Genome-wide determination of poly(A) sites in Medicago truncatula: evolutionary conservation of alternative poly(A) site choice

Table 1 Statistics of the sequencing data from M. truncatula

Processing stage	Tag#
Raw tags	17,850,997
Poly(T) tags¹	14,164,786
Mapped Poly(T) tags²	4,972,758
Paired poly(T) tags³ (internal priming excluded)	2,714,942

¹The tags that started with a stretch of Ts.
²The tags that started with a stretch of Ts and could be mapped uniquely to the genome.
³The mapped Poly(T) tags whose paired-end partners could be mapped uniquely to the genome.

ISSN: 1471-2164