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James D. Tisdall 

James Tisdall has worked as a musician, as a programmer and Member of Technical Staff at Bell Labs (where he programmed for speech research and discovered a formal language for musical rhythm), as a programmer and systems manager at the Human Genome Project in the Computational Biology and Informatics Laboratory (where he began using Perl for bioinformatics in 1991 with his program DNA WorkBench), as computational biologist at Mercator Genetics in Menlo Park, Calif., (where his Perl programs helped discover the gene involved in the common hereditary disease hemochromatosis), as manager of bioinformatics at the Fox Chase Cancer Center in Philadelphia, and most recently as a consultant for Biocomputing Associates of Kimberton, Penn., and the Burke Medical Research Institute affiliated with Cornell University, working on neuronal development. James has written two books for O'Reilly: Mastering Perl for Bioinformatics and Beginning Perl for Bioinformatics.


A Chromosome at a Time with Perl, Part 2
In this second article about using Perl in the bioinformatics realm, James Tisdall, author of Mastering Perl for Bioinformatics, continues his discussion about how references can greatly speed up a subroutine call by avoiding making copies of very large strings. He also shows how to bypass the overhead of subroutine calls entirely and how to quantify the behavior of your code by measuring its speed and space usage. [Oct 15, 2003]

A Chromosome at a Time with Perl, Part 1
If you're a Perl programmer working in the field of bioinformatics, James Tisdall offers a handful of tricks that will enable you to write code for dealing with large amounts of biological sequence data--in this case, very long strings--while still getting satisfactory speed from the program. James is the author of O'Reilly's upcoming Mastering Perl for Bioinformatics.  [Sep 11, 2003]

Beginning Bioinformatics
James Tisdall's new book is great for biochemists eager to get into the bioinformatics world, but what about us Perl programmers? In this article, we turn the tables, and ask what your average Perl programmer needs to know to get into this exciting new growth area. [Jan 2, 2002]

Parsing Protein Domains with Perl
James Tisdall, author of O'Reilly's Beginning Perl for Bioinformatics, shows biologists how to program in Perl using biological data, with downloadable code examples.  [Nov 16, 2001]

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