Interspersion of repetitive with repetitive sequences in an amphibian, Rana berlandieri

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Interspersion of repetitive with repetitive sequences in an amphibian, Rana berlandieri.

When conventional genome arrangement analyses performed on R. berlandieri DNA at a normal (60 degrees C) and a high (75 degrees C) reassociation temperature were compared, an additional interspersion pattern was detected which indicates that different classes of repetitive sequences are closely interspersed with each other. Our results further suggest that the genomic abundance of purified (or ...

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eneral Interspersion of Repetitive with Non-repetitive Sequence Elements in the DNA of Xemggts

,The arrangement of repetitive and non-repetitive sequences was studied in the DNA of Xenopus. Labeled DNA sheared to various fragment lengths was reassociated to C,t 50 (SO’C, O-18 M-Na+) with excess 450 nucleotide fragments of unlabeled DNA, and binding of the labeled DNA to hydroxyapatite was measured. Repetitive sequences monitored in this way are present on about 45% of the 450 nucleotide ...

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Interspersion of repetitive and single-copy sequences in nuclear ribonucleic acid of high molecular weight.

Nuclear RNA of high molecular weight, approximately 15 to 30 x 10(3) nucleotides long, isolated from rat ascites cells, has been shown previously to contain both middle repetitive and single-copy sequences. However, it was not known whether these sequences were located on separate molecules or whether they were interspersed within the same molecule. The present communication distinguishes betwe...

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Aligning sequences with repetitive motifs

Pairwise sequence alignment is among the most intensively studied problems in computational biology. We present a method for alignment of two sequences containing repetitive motifs. This is motivated by biological studies of proteins with zinc finger domain, an important group of regulatory proteins. Due to their evolutionary history, sequences of these proteins contain a variable number of dif...

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Junk DNA - repetitive sequences

Eukaryote and also human DNA contains large portion of noncoding sequences. As for the coding DNA, the noncoding DNA may be unique or in more identical or similar copies. DNA sequences with high copy numbers are then called repetitive sequences. If the copies of a sequence motif lie adjacent to each other in a block, or an array, we are speaking about tandem repeats, the repetitive sequences di...

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ژورنال

عنوان ژورنال: Nucleic Acids Research

سال: 1980

ISSN: 0305-1048,1362-4962

DOI: 10.1093/nar/8.17.3875