179x Filetype PPTX File size 1.10 MB Source: fenyolab.org
Multiple Alignment Stuart M. Brown NYU School of Medicine Learning Objectives Understand the need for multiple alignment methods in biology Optimal methods (dynamic programming) are not practical to align many sequences Progressive pairwise approach Profile alignments Editing alignments Sequence Logos Reasons for aligning sets of sequences Organize data to reflect sequence homology Estimate evolutionary distance Infer phylogenetic trees from homologous sites Highlight conserved sites/regions (motifs) Highlight variable sites/regions Uncover changes in gene structure Look for evidence of selection Summarize information Pairwise Alignment The alignment of two sequences (DNA or protein) is a relatively straightforward computational problem. The best solution seems to be an approach called Dynamic Programming.
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