Mapping Biomolecular Sequences: Graphical Representations - Their
Origins, Applications and Future Prospects

Ashesh      Nandy
doi:10.2174/1386207324666210510164743
Abstract

The exponential growth in the depositories of biological sequence data has generated an urgent need to store, retrieve and analyse the data efficiently and effectively for which the standard practice of using alignment procedures are not adequate due to high demand on computing resources and time. Graphical representation of sequences has become one of the most popular alignment-free strategies to analyse the biological sequences where each basic unit of the sequences – the bases adenine, cytosine, guanine and thymine for DNA/RNA, and the 20 amino acids for proteins – are plotted on a multi-dimensional grid. The resulting curve in 2D and 3D space and the implied graph in higher dimensions provide a perception of the underlying information of the sequences through visual inspection; numerical analyses, in geometrical or matrix terms, of the plots provide a measure of comparison between sequences and thus enable study of sequence hierarchies. The new approach has also enabled studies of comparisons of DNA sequences over many thousands of bases and provided new insights into the structure of the base compositions of DNA sequences. In this article we review in brief the origins and applications of graphical representations and highlight the future perspectives in this field.
Keywords: Graphical representation, DNA mapping, sequence descriptors, sequence visualization, sequence comparisons, base distribution, peptide vaccines, GRANCH techniques
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Graphical Abstract

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DOI https://dx.doi.org/10.2174/1386207324666210510164743	Print ISSN 1386-2073
Publisher Name Bentham Science Publisher	Online ISSN 1875-5402
Combinatorial Chemistry & High Throughput Screening

Mapping Biomolecular Sequences: Graphical Representations - Their Origins, Applications and Future Prospects

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