Table 6.

Summary of Insertions and Introns Unique to One Species

11189total inserts of length >32
6845 C. elegansinserts
4344 C. briggsaeinserts
10686inserts in regions of weak homology
503inserts in regions of strong homology
4644inserts in intergenic regions
4517inserts in intron regions
1508inserts in coding regions
518inserts with one end in an intron and the other in  an exon
2inserts with one end in a gene and one end  intergenic
301inserts with GT…AG ends in regions of strong  homology
362inserts in coding regions with strong homology
170introns unique to C. elegans
93introns unique to C. briggsae
263total introns unique to either species

[i] An intron unique to one species is defined here as an insert of length >32 in a highly conserved coding region that aligns optimally with GT … AG ends.