences with multiple, offset heptad repeats.
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These may be short repeats just a few nt long, like CACACA etc. They can also range up to a few hundred nt long. Examples of the latter include Alu repeats, LINEs, SINEs. The function of these elements is often unknown.
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Essentially, these VNTR's are small repeats of DNA sequence that exist in multiple copies, and the number of these repeats can vary.
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The structure is two inverted repeats separating one small single copy and one large single copy. This structure is very similar in most plants, the size varies between 120 and 160 kb.
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F-box proteins often include additional carboxy-terminal motifs capable of protein-protein interaction; the most common secondary motifs in yeast and human F-box proteins are WD repeats and leucine-rich repeats, ...
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See also variable-number-of-tandem-repeats (VNTR) locus.
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In mass production, each worker repeats one or a few related tasks that use the same tool to perform identical or almost identical operations on a stream of products. The exact tool and parts are always at hand.
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Within their characteristic long terminal repeats (LTRs), some retrotransposons encode retroviral-like proteins (e.g., gag, pol) for reverse transcriptase and integrase.
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pulse to specifications, the EA fires a pulse, measures the proportions of the resulting product molecules, randomly mutates the beam characteristics with the hope of getting these proportions closer to the desired output, and the process repeats.
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recapitulation. Summing up or repeating; hypothesis that an individual repeats its phylogenetic history in its development.
receptacle The expanded tip of a pedicel or peduncle to which the floral organs are attached.
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The simplest kind of a transposon, consisting of inserted repeats of DNA flanking a gene for transposase, the enzyme that catalyzes transposition.
insight learning ...
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Individuals who carry between 55 and 200 copies of the repeat, called a "premutation", may transmit a gene with a full mutation (
200 repeats) to their children, but are generally not affected by the full-blown fragile X syndrome themselves.
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Many organisms share same introns and types of repeats, which is remarkable since we know of no obvious functional reason why these components need to be so similar. These similarities can be explained by descent from a common ancestor.
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It may occur because a parent is a mosaic, and the child has the full mutation in all cells. Triplet repeat expansion may demonstrate anticipation when the number of repeats increases with each generation.
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The number of repeats varies between individuals and is used as a basis for genetic identification.
Western Blot Protein blot taken from an electrophoresis gel. Normally probed with a specific antibody.
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