2003 ISCB
Senior Scientist Achievement Award
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2003 SSAA
Recipient,
David Sankoff |
The ISCB will
present the first-ever ISCB Senior Scientist Accomplishment Award
to David Sankoff, Canada Research Chair in Mathematical Genomics
at the University of Ottawa and a member of the Centre de Recherches
Mathématiques at the Université de Montréal.
The prize will be awarded to Sankoff at ISMB2003, where he will
present a keynote lecture on July 2, 2003.
The Senior Scientist
Accomplishment Award recognizes members of the computational biology
community who are more than 12 to 15 years post-degree and have
made major contributions to the field of computational biology through
research, education, service, or a combination of the three. Over
the past 30 years, Sankoff formulated and contributed to many of
the fundamental problems in computational biology.
In sequence
comparison, he introduced the quadratic version of the Needleman-Wunsch
algorithm, developed the first statistical test for alignments,
initiated the study of the limit behavior of random sequences with
Vaclav Chvatal and described the multiple alignment problem, based
on minimum evolution over a phylogenetic tree. In the study of RNA
secondary structure, he developed algorithms based on general energy
functions for multiple loops and for simultaneous folding and alignment,
and performed the earliest studies of parametric folding and automated
phylogenetic filtering.
Sankoff and
Robert Cedergren collaborated on the first studies of the evolution
of the genetic code based on tRNA sequences. His contributions to
phylogenetics include early models for horizontal transfer, a general
approach for optimizing the nodes of a given tree, a method for
rapid bootstrap calculations, a generalization of the nearest neighbor
interchange heuristic, various constraint, consensus and supertree
problems, the computational complexity of several phylogeny problems
with William Day, and a general technique for phylogenetic invariants
with Vincent Ferretti. Over the last fifteen years he has focused
on the evolution of genomes as the result of chromosomal rearrangement
processes. Here he introduced the computational analysis of genomic
edit distances, including parametric versions, the distribution
of gene numbers in conserved segments in a random model with Joseph
Nadeau, phylogeny based on gene order with Mathieu Blanchette and
David Bryant, generalizations to include multi-gene families, including
algorithms for analyzing genome duplication and hybridization with
Nadia El-Mabrouk, and the statistical analysis of gene clusters
with Dannie Durand. Sankoff is also well known in linguistics for
his methods of studying grammatical variation and change in speech
communities, the quantification of discourse analysis and production
models of bilingual speech.
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