Gene discovery and transcript analyses in the corn smut pathogen Ustilago maydis: expressed sequence tag and genome sequence comparison

Table 3 Categories of Alternate Splicing Detected

Category	Occurrences
Intron Retention – Single EST	38
Intron Retention – Multiple ESTs	32
Intron Retention – Processed	44
SubTotal	114
Alternate Donor Site	23
Alternate Acceptor Site	44
Exon Skipping	12
Total ¹	193

While the number of alternatively spliced PGLs that could be unambiguously characterized was 142, many of these were subject to more than one splicing event and, in this tabulation, each splicing event was counted.

ISSN: 1471-2164