|Presented By||McGill University|
|Goal||Use gaming to determine Multiple Sequence Alignments.|
|Task||Play game to align sequences of DNA by moving puzzle pieces.|
|Where||Online only Phylo|
Phylo is a game in which participants align sequences of DNA by shifting and moving puzzle pieces. Your score depends on how you arrange these pieces. You will be competing against a computer and other players in the community.
Though it may appear to be just a game, Phylo is actually a framework for harnessing the computing power of mankind to solve a common problem -- Multiple Sequence Alignments.
A sequence alignment is a way of arranging the sequences of DNA, RNA or protein to identify regions of similarity. These similarities may be consequences of functional, structural, or evolutionary relationships between the sequences. From such an alignment, biologists may infer shared evolutionary origins, identify functionally important sites, and illustrate mutation events. More importantly, biologists can trace the source of certain genetic diseases.
Traditionally, multiple sequence alignment algorithms use computationally complex heuristics to align the sequences. Unfortunately, the use of heuristics do not guarantee global optimization as it would be prohibitively computationally expensive to achieve an optimal alignment. This is due in part to the sheer size of the genome, which consists of roughly three billion base pairs, and the increasing computational complexity resulting from each additional sequence in an alignment.
Humans have evolved to recognize patterns and solve visual problems efficiently. By abstracting multiple sequence alignment to manipulating patterns consisting of coloured shapes, we have adapted the problem to benefit from human capabilities. By taking data which has already been aligned by a heuristic algorithm, we allow the user to optimize where the algorithm may have failed.
As seen in Chapter 5 of Citizen Science by Caren Cooper.
|Ideal Age Group||Middle school (11 - 13 years), High school (14 - 17 years), College, Graduate students, Adults|
|Spend the Time||indoors|
|Type of Activity||Exclusively online, At home|
|Tags||biology, disease, dna, game, genetic, online, rwjf|
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