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Chapter 2 - University of British Columbia

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Figure 2.1<br />

R<br />

-Segmentation<br />

-Statistical analysis<br />

RMySQL<br />

MySQL<br />

-Data storage<br />

-Querying<br />

SIGMA 2<br />

JGR / JRI<br />

JDBC<br />

Java<br />

-User interface<br />

-Visualization<br />

34<br />

Link to<br />

external<br />

resources<br />

Biological Databases<br />

• PubMed<br />

• OMIM<br />

• NCBI Gene<br />

• UCSC Genome Browser<br />

• GEO Pr<strong>of</strong>iles<br />

• Database <strong>of</strong> Genomic Variants<br />

Figure 2.1. Main structural components <strong>of</strong> SIGMA2. Data and genome mapping information<br />

is stored in the MySQL database. Segmentation analysis using DNACopy and<br />

GLAD and statistical analysis is performed using R, with results stored in database. Java<br />

was used to program the application, specifically for the user interface and the different<br />

types <strong>of</strong> visualization. Base-pair positions and gene annotations are linked to other biological<br />

databases to facilitate further interrogation by the user.

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