'Blast algorithm' presentation slideshows

BLAST ( B asic L ocal A lignment S earch T ool)

BLAST ( B asic L ocal A lignment S earch T ool). In addition to the exact word, BLAST considers related words based on BLOSUM62: the neighborhood . Once a word is aligned, gapped and un-gapped extensions are initiated, tallying the cumulative score

1.82k views • 115 slides

Similarity-based Classifiers: Problems and Solutions

Similarity-based Classifiers: Problems and Solutions. Classifying based on similarities :. Van Gogh. Monet. Van Gogh Or Monet ?. the Similarity-based Classification Problem. (paintings). (painter). the Similarity-based Classification Problem.

749 views • 74 slides

Database Searching

Database Searching. BLAST and FastA. Database Homology Searching. Use algorithms to increase efficiency and provide a mathematical basis for searching which can be translated into statistical significance Assumes that sequence, structure and function are interrelated.

729 views • 58 slides

Biology 224 Tom Peavy Feb 14 & 19

BLAST : Basic local alignment search tool. Biology 224 Tom Peavy Feb 14 & 19. Slides derived from Bioinformatics and Functional Genomics by Jonathan Pevsner>. BLAST. BLAST (Basic Local Alignment Search Tool) allows rapid sequence comparison of a query sequence against a database.

630 views • 50 slides

6.096 Algorithms for Computational Biology Lecture 2 BLAST & Database Search

6.096 Algorithms for Computational Biology Lecture 2 BLAST & Database Search. Manolis. Piotr Indyk. 1. 3. 2. Gene Finding. Sequence alignment. Database lookup. In Previous Lecture. DNA. BLAST and Database Search. Setup The BLAST algorithm BLAST extensions Substitutions matrices

675 views • 50 slides

Biology 224 Tom Peavy Feb 14 & 19

BLAST : Basic local alignment search tool. Biology 224 Tom Peavy Feb 14 & 19. Slides derived from Bioinformatics and Functional Genomics by Jonathan Pevsner>. BLAST. BLAST (Basic Local Alignment Search Tool) allows rapid sequence comparison of a query sequence against a database.

621 views • 50 slides

BLAST

676 views • 48 slides

Computational method on biochemistry

Computational method on biochemistry. ???. ??. Protein Structure and Dynamics Bioinformatics Comparative modeling Other method. Protein structure and dynamics. Time scale in biological phenomena Newtonian mechanics Force field CHARMM AMBER Energy minimization Molecular Dynamics

617 views • 45 slides

Sequence Database Searching (Basic Tools and Advanced Methods)

592 views • 38 slides

Basic Local Alignment Search Tool (BLAST)

Basic Local Alignment Search Tool (BLAST). BLAST. In bioinformatics, B asic L ocal A lignment S earch T ool, or BLAST: is an algorithm for comparing primary biological sequence information, such as the amino-acid sequences of different proteins or the nucleotides of DNA sequences.

542 views • 38 slides

Lecture 4 Sequence alignment and searching

Lecture 4 Sequence alignment and searching. Sequence alignment. What is the purpose of sequence alignment?. Identification of homology and homologous sites in related sequences Inference of evolutionary history that lead to the differences in observed sequences.

799 views • 37 slides

Lecture 2: Sequence Alignment BMI/IBGP 705

Lecture 2: Sequence Alignment BMI/IBGP 705. Kun Huang Department of Biomedical Informatics Ohio State University. Major issues in genomics Homology Alignment as an optimization problem Dynamical programming BLAST Tools and examples (in the lab session). Charles Darwin

468 views • 36 slides

Searching Sequence Databases

Algorithms for Bioinformatics. Searching Sequence Databases. Database Searching. How can we find a particular short sequence in a database of sequences (or one HUGE sequence)? Problem is identical to local sequence alignment, but on a much larger scale.

305 views • 19 slides

BLAST

BLAST. Introduction to Bioinformatics Anthony Nguyen. BLAST - why?. Sequence alignments provide a powerful way to compare novel sequences with previously characterized genes. Both functional and evolutionary information can be inferred from well designed queries and alignments. BLAST - what?.

449 views • 13 slides

Searching Sequence Databases

219 views • 8 slides

Searching Sequence Databases

178 views • 8 slides