Figure 2

The SyMAP close-up view shows the false joining of contigs caused by clone contamination. Contig 10 from the Phase I assembly matched two rice regions that were separated by over 35 Mb on rice chromosome 1 (Chr1). Solid vertical lines represent BAC clones. Dots at the ends of solid vertical lines represent BESs generated for the corresponding BAC clones. Empty dot represents BES with no significant match to the rice genome. The dots connected by lines indicate that the BESs have matches in the corresponding orthologous positions in the rice genome. Filled dots with no connecting lines indicate BESs with matches to rice sequences located in different regions of the rice genome. Two cross-contaminated clones that caused false joining of the two clusters are indicated by arrows (not part of the SyMAP display).