منابع مشابه
Simultaneous measurements of DNA synthesis and DNA methylation in higher organisms.
Different ways for studying DNA synthesis and DNA methylation were investigated. On the one hand the reactions were measured by incorporation of several specific precursors, taking into ac count that pool alterations might influence the results. The best way to avoid this is the direct conversion of DNA cytosine to DNA 5-methyl-cytosine by using [14C]-cytidine. According to our results we prop...
متن کاملAutomatic identification of species-specific repetitive DNA sequences and their utilization for detecting microbial organisms
MOTIVATION The concentration of pathogen DNA in biological samples is often very low. Therefore, the sensitivity of diagnostic tests is always a critical factor. RESULTS We have developed a novel computational method that identifies species-specific repeats from microbial organisms and automatically designs species-specific PCR primers for these repeats. We tested the methodology on 30 random...
متن کاملHighly Repetitive Satellite DNA
DNA Sequence, Satellite DNA, Cucumis melo The primary sequence of the prominent Cucumis melo satellite DNA is presented. The cloned Hind Ill-repeat unit has a length of 352 bp and a GC-content of 56%. Within this sequence an inverted repeat of 9 bp, including a 286 bp loop, and one direct repeat are shown. Several open reading frames are possible following the sequence in both directions whose ...
متن کاملJunk 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...
متن کاملSilencing repetitive DNA
Some RNAs in mammalian cells can help to silence the DNA they are transcribed from.
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ژورنال
عنوان ژورنال: Progress in Biophysics and Molecular Biology
سال: 1971
ISSN: 0079-6107
DOI: 10.1016/0079-6107(71)90019-8